You should fully charge the battery before you use the device for the first time. Charging a fully depleted battery takes about 2 hours.
Lift the weather cap .
- Plug the small end of the power cable into the mini-USB port on the device.
- Plug the other end of the power cable into an appropriate power source.
The LCD display on the handheld device shows the current battery charge level. Charging is complete when the battery charge level icon stops flashing.