Charging the Handheld Device
To prevent corrosion, thoroughly dry the USB port, the weather cap, and the surrounding area before charging or connecting to a computer.
NOTE:
The device does not charge when it is outside the approved temperature range
(Alpha Handheld Device Specifications).
You should fully charge the battery before you use the device for the first time. Charging a fully depleted battery takes about 4 hours.
-
Lift the weather cap
.
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Plug the small end of the power cable into the USB port
on the device.
The LCD display on the handheld device shows the current battery charge level.