Anritsu ML2430A - Manual (Page 101)

*ESE? Return Event status register enable mask GPIB 488.2
Syntax: *ESE?
Remarks: Returned format: <unsigned character>
When converted to an 8-bit binary number, this byte yields the bit settings
of the register.
*ESR? Event status register request GPIB 488.2
Syntax: *ESR?
Remarks: Return the value of the standard event status register. Afterwards the event
status register are cleared. The returned format is: <unsigned character>.
When converted to a 8-bit binary number, this byte yields the bit settings of
the register.
*IDN? Request device identification GPIB 488.2
Syntax: *IDN?
Remarks: Returned format:
<Company name>,<model>,<serial>,<firmware version>
*OPC Operations complete GPIB 488.2
Syntax: *OPC
Remarks: The ML2430A Series generates the OPC event in the standard event
status register when all pending operations have finished. An operation is
complete when all input messages before the command have been
completed and any responses have been read out of the output buffer.
Example: RGH A, 1; RGH B, 3; *OPC
Will set the Operations Complete bit in the Event Status Register once the
Range Hold commands have completed.
*OPC? Operations complete Output '1' GPIB 488.2
Syntax: *OPC?
6-14 ML2430A OM
ML24XXA NATIVE COMMANDS GPIB OPERATION