Keysight N1911A Programming Manual page 706

15 SERVice Subsystem
Query
SERVice:SENSor[1]|2:CALFactor?
The query returns the current calibration factor block.
Query Example
SERV:SENS:CALF?
Error Messages
– If no power sensor is connected, error –241 "Hardware missing" occurs.
– If a a sensor other than a N8480 Series (excluding Option CFT) or E-Series
– If an E9320 Series sensor is connected and
– If INIT:CONT is not set to OFF, error –221, "Settings conflict" occurs.
706
power sensor is connected, error –241 "Hardware missing" occurs.
SERVice:SENSor[1]|2:CORRections:STATe is set to ON, error –221,
"Settings conflict" occurs.
N1911A/1912A P-Series Power Meters Programming Guide
This command returns the calibration factor
block for Channel A.