BATTERY INSTALL AND REPLACEMENT
Loosen the 2 screws on the battery cover by a screwdriver.
1. Prepare 4 new coin cells of "AAA (Alkaline) Battery".
2. Install batteries in the battery cartridge.
3. Install cartridge in the wrench handle.
4. Cover the wrench handle with the battery cover.
5. Tighten the screws to fix the battery cover.
If doing the replacement, then do it reversely.
NOTE
1. When cell capacity is low, the digits on the display will be not clear.
2. Remove the batteries if stored for a long period of time.
3. Keep spare batteries on hand when going on a long trip or to cold areas.
4. Do not mix the type of batteries or combine used batteries with new ones.
5. Sweat, oil and water can prevent a batteries' terminal from making electrical
contact. To avoid this, wipe both terminals before loading a battery.
6. Battery life depends on battery quality and the amount of buzzer is used.
7. Dispose of batteries in a designated disposal area. Do not throw batteries into a
fire.
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