Clears the status data structures, the device-defined error queue, and the Request-for-OPC flag. If it immediately follows a program message terminator, the output queue and MAV bit are also cleared.

Sets the bits in the Standard Event Status Enable Register. A 1 enables the corresponding bit in the Standard Event Status Register; a 0 disables it.

Queries the contents of the Standard Event Status Register. Reading the register returns the total bit weights of all bits that are high and clears the register.

Identifies the instrument type and software version.

Returns the current state of the instrument as a valid command string that can be used to restore instrument settings later. The returned string contains ":SYST:SET " before the IEEE 488.2 binary block setup data.

Sets the operation complete bit in the Standard Event Status Register when all pending device operations have finished.

Reports the options installed in the instrument. The query returns a string identifying the module and its software revision level.

Restores the state of the instrument from the specified save/recall register.

Places the instrument in a known factory-default state. This is the same as pressing [Save/Recall] > Default/Erase > Factory Default on the front panel.

myScope.WriteString "*RST" ' Reset the oscilloscope to the defaults.

Stores the current state of the instrument in a save register. The value specifies which register the data will be saved in.

Sets the Service Request Enable Register mask. A one in the mask enables the corresponding bit in the Status Byte Register; a zero disables it.

Returns the current value of the instrument's status byte. The MSS bit is reported on bit 6 instead of the RQS bit.

*STB?

Triggers a digitize operation. It has the same effect as the :DIGitize command with no parameters.

Performs a self-test on the instrument and places the result in the output queue. A zero indicates the test passed; a non-zero value indicates failure.

Waits to continue execution of subsequent commands. The oscilloscope does not implement any function for *WAI, but it is parsed for compatibility with other instruments.

Reads the Arm Event Register and then clears it. A value of 1 indicates the trigger system is armed and ready to accept a trigger.

Evaluates input signals and automatically sets display conditions, like pressing the front-panel Auto Scale key. If one or more sources are specified, those channels are enabled and all others blanked before autoscale is performed.

:AUToscale
myScope.WriteString ":AUToscale" ' Same as pressing Auto Scale key.

Specifies the acquisition mode used by subsequent :AUToscale operations. The query returns the current autoscale acquire mode setting.

Specifies which channels will be displayed on subsequent :AUToscales. All channels that meet the autoscale requirements are displayed when ALL is selected; only channels that are turned on are autoscaled when DISPlayed is selected.

Turns fast debug auto scaling on or off. The Fast Debug option changes the behavior of :AUToscale to make quick visual comparisons for determining whether the probed signal is a DC voltage, ground, or an active AC signal.

Turns off the specified channel, math function, or serial decode bus. With no parameter, it turns off all sources.

Causes the instrument to acquire waveforms according to the :ACQuire settings and then stop. If no source is given, it acquires the currently displayed channels, or all channels if none are displayed.

myScope.WriteString ":DIGitize CHANnel1"

Sets the Mask Test Event Enable register with a 16-bit integer mask. Setting selected bits enables corresponding mask test event conditions and may generate an SRQ.

Returns the integer value contained in the Mask Test Event Event Register and clears the register.

Sets a 15-bit mask in the Operation Status Enable register. Setting selected bits enables bit 7 in the Status Byte Register and may generate an SRQ.

Returns the integer value contained in the Operation Status Condition Register.

Returns the integer value contained in the Operation Status Event Register.

Sets the overload enable mask in the Overload Event Enable Register and enables reporting of the Overload Event Register. If enabled, an overload event sets bit 11 in the Operation Status Register.

Returns the overload protection value stored in the Overload Event Register (OVLR). A value of 1 indicates an overload has occurred.

Formats the output according to the currently selected print device and options. If an option is not specified, the value selected in the Print Config menu is used.

Pulls image data back over the bus for storage. It is an obsolete compatibility query and is not a core command.

Starts repetitive acquisitions. This is the same as pressing the Run key on the front panel.

myScope.WriteString ":RUN" ' Start data acquisition.

Returns the serial number of the instrument.

Causes the instrument to acquire a single trigger of data. This is the same as pressing the Single key on the front panel.

Reports whether the specified source is displayed. The source may be a channel, function, serial decode bus, memory waveform, or EXT source; MATH is an alias for FUNCtion.

Stops the acquisition. This is the same as pressing the Stop key on the front panel.

Reads the Trigger Event Register. After the register is read, it is cleared; 1 indicates a trigger has occurred and 0 indicates it has not.

Turns on the specified channel, function, or serial decode bus. MATH is an alias for FUNCtion, and EXT is available on 2-channel oscilloscopes only.

:VIEW CHANnel1

Includes or excludes the selected bit as part of the definition for the selected bus. The suffix <m> specifies the analog channel affected by the command.

myScope.WriteString ":ABUS:BIT1 ON"

Includes or excludes selected bits in the channel list for the definition of the analog bus. The query returns the current bus bit definition.

myScope.WriteString ":ABUS:BITS (@0,2), ON"
myScope.WriteString ":ABUS:BITS (@0:2), ON"

Excludes all of the analog channels from the selected bus definition.

Enables or disables the view of the selected bus. The query returns the display value of the selected bus.

Sets the bus label to a quoted string. Labels are 10 characters or less; longer labels are truncated. The query returns the specified bus name.

myScope.WriteString ":ABUS:LABel 'Data'"

Defines the bits included and excluded in the selected bus according to a mask. Set a mask bit to 1 to include that bit in the selected bus, and 0 to exclude it.

Specifies the minimum completion criteria for an acquisition and affects the operation of :DIGitize. The only legal value is 100, meaning all time buckets must contain data before the acquisition is considered complete.

myScope.WriteString ":ACQuire:COMPlete 100"

Sets the number of values to be averaged for each time bucket in averaging mode. When :ACQuire:TYPE is set to AVERage, the count can be set from 2 to 65536; the :ACQuire:COUNt 1 command is deprecated.

Sets the oscilloscope acquisition mode. RTIMe selects real time mode; SEGMented selects segmented memory mode.

Returns the number of data points that the hardware will acquire from the input signal. The number of points acquired is not directly controllable; use :WAVeform:POINts to set the number of points transferred from the oscilloscope.

Calculates measurement statistics and/or infinite persistence over all acquired segments. The oscilloscope must be stopped and in segmented acquisition mode, with either quick measurements or infinite persistence on.

Sets the number of memory segments to acquire. Segmented memory acquisition mode is enabled with :ACQuire:MODE, and acquisition is performed using :DIGitize, :SINGle, or :RUN.

Sets the index into the acquired segmented memory segments. The query returns the current segmented memory index setting.

:ACQuire:SEGMented:INDex 25
:ACQuire:SEGMented:INDex?

Returns the current oscilloscope acquisition sample rate. The sample rate is not directly controllable.

Selects the oscilloscope acquisition type. The query returns the current acquisition type.

