EXFO PM-1100 Optical Power Meter - Manual (Page 101)

Remote Control Commands
Optical Power Meter 91
Product-Specific Commands—Description
SENSitivity:POWer:REFerence:STATe
Description This command selects whether absolute (dBm) or relative
power measurements are performed.
Syntax SENS:POW:REF:STAT
Parameters The value represents either dB or dBm
“0” to set absolute mode
“1” to set relative mode
Example SENS:POW:REF:STAT
SENSitivity:POWer:REFerence:STATe?
Description This query returns a value indicating wheter the power meter is
displaying absolute (dBm) or relative power values.
Syntax SENS:POW:REF:STAT?
Response “0” absolute mode is active (dBm or watt)
“1” relative mode is active (dB or delta watt)
Example SENS:POW:REF:STAT?