Instruction manual

Chapter 4 Command Reference
Common Commands
4-48 Programming Guide
4
*IDN? (Identification Query)
COMMAND *IDN?
Queries the Counter identification.
QUERY RESPONSE A sequence of ASCII-encoded bytes:
Agilent Technologies, <Model Number>, <Serial Number>, <Firmware ID>
COMMENTS • This query should be the last query in a terminated program message;
if it is not the last query, an error -440 is generated.
• The model number is either 53150A, 53151A, or 53152A.
• The number of digits in the serial number is not fixed.
• The format for the firmware ID is: H0-nnn, where nnn is a three-digit
number. This is followed by the date and time of the firmware release.
RELATED
FRONT-PANEL
KEYS
Shift + Menu
*IST? (Instrument Status)
COMMAND *IST?
Queries the current state of the parallel poll response (Instrument Status).
QUERY RESPONSE <NR1>
RANGE 0-1
RELATED
FRONT-PANEL
KEYS
None