:ACQuire:TYPE NORMal
myScope.WriteString ":ACQuire:TYPE NORMal"

Returns the date of the last calibration.

Saves a calibration label string in the instrument's non-volatile memory. The label can be used to record calibration dates or other information.

Sets the signal available on the Gen Out BNC for oscilloscopes with a built-in waveform generator. The query returns the current Gen Out BNC signal selection.

Returns the rear-panel calibration protect (CAL PROTECT) button state. "PROTected" indicates calibration is disabled, and "UNPRotected" indicates calibration is enabled.

Starts the user calibration procedure.

Returns the summary results of the last user calibration procedure.

Returns the change in temperature since the last user calibration procedure.

Returns the time of the last calibration.

Sets the channel bandwidth limit and turns on bandwidth limiting. The oscilloscope accepts any requested limit but uses the only available limit, 25 MHz.

Controls an internal low-pass filter for the specified channel. When enabled, the channel bandwidth is limited to approximately 25 MHz.

Selects the input coupling for the specified channel. The coupling for each analog channel can be set to AC or DC.

Turns the display of the specified channel on or off. The query returns the current display setting for the specified channel.

Selects the input impedance setting for the specified analog channel. The only legal value is ONEMeg (1 Ma9).

Selects whether to invert the input signal for the specified channel. The inversion state may be set to ON (inverted) or OFF (not inverted).

Sets the analog channel label to the specified quoted ASCII string. Labels are limited to 10 characters; longer labels are truncated and lowercase letters are converted to uppercase.

myScope.WriteString ":CHANnel1:LABel ""CAL 1""" ' Label ch1 "CAL 1".
myScope.WriteString ":CHANnel2:LABel ""CAL2""" ' Label ch1 "CAL2".

Sets the vertical offset value represented at center screen for the selected channel. Legal values depend on :CHANnel<n>:RANGe, :CHANnel<n>:SCALe, and probe attenuation; out-of-range values are adjusted to the nearest legal value.

Sets the probe attenuation factor for the selected channel. The factor may be 0.1 to 10000, and obsolete attenuation values X1, X10, X20, and X100 are also supported.

myScope.WriteString ":CHANnel1:PROBe 10" ' Set Probe to 10:1.

Sets the analog channel probe head type and dB value for the selected channel. This command is valid only for the 113xA Series probes.

Returns the type of probe attached to the specified oscilloscope channel.

Sets the channel-to-channel probe skew factor for the specified analog channel. The skew can be adjusted from -100 ns to +100 ns to remove cable-delay errors between channels.

Sets the channel probe signal type to differential or single-ended for 113xA Series probes and affects how offset is applied. The query returns the current probe signal type for the selected channel.

Sets or clears the channel protection state for analog channel <n>. On these oscilloscopes the command does nothing because the analog input impedance is always 1 MΩ, and the query always returns NORM.

Defines the full-scale vertical axis of the selected channel. For 1:1 probe attenuation, legal range values are from 8 mV to 40 V, and the entered range is multiplied by the probe attenuation factor if probe attenuation changes.

:CHANnel1:RANGe 8

Sets the vertical scale, or units per division, of the selected channel. If the probe attenuation is changed, the scale value is multiplied by the probe's attenuation factor.

Sets the measurement units for the connected probe on the specified channel. Measurement results, channel sensitivity, and trigger level reflect the selected units.

Specifies whether the channel's vernier (fine vertical adjustment) setting is on or off. The query returns the current state of the channel's vernier setting.

Selects the input impedance setting for the specified channel. This command is obsolete and provided for compatibility with previous oscilloscopes; use :CHANnel<n>:IMPedance instead.

Sets or queries the probe sense mode for the specified channel. The setting is obsolete and provided for compatibility; the mode cannot actually be changed, and the query returns whether an autosense probe is attached.

Selects the type of demo signal output on the demo terminal. The query returns the currently selected demo signal type.

Sets whether the demo signal output is ON or OFF.

Turns annotation on or off. When on, the annotation appears in the upper left corner of the oscilloscope display and can be used for documentation purposes.

Specifies the background mode for annotations. The query returns the currently specified annotation background mode.

Specifies the annotation color. You can choose white, red, or colors that match analog channels, digital channels, math waveforms, reference waveforms, or markers.

Specifies the annotation text displayed on the oscilloscope screen. The string may be up to 254 characters and can be cleared by sending an empty quoted string.

:DISPlay:ANNotation:TEXT <string>
:DISPlay:ANNotation:TEXT?

Clears the display and resets all associated measurements. If the oscilloscope is stopped, all currently displayed data is erased; if it is running, data for active channels and functions is erased and new data appears on the next acquisition.

Reads screen image data from the display. The image can be returned in BMP, BMP8bit, or PNG format, with color or grayscale palette selection; default is BMP, COLOR.

:DISPlay:DATA? BMP, COLOR

Sets the waveform intensity, the same as adjusting the front panel Intensity knob.

Turns the analog channel labels on and off. The query returns the display mode of the analog channel labels.

myScope.WriteString ":DISPlay:LABel ON" ' Turn on labels.

Adds labels to the display label list. Labels are added in alphabetical order, and duplicate labels are not added.

Sets the softkey menu timeout period. OFF and MAX are equivalent.

Sets the display persistence setting. You can choose zero persistence, infinite persistence, or a variable persistence time in seconds.

Enables or disables transparent mode for DVM, mask test statistics, and waveform memory readouts in the front panel graphical user interface. The query returns the current transparent setting.

Turns display vectors on or off. When enabled, lines are drawn between acquired data points on the screen.

Turns vectors on and off, controlling whether the oscilloscope displays lines connecting sampled data points or only the sampled data. This obsolete command is provided for compatibility with previous oscilloscopes; use :DISPlay:VECTors instead.

Turns the digital voltmeter's Auto Range capability on or off for the selected DVM source channel when that channel is not used in oscilloscope triggering. When enabled, the channel's vertical scale, vertical position, and trigger level are automatically adjusted; when disabled, the channel can be adjusted normally.

Returns the displayed 3-digit DVM value based on the current mode. After DVM analysis is enabled, it may take a few seconds before the query returns a good value instead of +9.9E+37.

Turns the digital voltmeter (DVM) analysis feature on or off.

Returns the displayed 5-digit frequency value shown below the main DVM value. If the DVM FREQuency mode requirements are not met, the query returns 9.9E+37.

Sets the digital voltmeter (DVM) mode. The frequency mode requires EDGE or GLITch trigger mode, and the DVM source and trigger source must be the same analog channel.

Sets the analog channel on which DVM measurements are made. The selected channel does not have to be displayed for DVM measurements to be made.

Sets the external trigger bandwidth limit. This command is provided for product compatibility; the only legal value is 0 or OFF. The related :TRIGger:HFReject command is used to limit bandwidth on the external trigger input.

