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Chapter 3 75
Operating Overview
Replacing Batteries
Replacing Batteries
Test Set backs up its RAM using two battery types.
One type is a set of two AA batteries mounted inside the rear panel of
the Test Set. You must periodically change these batteries.
The second type of RAM backup battery is not user serviceable.
CAUTION
Failure to take prompt action may result in loss of RAM data including
IBASIC programs and SAVE / RECALL states stored in the RAM.
NOTE
Do not use rechargeable batteries.
To change the AA batteries, use the following procedure:
1. Turn off power and unplug the Test Set.
2. Remove the six screws in the rear panel using a TX-15 TORX (R)
screwdriver.
3. Remove the rear panel.
4. Replace the AA batteries as indicated in the battery holder.
5. Replace the rear panel. Dispose of used batteries properly.