EXFO FTB -5240S/5240BP Optical Spectrum Analyzer - Manual (Page 599)

SCPI Command Reference
OSA 593
Product-Specific Commands—Description
:UNIT[1..n]:POWer?
Description This query returns the selected default unit for
commands which program absolute power.
At *RST, default absolute power unit is set to
DBM.
Syntax :UNIT[1..n]:POWer?
Parameter(s) None
Response Syntax
Response(s) Unit:
The response data syntax for is defined
as a element.
The response corresponds to the selected
default absolute power unit.
DBM: dBm power unit is selected.
W: watt power unit is selected.
Example(s) UNIT:POW DBM
UNIT:POW? Returns DBM
See Also :UNIT[1..n]:POWer
:UNIT[1..n]:RATio
:UNIT[1..n]:SPECtrum