Sets the external trigger input display setting. On InfiniiVision DSOX1204A/G oscilloscopes, the command can be set to OFF only.

Sets the external trigger input's label. Labels are quoted ASCII strings up to 10 characters; longer labels are truncated and lowercase characters are converted to uppercase.

Sets the external trigger input threshold voltage level. The query returns the current external trigger input threshold voltage setting.

Sets the external trigger input waveform's vertical position on the oscilloscope display. The base of the displayed waveform can be positioned from -3.5 divisions to 2.5 divisions; on InfiniiVision DSOX1204A/G oscilloscopes it can be set to zero only.

Specifies the probe attenuation factor for the external trigger. The setting affects trigger scaling references, not the oscilloscope input sensitivity.

Sets the external trigger input signal range. For DSOX1200-Series oscilloscopes the range is 1.6 V or 8 V with a 1:1 probe; for EDUX1000-Series oscilloscopes it is 8 V with a 1:1 probe and cannot be changed.

Sets the measurement units for the probe connected to the external trigger input. Select VOLT for a voltage probe and AMPere for a current probe; measurement results, channel sensitivity, and trigger level reflect the selected units.

Obsolete compatibility command related to external probe sense mode. The mode is internally controlled and cannot be set; if the sent value matches the oscilloscope setting, the command is accepted, otherwise a setting conflict error is generated.

Sets the FFT center frequency when FFT is selected. The query returns the current center frequency in Hertz.

Turns the FFT function display on or off. When ON, the FFT function is calculated and displayed; when OFF, it is neither calculated nor displayed.

Sets the FFT vertical value represented at center screen. If the specified value is outside the legal range, it is adjusted to the nearest legal value. This command is equivalent to :FFT:REFerence.

Defines the full-scale vertical axis value for the FFT function.

Specifies the FFT vertical value represented at center screen. If the level is set outside the legal range, it is automatically adjusted to the nearest legal value.

Sets the vertical scale, or units per division, of the FFT function. Legal values depend on the selected function.

Selects the source for the FFT function.

Sets the frequency span of the display when FFT is selected. The query returns the current frequency span in Hertz.

Specifies the FFT vertical units. The query returns the current FFT vertical units.

Selects the FFT windowing transform used for the FFT function. The default window is HANNing.

:FFT:WINDow HANNing

Returns the frequency response analysis data. The data is returned in four comma-separated columns for each step in the sweep: Frequency (Hz), Amplitude (Vpp), Gain (dB), and Phase (°).

Turns the Frequency Response Analysis (FRA) feature on or off. The query returns a flag indicating whether FRA is on or off.

Selects the frequency response analysis mode, either swept frequency response analysis or single-frequency analysis. The single mode is available only through the remote programming interface.

Sets the single frequency value.

Sets the frequency sweep start value. The query returns the frequency sweep start setting.

Sets the frequency sweep stop value. The query returns the frequency sweep stop setting.

Performs the Frequency Response Analysis by sweeping a sine wave across a frequency range and measuring gain and phase of the DUT. :FRANalysis:APPLy is a valid compatible alias.

Specifies the analog input channel used to probe the input voltage to the DUT in the frequency response analysis. The query returns the currently selected input channel.

Specifies the analog input channel that is probing the output voltage from the DUT in the frequency response analysis. The query returns the currently selected channel.

Sets the total number of points in the frequency response analysis sweep. The query returns the current number of points setting.

Specifies whether to include gain, phase, both, or neither in the frequency response analysis results. It affects the oscilloscope front panel graphical user interface and saved analysis data.

Selects the expected output load impedance used by the waveform generator to display correct amplitude and offset levels. The actual Gen Out BNC output impedance is fixed at 50 ohms.

Specifies the waveform generator's output sine wave amplitude. Use :WGEN:VOLTage:OFFSet to specify the offset voltage or DC level, or :WGEN:VOLTage:HIGH and :WGEN:VOLTage:LOW to set amplitude and offset indirectly.

Specifies the number of points per decade in the frequency response analysis. This command is deprecated; use :FRANalysis:SWEep:POINts instead.

Turns function display on or off. When ON, the function is performed using the other FUNCtion commands; when OFF, the function is neither calculated nor displayed.

Sets the FFT center frequency when FFT is selected. The query returns the current center frequency in Hertz.

Sets the reference point for calculating the FFT Phase function to either the trigger point or the beginning of the displayed waveform. The query returns the selected reference point.

Sets the FFT display frequency span from left graticule to right graticule. The current span can be queried in Hertz.

Specifies the FFT vertical units. The allowed units depend on whether the FFT magnitude or FFTPhase operation is selected.

Selects the FFT windowing transform used for the :FUNCtion[:FFT] operation. The HANNing window is the default.

Sets the low-pass filter's -3 dB cutoff frequency. The low-pass filter is a 4th order Bessel-Thompson filter.

Sets the math operation for the g(t) source used as the input to the FFT function. The available operations are ADD, SUBTract, and MULTiply.

Selects the first input channel for the g(t) source used as input to the FFT function.

Selects the second input channel for the g(t) source used as the input to the FFT function.

Sets the voltage or vertical value represented at center screen for the selected function. Values outside the legal range are automatically set to the nearest legal value; this command is equivalent to :FUNCtion:REFerence.

Sets the desired waveform math operation for the selected function. Supported operations are ADD, SUBTract, MULTiply, DIVide, FFT, FFTPhase, and LOWPass.

Defines the full-scale vertical axis for the selected function. The query returns the current full-scale range value for the selected function.

Sets the reference level (voltage or vertical value) represented at center screen for the selected function. The command is equivalent to :FUNCtion:OFFSet; values outside the legal range are rounded to the nearest legal value.

Sets the vertical scale, or units per division, of the selected function. Legal values depend on the selected function.

Selects the first source for function operations, including channel math operations and FFT. For FFT, GOFT is only available and specifies a g(t) source used with :FUNCtion:GOFT:OPERation, :FUNCtion:GOFT:SOURce1, and :FUNCtion:GOFT:SOURce2.

:FUNCtion:SOURce1 <value>
:FUNCtion:SOURce1?

Specifies the second source for math operations that have two sources, such as ADD, SUBTract, or MULTiply. The setting is not used when :FUNCtion:OPERation is FFT.

Selects the source for function operations when an FFT operation is selected. This obsolete command is provided for compatibility with previous oscilloscopes; use :FUNCtion:SOURce1 instead.

Turns the selected function on or off. When ON, the function is calculated and displayed; when OFF, it is neither calculated nor displayed.

Controls what part of the display area is printed. Currently, the only legal choice is SCReen.

Sets the active printer. The query returns the name of the active printer.

Controls whether the scale factors are output on the hardcopy dump.

Controls whether a formfeed is output between the screen image and factors of a hardcopy dump.

Controls whether the graticule colors are inverted or not.

Sets the hardcopy layout mode. The query returns the selected hardcopy layout mode.

