IEEE 488.2 Common Commands

*CLS - Clear Status

Clears the instrument status byte by emptying the error queue and clearing all event registers. Also cancels any preceding *OPC command or query.

*IDN? - Identify

Returns a string that uniquely identifies the analyzer. The string is of the form "Keysight Technologies-,<model number>,<serial-number>,<software revision>" .

*OPC? - Operation complete query

Returns an ASCII "+1" when all pending overlapped operations have been completed.

*OPT? - Identify Options Query

Returns a comma-separated string identifying the analyzer option configuration. See PLTS License Descriptions.

SYSTem:ERRor?

(Read-only) Returns the next error in the error queue. The error queue is cleared when any of the following conditions occur:

• When the *CLS command is sent to the analyzer.
• When all of the errors are read.

Examples:

SYST:ERR?

system:error?