Places the ASCII character "1" into the output queue when all pending OPC operations are complete. It is used to generate an operation complete message by setting bit 0 of the Standard Event Status Register when pending commands finish.

*OPC? might return 1 to indicate that all pending OPC operations are finished.

Sets and queries the bits in the Service Request Enable Register (SRER).

*SRE 48
*SRE?

Clears the status data structures and event registers. It is a common IEEE 488.2 common command.

Sets the standard event enable register. This command enables or disables the specified event bits in the Standard Event Enable Register.

Returns the value of the Standard Event Status Register.

Returns the instrument identification string.

Sets the device to indicate completion of all selected overlapped commands. The command is used in synchronization with the IEEE 488.2 operation complete query.

Sets the power-on state to be restored after a power cycle. The command is related to the instrument's power-on output state handling.

Recalls the specified instrument state from nonvolatile memory. The command is part of the IEEE 488.2 common command set.

Resets the instrument to its default state.

Saves the current instrument state in nonvolatile memory. The saved state can later be recalled with *RCL.

Returns the status byte register. The value indicates the summarized state of the instrument.

Triggers selected operation(s) on the instrument immediately. This is the IEEE 488.2 group trigger command.

Executes an internal self-test of the instrument.

Waits until all pending selected device operations are complete before continuing execution.

Queries the contents of the operation instrument enable register (OIENR). The OIENR is an eight-bit mask register that determines which bits in the Operation Enable Register affect the OPER bit in the Status Byte Register.

Queries the operation enable register summary for channel <x>, where <x> is 1, 2, or 3. The returned value is a decimal integer whose binary bits are set according to the specified channel's operation enable register.

STAT:OPER:INST:ISUM2:ENABle? might return 2, which would indicate that only the Constant Current bit of the Operation Enable Register for channel 2 would affect the OPER bit of the Status Byte Register.

Sets and queries the questionable enable register (QENR), an eight-bit mask register that determines which Questionable Event Register bits affect the QUES bit of the Status Byte Register.

STATUS:QUESTIONABLE:ENABLE 8
STATUS:QUESTIONABLE:ENABLE? might return 8, which would indicate that only a transition of the Remote Inhibit bit of the QCR would affect the QUES bit of the Status Byte Register.

Queries or sets the questionable instrument status event register for the instrument. The setter uses a decimal mask value to set bits in the Questionable Enable Register for the specified channel.

Queries the operation enable register summary of a channel. <x> selects channel 1, 2, or 3; on two-channel instruments only channels 1 and 2 are available.

STATus:QUEStionable:INSTrument:ISUMmary2:ENABle? 2

Sets the enable register for the Operation status group. This command controls which Operation status events are reported.

Returns the condition register bits for the selected instrument summary register. This is a query form of the instrument status summary command.

Sets the enable register for the instrument summary status tree for the selected summary index x.

Returns the event summary for the specified status summary register. The optional event query form is documented for this command.

Returns the enable register for the instrument status group in the Operation status register tree.

Returns the event register contents for the instrument status group. This query reports the current state of the operation status instrument event register.

Returns the present condition of the operation status register. The event register is cleared after being read.

Returns the event status summary for the specified instrument summary register. The optional EVENT suffix queries the event register of that summary.

Sets the enable mask for the Questionable status register. It enables the bits that can generate a Questionable status summary event.

Sets the enable register for the Questionable Instrument status group.

Returns the condition register for a specified instrument summary status register. The `<x>` suffix selects the summary register number.

Sets the enable register for the instrument summary status structure at the specified summary index.

Returns the questionable instrument event register. The optional ":EVENt" node is part of the command mnemonic as documented in the index entry.

Returns the questionable status register event status. The optional event node may be omitted in the mnemonic.

Queries the key code for a front-panel button press. The instrument must be in local mode for the corresponding setter command to simulate a key press.

SYSTEM:KEY 64 would simulate a press of the Shift key.

Sets how the power supply initializes after power is turned on: either default settings or the settings that were in effect when it was turned off. The query returns which startup mode is currently configured.

SYST:POS RST
SYSTEM:POSETUP? might respond with RST, which would indicate that the power supply is configured to restore the power supply to default settings when it powers up.

Returns the next system error in the error queue. The response includes an error code and a quoted error message, and the queue is cleared as errors are read.

Selects a key from the instrument front panel keypad. This command is listed in the system command index.

Sets the instrument to local control. This command is the local counterpart to remote control.

Returns the module identification string for the system. The manual lists this command in the system commands index.

Sets the power-on setup configuration. This command is listed in the system command index on the referenced page.

