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Chapter 2 53
Operating Overview
Replacing Batteries
Replacing Batteries
There are two methods by which the Test Set backs up its RAM. One is
a set of two AA batteries mounted behind the rear panel of the Test Set.
You must periodically change these batteries. The second method of
RAM backup is an internal battery. It 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 cover.
4. Replace the AA batteries.
5. Replace and reconnect the rear panel. Dispose of used batteries
properly.
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