
Remote Control Commands
Variable Attenuator 73
IEEE 488.2 Required Commands
*ESR?
Description This query reads the contents of the Standard Event Register.
Syntax *ESR?
Response Binary integer with a value between 0 and 255.
*IDN?
Description This query reads the FVA-3150 identification string.
Syntax *IDN?
Response “EXFO FVA-3150-XX-XX x.x.x.x”, where XX-XX is the current
product model and x.x.x.x is the current product version.
Note The SYST:VERS? and IDN? commands are equivalent to the
*IDN? command. They give the same result.
*OPC
Description This command causes the FVA-3150 to generate the operation
complete message in the Standard Event Status Register (ESR)
when all pending selected FVA-3150 operations have been
finished.
Syntax *OPC
Example *OPC,*IDN?
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