HP 1650B Programming Reference Manual page 227

COMPare
COMPare
selector
The COMPare selector is used as part of a compound header to access
the settings found in the Compare menu. It always follows the MACHine
selector because it selects a branch directly below the MACHine level in
the command tree.
Command Syntax:
:MACHine{l IP}:COMPare
Example:
OUTPUT XXX;":MACHINEl:COMPARE:FIND? 819"
HP 1650B/HP 16518
COMPare Subsystem
Programming Reference
163