Opc; Opt - Keysight E4981A Programming Manual

Command Reference
IEEE Common Commands

*OPC

Syntax *OPC
Description Sets the OPC bit (bit 0) of the Standard Event Status Register at the
completion of all pending operations. (No query)
Equivalent key No equivalent key is available on the front panel.
sequence
*OPC?
Syntax *OPC?
Description 1 is read out at the completion of all pending operations. (Query only)
Query response {1}<newline><^END>
Equivalent key No equivalent key is available on the front panel.
sequence

*OPT?

Syntax *OPT?
Description Reads out the identification number of an option installed in the E4981A.
(Query only)
Query response {numeric}<newline><^END>
Option 001 or 002 is available for E4981A.
[System]
Equivalent key
sequence
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter 159