EXFO FVA-3150 Variable Attenuator - Manual (Page 101)

Remote Control Commands
Variable Attenuator 95
Specific commands-Quick Reference Command Tree
OUTPut:APMode
Description This command selects Absolute or Reference attenuation
mode. When Absolute mode is selected, the Absolute
attenuation introduced by the FVA-3150 is displayed. When
Reference mode is selected, the current absolute attenuation is
set as the reference value, and then the displayed attenuation is
relative to the reference.
Syntax OUTP:APM<wsp><boolean>
Parameters The <boolean> parameter can be
“0” or “OFF” to select Reference display mode
“1” or “ON” to select Absolute display mode
Example OUTP:APM ON
Note This command cannot be issued while a program is running.
OUTPut:APMode?
Description This query returns a value indicating whether or not Absolute
display mode is selected.
Syntax OUTP:APM?
Response “0” if the unit is in Reference display mode
“1” if the unit is in Absolute display mode
Example OUTP:APM?