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5.5 CH/Menu UP/Down Button
" CH / MENU UP" and "CH / MENU Down" are to change channels and in the menu entry mode,
it is select the UP / Down of the Menu.
5.6 EAR/MIC Jack
Accessory connector is used to connect external speaker Mic, and headset, etc.
Please close the cover when nothing is connected.
6. Charging the Battery
6.1 Safety Notes
1) The radio of XP-400D series receives power from high-performance Li-ion battery (XL-260).
XL-260 Battery is safe of high performance and highly reliable, and could be charged very fast.
The charging of the enclosed Radio on the other maker's charger will
cause damage on the battery and also, will cause a trouble on the Radio.
2) Please charge the battery before using the radio for best performance and safety.
3) When you charge the battery that is installed in the Radio, please turn off the radio first to charge
the battery.
The continuous rapid discharge (for example, when making a short circuit
on the '+' terminal of battery by a metal substance) may make a fatal defect
and the battery can be exploded. Also, it can cause a fire.
6.2 Charging time
Low battery voltage maybe cause to reduce communication coverage and also make the
performance worse. Please charge the battery in case of following:
1) When you think that the performance of the radio has degradation.
2) The red lamp on RX/TX LED blinks. (every 0.5 second), during transmission or reception.
3) When the battery icon is blinks
4) While the radio is in use, "beep" sounds.
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