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Ensure no external devices are connected to the radio.
Do not directly spray the alcohol on the radio.
Keep the radio away from the power supply and fire.
Do not use the radio before it is fully dry.
After sterilizing the accessory connector, put the cover back in place.
It is recommended to sterilize the radio regularly. You can sterilize the radio by the following tips:
Use the lint-free cloth with proper rubbing alcohol (density
≥ 70%) to clean the radio surface, screen, keys, knobs,
and interfaces.
10.5 Storing
Turn off the radio and remove the battery before storage.
Ensure no external devices are connected to the radio.
When storing the radio, follow the tips below:
Keep the radio in the well-ventilated place with the temperature from –5
℃
to 25
℃
and with the humidity from
45% to 75%.
Keep the radio away from the acidic and corrosive substances.
Keep the radio away from the fire or other heat sources.
Do not store the radio in direct sunlight.
During storing, charge the battery once every three months, and care the battery once every six months.