40
Keep the radio turnned off during charging.
Do not use the radio during charging.
Charge the battery under the temperature from 0
℃
to 45
℃
.
When the low battery alert occurs, replace or charge the battery in time.
When the battery is fully charged, disconnect the charger in time.
Do not drop the battery by force.
Do not make the battery wet.
To avoid short circuit, do not use the conductive substance such as iron wire to touch the anode and cathode of
the battery.
10.3 Cleaning
It is recommended to clean the radio regularly. During cleaning, you can check whether the components are
damaged. If damages exist, contact your local dealer or the Company.
Use the non-metal brush to clean up the dust or dirt on the radio surface.
Use the lint-free cloth with proper neutral cleanser to clean the surface, screen, keys, knobs, and interfaces.
Use another lint-free cloth with proper pure water to clean up the cleanser or residue.
When cleaning the battery slot, use the non-metal brush to clean up the dust and dirt in the slot, and then use
the dry and soft lint-free cloth to clean the contacts.
10.4 Sterilizing
Turn off the radio and remove the battery before sterilizing.
Turn off the radio and remove the battery before cleaning.
Ensure no external devices are connected to the radio.
Do not use chemical preparations such as stain removers, alcohol, sprays, or oil preparations.
Do not directly spray the neutral cleanser on the radio.
Do not use the radio before it is fully dry.
After cleaning the accessory connector , put the cover back in place.
