EXFO FVA-3150 Variable Attenuator - Manual (Page 98)

Remote Control Commands
92 FVA-3150
Specific commands-Quick Reference Command Tree
INPut:OFFSet?
Description This query returns the current reference value for the current
wavelength.
Syntax INP:OFFS?
Response The current reference in the format “99.999”. The units are dB.
Example INP:OFFS?
INPut:STEP
Description This command is used to set the size of the step between two
attenuation settings. Use the INP:STEP:CATA? query to obtain
the list of available step sizes. If the requested step is not
available, the FVA-3150 is set to the next available step. If the
requested step is greater than the maximum available step, the
FVA-3150 is set to the maximum available step.
Syntax INP:STEP<wsp><step>[<wsp>dB]
Parameters The <step> parameter is the requested step size. The unit of
measurement (dB) is optional.
Example INP:STEP 0.1
Note This command cannot be issued while a program is running.