Keysight Technologies 3458A Guide D'utilisation page 425

Procedure to Lock Out Front/Rear Terminals and Guard Terminal Switches
Guard pushrod removal procedure
If you DO NOT wish to lockout the Guard switch, continue with the next
paragraph.
1 Refer to
2 Refer to
3 Refer to
Front/Rear pushrod removal procedure
If you DO NOT wish to lockout the Front/Rear Terminal switch. continue with the
next paragraph.
1 Refer to
2 Use the #TX10 Torx driver to remove the top shield screw. Then remove the
Keysight 3458A User's Guide
Figure C-5. Use the #TX 10 Torx driver to remove the bottom shield
screw. Then remove the shield. Pull the shield toward the rear of the
instrument until the shield retainers line up with the slots in the shield. Lift the
shield off.
Figure C-6, Locate the pushrod for the Guard switch. Pull the pushrod
off. You may need to pry the pushrod loose with a small flat blade screwdriver.
Set the switch in the position it is to be used.
Figure C-5. Replace the bottom shield. Line up the slots on the shield
with the shield retainers. Then push the shield toward the front of the
instrument until the shield screw hole lines up with the screw hole in the
chassis. Use the #TX 10 Torx driver to reinstall the shield screw.
Figure C-7. Turn the instrument over so its bottom sits on your work
bench.
shield. Pull the shield toward the rear of the instrument until the shield
retainers line up with the slots in the shield. Lift the shield off.
C
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