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1. Low battery icon will be displayed with power supply below 7.2V, please
timely change batteries and do as below:
2. Press OFF button to power off.
3. Use cross-shaped screwdriver to loosen one bolt away from the battery
cover and open it.
4. Replace old batteries with new ones and ensure right polarity is selected.
5. Close the battery cover and tighten the bolt.
6. Press ON button to check if the battery is successfully replaced, if not,
repeat operations from the second step.
7. Take the battery out if the mete is not in use for long time.
Tight
Loose
Battery cover