Sets the address for a network printer slot. The address is entered as a quoted ASCII string in an IP-address or print-server path format.

Applies the network printer settings and makes the printer connection.

Selects the network printer slot used for the address and apply commands. Two slots are available.

Sets the hardcopy palette color. The COLOR option is not available when connected to laser printers.

Returns a list of available printers. The list may be empty.

Starts a print job.

Sets the hardcopy destination. This obsolete command is provided for compatibility with previous oscilloscopes; use :HARDcopy:FILename instead.

Sets the output filename for print formats whose output is a file. This is an obsolete compatibility command; use :SAVE:FILename or :RECall:FILename instead.

Controls whether grayscaling is performed in the hardcopy dump. This obsolete command is provided for compatibility; use :HARDcopy:PALette instead.

Controls whether the graticule colors are inverted. This obsolete command is provided for compatibility with previous oscilloscopes; use :HARDcopy:INKSaver instead.

Sets the hardcopy printer driver used for the selected printer. This command is obsolete and provided only for compatibility; use :HARDcopy:APRinter instead.

Returns the lister data.

Turns the serial bus Lister display on or off. Serial bus decode must be on before it can be displayed in the Lister.

Selects whether the time value for a Lister row is relative to the trigger or the previous Lister row. The query returns the current Lister time reference setting.

:LISTer:REFerence <time_ref>
:LISTer:REFerence?

Sets the cursors mode. OFF removes cursor information from the display; MANual enables manual cursor placement; MEASurement makes cursors track the most recent measurement; WAVeform makes the Y cursors track waveform values at the X cursors.

Sets the X1 cursor position to the specified value. It also sets :MARKer:MODE to MANual if the mode is not currently WAVeform; cursor units are set by :MARKer:XUNits.

Sets the source for the cursors. If the marker mode is not currently WAVeform, sending this command puts the cursors in MANual mode and also sets the source for the other marker pair.

Sets the X2 cursor position to the specified value and switches :MARKer:MODE to MANual if it is not currently WAVeform. The X cursor units are set by :MARKer:XUNits.

Sets the source for the cursors. If the marker mode is not currently WAVeform, sending this command puts the cursors in MANual mode; if the mode is WAVeform, X2Y2source can be set separately from X1Y1source.

Returns the value difference between the current X1 and X2 cursor positions. Xdelta is calculated as the value at X2 minus the value at X1, using the X units set by :MARKer:XUNits.

Sets the X cursors units. Changing X units affects the input and output values of :MARKer:X1Position, :MARKer:X2Position, and :MARKer:XDELta commands/queries.

Sets the current X1 location as 0 degrees and the current X2 location as 360 degrees when :MARKer:XUNits is set to DEGRees. When :MARKer:XUNits is set to PERCent, it sets X1 to 0 percent and X2 to 100 percent; subsequent X1/X2/Delta positions are relative to these set locations.

Sets or queries the Y1 cursor position. When :MARKer:MODE is not WAVeform, setting this command forces :MARKer:MODE to MANual and updates the Y1 cursor position; the query returns the current Y1 cursor position.

Sets the Y2 cursor position in NR3 format and, if marker mode is not WAVeform, forces :MARKer:MODE to MANual. The query returns the current Y2 cursor position.

Returns the value difference between the current Y1 and Y2 cursor positions, computed as Y2 minus Y1. The value is returned in the Y cursor units set by :MARKer:YUNits.

Sets the Y cursor units. BASE uses the units associated with the cursor source, and PERCent uses ratio measurements.

When :MARKer:YUNits is set to PERCent, this command sets the current Y1 location as 0 percent and the current Y2 location as 100 percent. After the percent locations are set, inputs to and outputs from :MARKer:Y1Position, :MARKer:Y2Position, and :MARKer:YDELta are relative to those locations.

Installs a Snapshot All measurement on the screen.

Installs a screen measurement and starts the bit rate measurement. If the optional source parameter is specified, the currently specified source is modified.

Clears all selected measurements and markers from the screen.

Installs a counter measurement and starts counting trigger-level crossings for the selected source. If an optional source is specified, it changes the current source; the source may be any channel except Math or EXTernal.

Sets up the definition for measurements by specifying delay edge specifications or threshold values. Changing these values may affect the results of other measurement commands.

Places the instrument in continuous measurement mode and starts a delay measurement between two selected sources. The query measures and returns the delay using the user-defined edge and threshold settings from :MEASure:DEFine, while the non-query version runs in auto-edge select mode.

Installs a screen measurement and starts a duty cycle measurement on the current :MEASure:SOURce. If an optional source is specified, it also changes the current source.

Installs a screen measurement and starts a fall-time measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts a frequency measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts a negative duty cycle measurement on the current :MEASure:SOURce. If an optional source is specified, it becomes the current source.

Installs a falling edge count measurement on screen. If no source is specified, the current source is measured; the command is not available if the source is FFT.

Installs a falling pulse count measurement on screen. If the optional source is not specified, the current source is measured; the command is not available if the source is FFT.

Installs a screen measurement and starts a negative pulse width measurement. If the optional source parameter is omitted, the current source is modified.

:MEASure:NWIDth [<source>]
:MEASure:NWIDth? [<source>]

Installs a screen overshoot measurement and starts measuring overshoot. If an optional source is specified, the current source is modified. The command is not available if the source is FFT.

Installs a rising edge count measurement on screen. If the optional source is not specified, the current source is measured.

Installs a screen period measurement and starts the period measurement. If an optional source is specified, the current source is modified.

Places the instrument in continuous measurement mode and starts a phase measurement. The query measures and returns the phase between the specified sources, calculated from delay and period.

Installs a rising pulse count measurement on screen. If no source is specified, the current source is measured; the command is not available if the source is FFT.

:MEASure:PPULses? [<source>]

Installs a screen measurement and starts a preshoot measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts the positive pulse width measurement. If an optional source is specified, the current source is modified.

Returns the results of the continuously displayed measurements as a comma-separated list of values. If more than one continuous measurement is running, the results are duplicated in left-to-right display order.

:MEASure:RESults?

Installs a screen measurement and starts a rise-time measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts standard deviation measurement; if an optional source is specified, the current source is modified. The query measures and outputs the standard deviation of the selected waveform.

Enables markers for tracking measurements on the display. This feature is always on.

Sets the default source selections used by MEASure subsystem commands when sources are not explicitly specified. If a source is specified for any measurement, the current source is changed to that value.

:MEASure:SOURCE CHANNEL1

Determines the type of information returned by the :MEASure:RESults? query. ON means all statistics are on.

:MEASure:STATistics?

Disables or enables the display of the measurement statistics.

Updates the statistics once by incrementing the count by one using the current measurement values. It is only allowed when the oscilloscope is stopped and quick measurements are on; segmented acquisition mode is allowed.

