EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 527)

SCPI Command Reference
OSA 521
Product-Specific Commands—Description
:CALibration[1..n]:ZERO[:AUTO]?
Description This query indicates whether or not the
instrument performs auto zero calibration
(nulling) at device-dependent intervals without
user intervention.
At *RST, auto zero calibration is set to on
(enabled).
Syntax :CALibration[1..n]:ZERO[:AUTO]?
Parameter(s) None
Response Syntax
Response(s) Auto:
The response data syntax for is defined
as a
element.
The response corresponds to the state
of the auto zero calibration.
0: auto zero is disabled.
1: auto zero is enabled.
Example(s) CAL:ZERO? Returns 1 (auto zero enabled)
See Also :CALibration:ZERO:AUTO