Keysight Technologies 3458A Guide D'utilisation page 420

C Procedure to Lock Out Front/Rear Terminals and Guard Terminal Switches
Introduction
Either or both the Front/Rear Terminals and Guard Terminal switches can be
locked out to prevent changing their settings. To do this, first remove all covers
from the 3458A. Then, remove the pushrods from the Front/Rear and Guard
switches. Next, place switch covers over the holes where the pushrods previously
protruded through. The switch covers are in the Front/Rear Terminal and Guard
Switch Lockout kit. Last, reinstall the instrument covers.
The following procedures are to be performed by qualified service-trained
WARNING
personnel only. To avoid personal injury, do not perform the procedures
unless you are qualified to do so.
420 Keysight 3458A User's Guide