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SDGSDGSBATTERY INSTALLATION
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1. Press the indicator on the battery cover and slide the
cover off in the direction of the arrow.
2. Install 2 “AAA” size batteries so the + (positive)
and - (negative) polarities match the polarities of
the battery compartment as indicated.
3. Replace the battery cover.
BATTERY REPLACEMENT
All personal data set using a personal profile number is stored
in the memory during battery replacement.
Low Battery Indicator
When the Low Battery Indicator appears on the display screen remove
both worn batteries. Replace with two new batteries at the same time.
Long-life alkaline batteries are recommended.
HBF-306C Rev D 2/7/06 9:14 AM Page 12