Operation Manual

USB Jack
Left Side
5
CHARGING THE LITHIUM BATTERY
To charge the battery, connect the unit to the mini-USB port
and opposite end to a power source(5V DC/≥500mA, not
provided). While charging, the battery symbol shown on the
display “ ” moves from right to left, and stops when the
battery is full charged.
A computer with a USB jack can also be used as a power
source to charge the battery.
After installing the lithium battery, connect the unit and the
computer with the provided USB cable to charge the battery.
Note: 1. Please turn off the radio while charging the battery
to avoid interference. Do not turn on the unit when
the adaptor output current is less than 500mA.
2. After fully charging the battery, please first disconnect
the USB cable before turn on the radio.
3. Prior to first use, fully charge and drain the battery
three times to extend the battery’s life.
Caution: Do not use the unit when charged by PC, to avoid
damage to PC power.