Service:bist:cw[1]|2:Zset:number - Keysight N1911A Programming Manual

SERVice:BIST:CW[1]|2:ZSET:NUMber?

This command returns the worst case error in the CW Zero test invoked by
"SERVice:BIST:PEAK[1 2]:Z SET"
Syntax
Example
SERV:BIST:CW:ZSET:NUM?
N1911A/1912A P-Series Power Meters Programming Guide
SERV :BIST
:CW 1 :ZSET
2
This command queries the worst case error
in the CW zero test.
SERVice Subsystem
:NUM
?
15
689