Specifies the maximum number of values used when calculating measurement statistics. The query returns the current measurement statistics max count setting.

Resets the measurement statistics and zeroes the counts. The measurement statistics configuration is not deleted.

Disables or enables relative standard deviations, i.e. standard deviation/mean, in the measurement statistics.

Queries the time interval between the trigger event and the specified waveform transition. The optional source parameter can be used to modify the current source.

:MEASURE:TEDGE? +1, CHAN1
:MEASURE:TEDGE? +1, CHAN2
:MEASURE:TEDGE? +2, CHAN1

Queries the time interval from the trigger event to the specified value crossing of the displayed signal. The query searches for the requested level, slope, and occurrence, and returns the crossing time in seconds; if the crossing cannot be found, it returns +9.9E+37.

Installs a screen measurement and starts a vertical amplitude measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts an average value measurement. If an optional source is specified, the current source is modified; if interval is omitted, DISPlay is implied.

Installs a screen measurement and starts a waveform base value measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts a maximum vertical value measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts a minimum vertical value measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts a vertical peak-to-peak measurement. If an optional source is specified, the current source is modified.

Installs a screen measurement and starts an RMS value measurement. If an optional source is specified, the current source is modified. For the query, measures and outputs the dc RMS value of the selected waveform.

Returns the value at a specified time on the source specified with :MEASure:SOURce. The specified time must be on the screen and is referenced to the trigger event; if the optional source is specified, the current source is modified.

Installs a screen measurement and starts a waveform top value measurement. The query returns the vertical value at the top of the waveform.

Specifies which measurement window is used when the zoomed time base is displayed. MAIN selects the upper Main window, ZOOM selects the lower Zoom window, and AUTO tries the Zoom window first and falls back to the Main window.

Installs a screen measurement and starts an X-at-Max-Y measurement on the selected window. If an optional source is specified, the current source is modified. The query returns the horizontal axis value at which the maximum vertical value occurs.

:MEASure:XMAX [<source>]
:MEASure:XMAX? [<source>]

Installs a screen measurement and starts an X-at-Min-Y measurement on the selected window. If an optional source is specified, the current source is modified. It is an alias for :MEASure:TMIN.

Sets the lower measurement threshold value. The value and the UPPer value represent absolute values when thresholds are ABSolute and percentage when thresholds are PERCent as defined by :MEASure:DEFine THResholds.

Clears all selected measurements and markers from the screen. This command is obsolete and provided for backward compatibility; use :MEASure:CLEar instead.

Obsolete command provided for compatibility with previous oscilloscopes. The query returns the time difference between the Tstop marker (X2 cursor) and the Tstart marker (X1 cursor), equal to Tstop - Tstart.

Selects the thresholds used when making time measurements. This command is obsolete and provided for backward compatibility; use :MEASure:DEFine THResholds instead.

Installs a screen measurement and starts an X-at-Max-Y measurement on the selected waveform. If an optional source is specified, it becomes the current source. This command is obsolete and provided for backward compatibility; use :MEASure:XMAX instead.

Installs a screen measurement and starts an X-at-Min-Y measurement on the selected waveform. If an optional source is specified, it modifies the current source; the command is obsolete and provided for backward compatibility.

Moves the start marker (X1 cursor) to the specified time with respect to the trigger time. It is an obsolete compatibility command; the manual recommends :MARKer:X1Position instead.

Moves the stop marker (X2 cursor) to the specified time with respect to trigger time. The command is obsolete and provided for compatibility; use :MARKer:X2Position instead.

Queries the time interval between the trigger event and a specified voltage-level crossing on the displayed signal. The command is obsolete and provided for backward compatibility; if the crossing is not found, the oscilloscope returns +9.9E+37.

Sets the upper measurement threshold value. The value and the LOWer value represent absolute values when thresholds are ABSolute and percentage when thresholds are PERCent, as defined by :MEASure:DEFine THResholds.

Returns the voltage difference between vertical marker 1 (Y1 cursor) and vertical marker 2 (Y2 cursor). The returned delta is the current value and no measurement is made when the query is received.

Moves the vertical marker (Y1 cursor) to the specified value for the selected source. This obsolete command is provided for compatibility with previous oscilloscopes; use :MARKer:Y1Position instead.

Moves vertical marker 2 (Y2 cursor) to the specified value for the selected source. This obsolete command is provided for compatibility; use :MARKer:Y2Position instead.

Specifies which channels are included in the mask test. ON includes all displayed analog channels; OFF includes only the selected source channel.

Automatically constructs a mask around the currently selected channel using the tolerance settings from :MTESt:AMASk:XDELta, :MTESt:AMASk:YDELta, and :MTESt:AMASk:UNITs. The mask only covers the portion of the waveform visible on the display.

Selects the source used to interpret :MTESt:AMASk:XDELta and :MTESt:AMASk:YDELta when :MTESt:AMASk:UNITs is set to CURRent. It is equivalent to :MTESt:SOURce.

Sets the units used by the mask test subsystem when interpreting automask tolerance parameters. CURRent uses the units set by :CHANnel<n>:UNITs; DIVisions uses graticule divisions as the measurement system.

Sets the tolerance in the X direction around the waveform for the automasking feature. The tolerance is interpreted according to the current :MTESt:AMASk:UNITs setting.

Sets the vertical tolerance around the waveform for the automasking feature. The tolerance is interpreted according to :MTESt:AMASk:UNITs.

Returns the total number of failed waveforms in the current mask test run. The count applies to all regions and all waveforms collected on the specified channel, or on the current source channel if no channel is given.

Resets the mask statistics.

Returns the elapsed time in the current mask test run.

Returns the total number of waveforms acquired in the current mask test run.

Loads a mask from binary block data. The query returns a mask in IEEE 488.2 definite-length binary block format.

Clears the currently loaded mask.

Enables or disables the mask test features. The query returns the current mask test state.

Enables or disables the mask lock feature. When ON, the mask is locked to the source and is redrawn as the source scaling or position changes; when OFF, the mask remains static.

Specifies the termination condition for the mask test. The condition can be set to forever, until Sigma level, for a fixed time, or until a fixed number of waveforms are acquired.

Sets measuring-only mask failures on or off. When ON, measurements and measurement statistics run only on waveforms containing a mask violation; passing waveforms do not affect measurements or statistics.

Sets printing on mask failures on or off. Setting :MTESt:RMODe:FACTion:PRINt ON automatically sets :MTESt:RMODe:FACTion:SAVE OFF.

:MTESt:RMODe:FACTion:PRINt ON
:MTESt:RMODe:FACTion:PRINt?

Sets saving on mask failures on or off. Setting :MTESt:RMODe:FACTion:SAVE ON automatically sets :MTESt:RMODe:FACTion:PRINt OFF.

Sets stopping on a mask failure on or off. When this setting is ON and a mask violation is detected, the mask test and acquisition system are stopped.

