Standard Event Status Register Query - Agilent Technologies ESA Series User's/Programmer's Reference

Remote Command Reference
IEEE Common Commands
Query returns the state of the standard event status enable register.
Range:.

Standard Event Status Register Query

*ESR?
Queries and clears the standard event status event register. (This is a destructive
read.)
Range:
Identification Query
*IDN?
Returns an instrument identification information string. The string will contain the
model number, serial number and firmware revision. The response is organized
into four fields separated by commas. The field definitions are as follows:
Manufacturer
Model
Serial number
Firmware version
Example:
As shown in the example, the analyzer returns "Hewlett-Packard" as the
NOTE
manufacturer even though it is now manufactured by Agilent Technologies. This is
intentional. Agilent Technologies was created out of the Hewlett-Packard
company, and the Hewlett-Packard name is retained to support those customers
who have purchased ESA analyzers in the past.
Front Panel
Access:
Instrument State Query
*LRN?
Returns current instrument state data in a block of defined length. The information
is in a machine readable format only. Sending the query returns the following
format:
#PQQQSYST:SET #NMMM<state_data>
236
Integer, 0 to 255
Integer, 0 to 255
Hewlett-Packard, E4401B, US39120213, A.06.00
System, Show System
Chapter 5