HP 8163A Programming Manual page 78

command: :SENSe[n]:[CHANnel[n]]:CORRection:COLLect:ZERO
:ALL
syntax: SENSe[n]:[CHANnel[n]]:CORRection:COLLect:ZERO:ALL
description: Zeros the electrical offsets for all installed modules.
parameters: none
response: none
example:
sens:chan:corr:coll:zero:all
affects: All power meter modules
Introduction to Programming
Measurement Functions – The SENSe Subsystem
78