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POWER SUPPLY
The unit is powered by either one 3.7V Rechargeable Li-
ion Battery or an optional type C AC adapter (5.0V/1A
output).
Battery Installation
1. Take of screw by a screw driver and remove battery
cover, located at the bottom-rear of the unit.
2. Install one 3.7V Rechargeable Li-ion Battery ensuring
the polarity is correct and the batteries are firmly
seated.
3. Re-install the cover.
Note…
When the battery voltage is low,
, appears on LCD and
an alarm sounds. Plug Type C cable on to charge battery till
the full power sign ,
, is shown.