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1. Open battery cover.
2. Insert battery cells, make sure the polarity is correct.
3. Close the battery cover.
If doing the replacement, then do it reversely.
LOW VOLTAGE NOTIFICATION
It will display a low battery symbol in the upper right corner of the LCD display when
the battery voltage drops below 2.3 volts, and it will shut off after several seconds.
NOTE
1. Remove the batteries if stored for a long period of time.
2. Keep spare batteries on hand when going on a long trip or to cold areas.
3. Do not mix the type of batteries or combine used batteries with new ones.
4. Sweat, oil and water can prevent a batteries' terminal from making electrical
contact. To avoid this, wipe both terminals before loading a battery.
5. Battery life depends on battery quality and the amount of buzzer is used.
6. Dispose of batteries in a designated disposal area. Do not throw batteries into a
fire.
WARNING
side shields. Always remove battery pack before changing accessories or making
adjustments.
PRODUCT FUNCTIONS
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OPERATION
To reduce the risk of injury, wear safety goggles or glasses with
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