Sets the test sigma level used when :MTESt:RMODe is set to SIGMa. The query returns the current Sigma level setting.

Sets the number of seconds for a mask test to run when :MTESt:RMODe is set to TIME. The query returns the number of seconds currently set.

Sets the number of waveform acquisitions that are mask tested when :MTESt:RMODe is set to WAVeforms. The query returns the number of waveforms currently set.

Enables or disables Bind 1 & 0 Levels control, or Bind -1 & 0 Levels for inverted masks. When enabled, the paired level controls track each other; when disabled, adjusting one changes the mask height.

Defines where X=0 in the base coordinate system used for mask testing. The current X1 coordinate setting can be queried.

Defines the X delta value used to position the X2 marker relative to the X1 marker in the mask test coordinate system. Redefining ΔX also moves normalized polygon vertices so they remain in the same locations with respect to X1 and ΔX.

Defines where Y=0 in the coordinate system for mask testing. The value is a voltage specifying the point at which Y=0.

Defines the Y2 marker in the coordinate system for mask testing. The Y2 value is a voltage value specifying the location of the Y2 marker.

Selects the channel configured by the commands contained in a mask file when it is loaded. The query returns the channel configured by the current mask file.

Sets or queries the mask title. The query returns the mask title, a string of up to 128 ASCII characters displayed in the mask test dialog box and mask test tab when a mask file is loaded.

Enables or disables averaging for test-mode acquisitions. This obsolete command is provided for backward compatibility; use :ACQuire:TYPE AVERage instead.

Sets the number of averages for waveforms. With AVERage acquisition type, it specifies how many data values are averaged for each time bucket before the acquisition is complete for that bucket. The command is obsolete and provided for backward compatibility; use :ACQuire:COUNt instead.

Loads the specified mask file. The command is obsolete and provided for backward compatibility; use :RECall:MASK[:STARt] instead.

Determines the termination conditions for the mask test. The available choices are FORever, TIME, or WAVeforms; this command is obsolete and provided for backward compatibility.

Enables or disables the Stop On Failure run-until criteria. When a mask test is running and a mask violation is detected, the mask test and acquisition system are stopped. This command is obsolete and provided for backward compatibility.

Sets the channel to use as the trigger. This command is obsolete and provided for backward compatibility to previous oscilloscopes.

Specifies the source for RECall operations by setting the file's base name only, without path information or an extension.

Recalls a mask. The file specification may be an internal location from 0 to 3 or a quoted ASCII file name; if a file extension is provided, it must be ".msk".

Sets the present working directory for recall operations. The query returns the currently set working directory for recall operations.

Recalls an oscilloscope setup. The file specification may be an internal location integer or a quoted ASCII file name; if a file extension is provided, it must be ".scp".

Recalls a reference waveform. If a file extension is provided as part of the specified file name, it must be ".h5".

Specifies the source for SAVE operations by setting the file's base name. The name is used without path information or an extension.

Saves an image. Set :SAVE:IMAGe:FORMat before saving; if the format is NONE the save will not succeed. If a file extension is provided and it does not match the current image format, the format may be changed to match a valid image extension.

Controls whether oscilloscope factors are output along with the image. Factors are written to a separate file with the same path and base name but a ".txt" extension.

Sets the image format type. The query returns the selected image format type; if NONE is returned, a waveform data file format is currently selected.

Controls whether the graticule colors are inverted. The query returns a flag indicating whether graticule colors are inverted or not.

Sets the image palette color for saved images. The query returns the selected image palette color.

Saves the Lister display data to a file. If a file extension is provided in <file_name>, it must be ".csv".

Saves a mask to an internal location or a quoted file name. If a file name is specified with an extension, it must be ".msk".

Saves multi-channel waveform data to a file. If a file extension is provided in the file name, it must be ".h5".

Sets the present working directory for save operations. The query returns the currently set working directory for save operations.

Saves an oscilloscope setup. If a file name is provided, any file extension must be ".scp".

Saves oscilloscope waveform data to a file. Set :SAVE:WAVeform:FORMat before saving; if the file extension conflicts with the expected format, the format is changed when the extension is a valid waveform file extension.

Sets the waveform data format type for saving waveform data. The query returns the selected waveform data format type.

Sets the waveform data length, i.e. the number of points saved, when :SAVE:WAVeform:LENGth:MAX is OFF. If :SAVE:WAVeform:LENGth:MAX is ON, this setting has no effect.

Specifies whether the maximum number of waveform data points is saved. When OFF, :SAVE:WAVeform:LENGth specifies the number of waveform data points saved.

Specifies which acquired segments are included when a segmented waveform is saved. When segmented memory is used, ALL saves all acquired segments and CURRent saves only the currently selected segment.

Selects the source to be saved as a reference waveform file. For the query, returns the current save source; if the source is FUNCtion or MATH, the query returns FUNC.

Saves oscilloscope waveform data to a reference waveform file. If a file extension is provided in <file_name>, it must be ".h5".

This obsolete command selects the image area used by :SAVE:IMAGe? operations. The query returns SCR for image saves and GRAT for saves of setups or waveform data.

Turns displaying of the serial decode bus on or off. The command is only valid when a serial decode option has been licensed.

Determines the decode mode for the serial bus. It is only valid when a serial decode option has been licensed.

Queries the error frame count for the selected bus channel.

Returns the overload frame count.

Resets the frame counters.

Returns the total frame count.

Queries the current CAN counter utilization for the selected SBUS<n>.

Sets the CAN sample point, the point during the bit time where the bit level is sampled to determine whether the bit is dominant or recessive. The sample point represents the percentage of time between the beginning and end of the bit time.

Sets the standard CAN signal baud rate. Rates from 10 kb/s to 4 Mb/s are accepted in 100 b/s increments, and 5 Mb/s is also allowed; values not divisible by 100 b/s are rounded to the nearest valid baud rate.

Sets the CAN signal type used when :SBUS<n>:CAN:TRIGger is set to SOF (start of frame). The query returns the current CAN signal type.

Sets the source for the CAN signal. On 2-channel DSOX1200-Series oscilloscopes only, EXTernal can be specified as the source.

Sets the CAN trigger condition for :SBUS<n>. The command accepts one of several trigger conditions such as SOF, DATA, error types, ID-based conditions, or ACK error.

Defines the CAN data pattern resource from a string parameter. The pattern works with the data length set by :SBUS<n>:CAN:TRIGger:PATTern:DATA:LENGth and may be specified as binary or hexadecimal with X and $ don't-care characters.

Sets the number of 8-bit bytes in the CAN data string. The value can be from 1 to 8 bytes and is set by the :SBUS<n>:CAN:TRIGger:PATTern:DATA command.

Defines the CAN identifier pattern resource from a string parameter. If the string starts with "0x", it is interpreted as hexadecimal; otherwise it is interpreted as a binary string using 0, 1, and X don't-care characters.

