Replacing The Batteries; Removing The Batteries - Keysight 53147A Operating And Programming Manual

Replacing the Batteries

Instruments equipped with the Battery option use sealed lead-acid VHS
camcorder batteries. You can obtain additional batteries of this type from Keysight
(Keysight P/N 53150-80010) and from other suppliers who carry test-equipment
and/or video-camera accessories.

Removing the Batteries

To remove the batteries, use the following procedure:
1 Turn off the instrument, and disconnect all external cables (including the
2 Turn the two thumb screws that secure the battery sled to the instrument's
The thumbscrews require a considerable amount of turning force, since they pull
NOTE
the battery sled partially out of the instrument and also extract the battery
terminals from the battery connector as you turn them. To prevent the battery
sled from binding and increasing the force necessary to turn the thumbscrews,
either turn both thumbscrews simultaneously, or alternately turn the
thumbscrews one-half turn each, until both thumbscrews are fully out of the
threaded holes in the back panel.
3 Slide the battery sled out the back of the instrument.
Avoid placing the battery sled and/or the batteries where the battery
CAUTION
terminals could contact any conductive surfaces.
4 Lift the terminal end of either or both batteries up out of the battery sled, and
Keysight 53147A/148A/149A Operating and Programming Guide
power cord).
back panel counterclockwise until both thumb screws are completely out of
the threaded holes in the back panel (see
then pull the battery(ies) out of the sled.
Using the Battery Option
Figure C-3).
C
295