BATTERY INSTALLATION
NOTE:
If it is not placed horizontally, incorrect measurement may occur.
About the battery
(1)If the display shows 
Please replace the battery.
it means the battery is running out.
(2)The battery is one 3V lithium battery.
(3)
sign may not appear when old battery is used.
(4)Battery life is approximately 1 year (measured 4 times a day).
(5)Remove the battery when not using the unit for a long time. If the unit with the installed battery is not used for long time, it may cause battery leakage and product failure.
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