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Trouble Shooting
4-1
How to Replace a Battery
Open the cover of the main body
Replace the battery
Voice guide Low battery, please replace batteries
When the product is being used and the battery needs to be replaced, the battery change LED light on the lower left will illuminate if the keypad is touched.
Unfasten the screw on the battery cover
by turning counterclockwise, and then
pull it forward to open the cover.
Replace all 4 batteries with the correct direction as shown in the picture (AA 1.5V alkaline
battery)
If the battery polarity (+ -) is incorrectly inserted, the product will not work.
Replace batteries with brand new alkaline batteries. (do not mix for use)
If you hear the battery change voice guide, replace batteries with new ones as soon as possible.
The product will stop working suddenly if batteries are not changed when you hear the voice guide reminder to
change battery.
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