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Low Battery Message; Battery Precautions - Casio SF-4990 User Manual

Casio pda user's guide sf-4990, sf-6990, sf-7990
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PART 1 Getting Started

Low Battery Message

A message appears on the display to warn you when the batteries power drops
below a certain level. Should battery power drop too low, data in memory may be
corrupted or lost. Whenever a low battery power message appears on the
display, be sure to stop operation of the SF Unit and replace batteries as soon
as possible.
Important!
Whenever the message "WEAK BATTERIES! CONSULT YOUR USER'S
GUIDE IMMEDIATELY!" appears, be sure to replace all batteries.
The low battery message may appear even when battery power is not low if
you turn on the EL backlight under cold conditions. We recommend that you
do not use the EL backlight under cold conditions.
Actual battery life is affected by a variety of factors including battery
manufacturer, the amount of time batteries spend in storage before you use
them, and the temperature of the location where you are using the SF unit.

Battery Precautions

Incorrectly using batteries can cause them to burst or leak, possibly damaging
the interior of the SF Unit. Note the following precautions.
Be sure that the positive (+) side of each
battery is facing up (so you can see it).
Never mix batteries of different types.
Never mix old batteries and new ones.
16
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This manual is also suitable for:

Sf-6990Sf-7990