Aeroflex 3412 - Page 228

REMOTE OPERATION COMMON COMMANDS
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*IDN?
Description: The identification query command allows information about the instrument to be read.
Parameters: None
Response: <arbitrary ASCII response data>
Manufacturer, model, serial number, software part number and issue number
Returned values: Manufacturer: string
Always returns ‘IFR’.
Model: string
This is the instrument’s model number in the form 341x where:
341x Description
3412 2 GHz Vector Signal Generator
3413 3 GHz Vector Signal Generator
3414 4 GHz Vector Signal Generator
3416 6 GHz Vector Signal Generator
Serial number: string
This is in the form ssssss/sss where s is an ASCII digit in the range 0 to 9.
Software part number and issue number: string
This is in the form ppppp/ppp/ii.ii where p and i are ASCII digits in the range 0
to 9.
*OPC
Description: The operation complete command sets the operation complete bit (bit 0) in the standard
event status register when execution of the preceding operation is complete. This bit
can be used to initiate a service request.
*OPC should be the final <program message unit> of the <program message>.
Parameters: None
Example: :CAL; *OPC
Initiate a level calibration. The Operation Complete bit is set in the Standard Event
Status Register when the instrument has finished.
*OPC?
Description: The operation complete query returns a ‘1’ when the preceding operation has
completed.
*OPC? should be the final <query message unit> of the <program message>.
Parameters: None
Response: <NR1>
Operation complete
Returned values: Operation complete: integer. Value is 1.