Sets the CAN identifier mode for CAN trigger pattern ID matching. Standard selects the 11-bit identifier and Extended selects the 29-bit identifier; the identifier itself is set by :SBUS<n>:CAN:TRIGger:PATTern:ID.

Determines whether the Read/Write bit is included as the LSB in the display of the IIC address field of the decode bus. The query returns the current IIC address width setting.

Sets the source for the IIC serial clock (SCL). EXTernal can be specified as the source on 2-channel DSOX1200-Series oscilloscopes only.

Sets the source for IIC serial data (SDA). EXTernal is available only on 2-channel DSOX1200-Series oscilloscopes.

Sets the address for IIC data. The address can be specified as an integer or as a hexadecimal string, and the don't care address can be used to ignore the address value.

Sets the IIC trigger pattern data value. The data can be entered as an integer or as a hexadecimal string from 0x00 to 0x0FF; use -1 or 0xFFFFFFFF as a don't-care value to ignore the data.

Sets IIC data 2 for the trigger pattern. The value can be specified as an integer or as a hex string from 0x00 to 0x0FF; use -1 or 0xFFFFFFFF as a don't care pattern to ignore the data value.

Sets the IIC data qualifier when TRIGger:IIC:TRIGger[:TYPE] is set to READEprom. The query returns the current IIC data qualifier value.

Sets the IIC trigger type. The query returns the current IIC trigger type value.

Determines whether the parity bits are included as the most significant bits (MSB) in the display of the Frame Id field in the LIN decode bus.

Sets the LIN sample point during the bit time, expressed as a percentage of the bit time. The sample point value is not limited by the baud rate.

Sets the standard baud rate of the LIN signal. Values are rounded to the nearest 100 b/s increment if necessary.

Sets the source for the LIN signal. EXTernal can be specified as the source on 2-channel DSOX1200-Series oscilloscopes only.

Sets the LIN standard in effect for triggering and decoding. The standard can be set to LIN1.3 or LIN2.0.

Sets the length of the LIN sync break to be greater than or equal to 11, 12, or 13 clock lengths. The sync break is the idle period at the beginning of each packet that distinguishes one information packet from the previous one.

Sets the LIN trigger condition. Use SYNCbreak for Sync Break, ID for Frame ID, or DATA for Frame ID and Data.

Defines the LIN identifier searched for in each CAN message when the LIN trigger mode is set to frame ID. Setting the ID to -1 results in 0xXX, equivalent to all IDs.

Sets the LIN trigger data pattern searched for in each LIN data field. The pattern is entered as a string whose accepted format depends on :SBUS<n>:LIN:TRIGger:PATTern:FORMat; the query returns the currently specified pattern.

Sets the number of 8-bit bytes in the LIN data string. The value can be from 1 to 8 bytes and is used by :SBUS<n>:LIN:TRIGger:PATTern:DATA.

Sets the entry number base used by the :SBUS<n>:LIN:TRIGger:PATTern:DATA command, and the query returns the currently set number base for LIN pattern data. The default base is BINary.

Selects the SPI decode bit order used when displaying data in the serial decode waveform and in the Lister.

Sets the SPI clock source slope used to clock in data. The query returns the current SPI clock source slope.

Sets the SPI signal clock timeout resource in seconds when :SBUS<n>:SPI:FRAMing is set to TIMeout. The timer frames a signal by a clock timeout.

Sets the SPI trigger framing value for :SBUS<n>. If TIMeout is selected, the timeout value is set by :SBUS<n>:SPI:CLOCk:TIMeout; NOTC is deprecated and the same as NCHipselect.

Sets the source for the SPI serial clock. On 2-channel DSOX1200-Series oscilloscopes only, EXTernal can be specified as the source.

Sets the source for the SPI serial data. On 2-channel DSOX1200-Series oscilloscopes that support 3-wire SPI, EXTernal may be specified as the source.

Sets the frame source for the SPI serial frame when :SBUS<n>:SPI:FRAMing is set to CHIPselect or NOTChipselect. EXTernal is available as the source on 2-channel DSOX1200-Series oscilloscopes only.

Sets the source for the SPI serial MISO data on supported 4-channel oscilloscopes. The query returns the current source.

Sets the source for the SPI serial MOSI data on 4-channel DSOX1200-Series oscilloscopes that support 4-wire SPI. The equivalent :SBUS<n>:SPI:SOURce:DATA command can also be used.

Defines the SPI data pattern resource for 3-wire SPI trigger pattern search. The string parameter specifies the pattern in either binary or hexadecimal form, with X or $ treated as don't care characters.

Defines the SPI MISO data pattern resource for 4-wire SPI trigger pattern matching. The string may be entered as a binary pattern of 0, 1, and X, or as a hexadecimal string prefixed with "0x" using hexadecimal digits and X.

Sets the width of the SPI MISO data pattern on 4-channel DSOX1200-Series oscilloscopes that support 4-wire SPI. The command should be set before :SBUS<n>:SPI:TRIGger:PATTern:MISO:DATA.

Defines the SPI MOSI data pattern resource for the specified bus according to the string parameter. The pattern is used with the data width to control what is searched in the data stream; if the string starts with "0x" it is interpreted as hexadecimal, otherwise as binary.

Sets the width of the SPI MOSI data pattern on supported 4-channel DSOX1200-Series oscilloscopes. The width can be set from 4 to 64 bits and should be configured before :SBUS<n>:SPI:TRIGger:PATTern:MOSI:DATA.

Sets the width of the SPI data pattern for 3-wire SPI on supported 2-channel DSOX1200-Series oscilloscopes. The width should be set before :SBUS<n>:SPI:TRIGger:PATTern:DATA.

Specifies whether the SPI trigger is on MOSI data or MISO data. The query returns the current SPI trigger type setting.

Sets the number of bits in a word of SPI data. The query returns the current SPI decode word width.

Determines the base used for UART decode and Lister display. The query returns the current UART decode and Lister base setting.

Sets the UART baud rate used by the serial decoder and/or trigger when :SBUS<n> is in UART mode. The baud rate may be set from 100 b/s to 8 Mb/s.

Sets the bit order used by the physical Tx and Rx input signals for the serial decoder and/or trigger when in UART mode. LSBFirst transmits the least significant bit first; MSBFirst transmits the most significant bit first.

Returns the UART error frame count.

Resets the UART frame counters.

Returns the UART Rx frame count.

Returns the UART Tx frame count.

Sets the byte value used for framing (end of packet) in UART decode, or turns framing off. The query returns the current UART decode base setting.

Selects the parity used with each message byte for the serial decoder and/or trigger when in UART mode.

Selects the UART polarity as idle low or idle high for the serial decoder and/or trigger when in UART mode.

Controls which signal is used as the Rx source by the serial decoder and/or trigger when in UART mode. EXTernal can be specified as the source on 2-channel DSOX1200-Series oscilloscopes only.

