Sonic KCS-5885Z, Operation Manual, Page: 10 / 114

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On the battery·electric cell exchange
In this instrument, a battery is used to have clock function. Perform exchange of a
battery periodically.
Be sure to change any expired batteries. If you leave a battery unchanged, there is
a risk of smoking and ignition.
<Target of exchange>
As to a battery, the target life is set to about two years as a standard. When the battery is
used under a high temperature, the life becomes shorter.
<Exchange method>
As to the exchange of a battery, make contact with our service staff.
Batteries are valuable and recyclable resources. In changing batteries and used
product disposal, cooperate in recycling.