Sets the instrument to remote control mode.

Locks the instrument in remote mode. The command is listed among the system commands and has no documented parameters on this index page.

Returns the instrument firmware version information.

Sets the output current for the selected channel. In the example, it is sent after selecting a channel with `INSTrument:NSELect`.

Sets the triggered current level for the selected channel. The example shows it being used to program each channel before a trigger event.

:CURRent:TRIGgered 0.55

Sets the current step increment used by the source current level step command.

Sets the current level amplitude for the source. This command is part of the source current command group and has optional path nodes omitted from the syntax.

Selects the active instrument channel. The example shows it being used with a channel number from 1 to 3.

viPrintf(KI200, "INSTrument:NSELect %d\n", i+1); // Select the channel

Selects which instrument channels are coupled to respond to the trigger command. In the example, all channels are coupled by sending `ALL`.

INSTrument:COUPle ALL

Configures the instrument to series mode. The example shows it used before setting output voltage and current.

INSTrument:COMBine:SERies

Sets the instrument combine mode to parallel.

Sets the instrument combine mode to series operation. This command is listed in the index alongside other INSTrument:COMbine commands.

Returns the present instrument combine mode. The command is the query form of the instrument combine function.

Sets whether trigger coupling is enabled for the instrument. This command is documented as part of the instrument coupling commands.

Selects the active instrument in a combined or multichannel configuration. The manual index lists this command on page 2-20.

Turns the power supply output on or off. The example shows `OUTPut 1` being used to turn the output on.

OUTPut 1

Enables or disables the track function for the output channels. The example shows it being used to check that tracking is off and then to enable tracking.

OUTPut:TRACK 0
OUTPut:TRACK 1

Returns the current output series mode setting. The example shows it used after configuring series mode with `INSTrument:COMBine:SERies`.

OUTPut:SERies?

Sets or queries the power-on output state. The command is listed as part of the output control command group.

Sets the output series configuration. The index lists this command under the source output group, but the slice does not provide further syntax or parameter details.

Sets the output timer delay. This command is part of the output timer subsystem.

Controls the timer state for the output. The command is documented in the output subsystem under the source alias.

Sets the output voltage. The example shows it being sent with a numeric voltage value after selecting a channel.

VOLTage %f

Sets the triggered voltage for the selected channel. The value is programmed as a floating-point voltage in the range used by the instrument's trigger settings.

Sets the state of the voltage limit function. The command is listed in the command index as the voltage limit state command.

Sets the voltage limit level. The command is part of the source voltage subsystem and has an optional [:LEVel] node in the syntax.

Sets the triggered voltage level for the selected source. The optional immediate form is documented in the command name, but no additional parameter details are given in this slice.

Sets the voltage level down value for the source. The command syntax includes an optional immediate node and amplitude suffix.

Sets the voltage triggered level, with an optional immediate/increment form in the syntax. The index references this command at page 2-34.

Sets the voltage level of the source; the optional IMMediate node and AMPLitude form are part of the command syntax.

Sets the voltage step increment used by the source voltage step command. The index lists it as part of the source voltage command family.

Sets the source voltage level. The command syntax includes the immediate/level node and amplitude form, but this slice does not provide further parameter details.

Measures the present output current and returns the reading as a floating-point value.

Measure:current?

Measures the current. The example shows it used after configuring output current in a series-mode setup.

MEASure:CURRent?

Measures the output voltage. In the example, it is used after configuring series mode and setting the supply output.

MEASure:VOLTage?
MEASure:VOLTage? ALL

Measures the DC power component of the selected signal. The command is a query form of the scalar power measurement command.

Sets the voltage and current for the specified channel using a single command. In the example, it is used as `APPLy CH%d, %f, %f` to configure each channel.

APPLy CH%d, %f, %f

Applies a source setting. The index lists this as a command in the Source group, but the provided slice does not include its syntax or parameter details.

Sets the output timer function state. The default setting is OFF.

Sets the output timing delay to its default value when the supply is returned to default settings. The default setting for this command is 60.

Sets the voltage limit to its default setting. The default setting is MAX.

Sets whether voltage limiting is enabled or disabled.

Clears the current display text. The command is part of the display window text subsystem.

Sets the text string displayed in the active display window.

Controls the display window state.

Returns the measured DC current from the scalar fetch subsystem.

Returns the measured scalar power in DC mode. This is the fetch form of the scalar power measurement command.

Returns the present measured voltage in the scalar DC voltage function. The index lists this as a fetch query, analogous to the corresponding MEASure command.

Initiates the trigger action immediately.

TRIGger[:IMMediate]