Radio-shack EC-252 User Manual download pdf (Page 23)

23

REPLACING THE BATTERY

Although your calculator uses solar power

most of the time, the backup battery will

eventually become weak and need replac-

ing. If the display speed slows down in a

dimly-lit room, replace the battery with a

389A-type button-cell battery (RadioShack

Cat. No. 23-117).

Caution: Use only a fresh battery of the re-

quired size and type.

Follow these steps to replace the battery.

1. Use a small Phillips screwdriver and

remove the two screws from the lower

case.

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