Controls which signal is used as the UART Tx source for the serial decoder and/or trigger in UART mode. EXTernal can be specified as the source on 2-channel DSOX1200-Series oscilloscopes only.

Sets the front panel UART/RS232 trigger setup data selection option. ASCII selects front panel data selection from ASCII values; HEX selects hexadecimal values. The setting does not affect :SBUS<n>:UART:TRIGger:DATA and is independent of :SBUS<n>:UART:BASE.

:SBUS<n>:UART:TRIGger:BASE <base>
:SBUS<n>:UART:TRIGger:BASE?

Selects the UART trigger burst value for the nth frame after an idle period. The value may be OFF or an integer from 1 to 4096.

Selects the UART trigger data byte value used for RD or TD trigger types in UART mode. The value can be entered as a decimal, hexadecimal, binary, or quoted ASCII character representation.

Selects the idle period value for burst trigger in UART mode. The query returns the current UART trigger idle period time.

Selects the UART trigger data qualifier when :TYPE is set to RDATa, RD1, RD0, RDX, TDATa, TD1, TD0, or TDX.

Selects the UART trigger type for :SBUS<n>. When one of the RD or TD types is selected, :SBUS<n>:UART:TRIGger:DATA and :SBUS<n>:UART:TRIGger:QUALifier are used to specify the data value and comparison operator.

Sets the number of bits for each message byte used by the serial decoder and/or trigger when in UART mode. The query returns the current UART width setting.

Sets the instrument date. Validity checking is performed to ensure that the date is valid.

Returns the oscilloscope's Host ID as part of a quoted ASCII string. The exact contents and format are product-specific and should not be parsed by portable programs.

:SYSTem:DIDentifier?

Writes a quoted ASCII string to a text box in the center of the display. Use :SYSTem:DSP "" to remotely remove the message from the display.

:SYSTem:DSP <string>

Outputs the next error number and text from the error queue. Repeatedly querying returns errors in order until the queue is empty, after which further queries return zero until another error occurs.

Disables or enables the front panel lock. LOCK ON is equivalent to sending a local lockout message over the programming interface.

Changes the front panel softkey menu.

Sets the manufacturer string portion of the identification string returned by *IDN?. The string is quoted ASCII and can be up to 63 characters; the query returns the currently set manufacturer string.

Sets the manufacturer string to "KEYSIGHT TECHNOLOGIES".

Places the instrument in a known state, equivalent to the front-panel Default Setup action. Some user settings remain unchanged; use *RST to reset all user settings to factory defaults.

Disables the fifty ohm impedance setting for all analog channels. The query returns the analog channel protection lock status.

Enables or disables remote command logging, optionally specifying the log file name and write mode.

Specifies whether remote commands are logged to a text file, to the screen, or both. If the destination is changed while remote command logging is running, logging is turned off.

Enables or disables the screen display of logged remote commands and their return values. The query returns whether remote command logging display is enabled or disabled.

Specifies the remote command log file name. The ".txt" extension is added automatically to the name specified.

Enables or disables remote command logging. The query returns the remote command logging state.

Specifies whether the screen display background for remote command logging is transparent or solid.

Specifies the remote command logging write mode. The query returns the current remote command logging write mode.

Sets the oscilloscope according to a setup (learn) string sent from the controller. The command does not change the interface mode or interface address.

:SYSTem:SETup <setup_data>
myScope.WriteIEEEBlock ":SYSTEM:SETUP ", varSetupString

Sets the system time using a 24-hour format. Commas are used as separators, and validity checking is performed to ensure the time is valid.

Sets the system time zone based on the specified offset from UTC, keeping local time constant while moving UTC. Supported offsets are listed in the manual and the query returns the current time zone offset setting.

Ejects connected USB storage devices. When ALL is given, it dismounts/ejects all connected USB storage devices.

Returns the root path for all connected USB storage devices, delimited by a newline character. The returned string is up to 256 ASCII characters.

Sets the current time base mode. The mode can be MAIN, WINDow, XY, or ROLL; MAIN is the default after *RST.

myScope.WriteString ":TIMEBASE:MODE MAIN"

Sets the time interval between the trigger event and the display reference point on the screen. The display reference point is set with :TIMebase:REFerence, and the maximum position value depends on the time/division setting. This command is an alias for :TIMebase:DELay.

Sets the full-scale horizontal time for the main window in seconds. The range is 10 times the current time-per-division setting.

myScope.WriteString ":TIM:RANG 2e-3" ' Set the time range to 0.002 seconds.

Sets the time reference to one division from the left side of the screen, the center of the screen, or one division from the right side of the screen. The time reference is the point on the display where the trigger point is referenced.

:TIMebase:REFerence CENTer

Sets the horizontal scale, or units per division, for the main window. The query returns the current horizontal scale setting in seconds per division.

Specifies whether the time base control's vernier (fine horizontal adjustment) setting is ON (1) or OFF (0).

Sets the horizontal position in the zoomed (delayed) view of the main sweep. The value is the time from the trigger event to the zoomed view reference point and must keep the window within the main sweep range.

Sets the full-scale horizontal time in seconds for the zoomed (delayed) window. The main sweep range determines the range for this command, and the maximum value is one half of the :TIMebase:RANGe value.

Sets the zoomed (delayed) window horizontal scale in seconds per division. The main sweep scale determines the range for this command, and the maximum value is one half of the :TIMebase:SCALe value.

:TIMebase:WINDow:SCALe <scale_value>
:TIMebase:WINDow:SCALe?

Sets the main time base delay, the time between the trigger event and the delay reference point on the screen. This command is obsolete and provided for backward compatibility; use :TIMebase:POSition instead.

myScope.WriteString ":TIMEBASE:DELAY 0.0"

Causes an acquisition to be captured even though the trigger condition has not been met. It is equivalent to pressing the front panel Force Trigger key.

Turns the high frequency reject filter off and on. The filter adds a 50 kHz low-pass filter in the trigger path to remove high-frequency noise from the trigger waveform.

Defines the trigger holdoff time value. Holdoff prevents triggering again until a specified time has elapsed since the last trigger.

Automatically sets the trigger levels of all displayed analog channels to their waveforms' 50% values. If AC coupling is used, the trigger levels are set to 0 V; when high and low dual trigger levels are used, the command has no effect.

Sets the high trigger voltage level for the specified source. The query returns the high trigger voltage level for the specified source.

Sets the low trigger voltage level for the specified source. The query returns the low trigger voltage level for that source.

Selects the trigger mode (trigger type). PATTern, SHOLd, and TRANsition modes are available on the DSOX1200-Series oscilloscopes only.

myScope.WriteString ":TRIGger:MODE EDGE"

Turns the noise reject filter off and on. When the filter is on, the trigger circuitry is less sensitive to noise but may require a greater amplitude waveform to trigger; the command is not valid in TV trigger mode.