Esr; Idn; Opc - Agilent Technologies 4294A Programming Manual

*ESR?

Syntax *ESR?
Description
Reads out the value of the Standard Event Status Register. Executing this command clears
the register value. (Query only)
Query response
{numeric}<newline><^END>
Corresponding No front panel key is available to execute this function.
key

*IDN?

Syntax
*IDN?
Description
Reads out the manufacturer, model number, serial number, and firmware version number
of the 4294A. (Query only)
Query response {string 1},{string 2},{string 3},{string 4}<newline><^END>
Readout data is as follows:
{string 1}
{string 2}
{string 3}
{string 4}
Corresponding No front panel key is available to execute this function.
key

*OPC

Syntax
*OPC
Description Makes the setting, when the execution of all overlap commands (refer to "*WAI" on page
262) is completed, to set the OPC bit (bit 0) of the Standard Event Status Register. (No
query)
Corresponding
No front panel key is available to execute this function.
key
*OPC?
Syntax
*OPC?
Description Reads out 1 when the execution of all overlap commands (refer to "*WAI" on page 262) is
completed. (Query only)
Query response
{1}<newline><^END>
Corresponding No front panel key is available to execute this function.
key
Chapter 16
Manufacturer. HEWLETT-PACKARD is always read out.
Model number. 4294A is always read out.
10-digit serial number (example: JP1KF00101).
Firmware version number (example: 01.00).
GPIB Command Reference
*ESR?
259