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used in their vicinity.
Traffic Security
Do not use your device while driving, and observe the local laws and regulations.
Do not use your device while flying in an aircraft. Power off your device before boarding an aircraft.
Using wireless devices in an aircraft may cause danger to the operation of the aircraft and disrupt
the wireless telephone network. It may also be considered illegal.
Operating Environment
Do not use or charge the device in dusty, damp, and dirty places or places with magnetic fields.
Otherwise, it may result in a malfunction of the circuit.
On a stormy day with thunder, do not use your device, to prevent any danger caused by lightning.
When you are on a call, do not touch the antenna. Touching the antenna affects the call quality and
results in increase in power consumption. As a result, the talk time and the standby time are
reduced.
Use accessories authorized by the manufacturer. Using unauthorized accessories will render the
warranty null and void.
Because the device needs to disperse heat during working, place the device and the power supply
in a ventilated and shady place. Never cover the device, put objects on it, or place it near water, fire
as well as inflammable and explosive materials.
The antenna(s) used for this transmitter must be installed by keeping a minimum distance of 20 cm
from all persons.
Keep the ambient temperature between -10°C and 45°C while the device is being charged. Keep
the ambient temperature between -10°C to 55°C for using the device powered by a battery.
Safety of Children
Comply with all precautions with regard to children's safety. Letting the child play with your device or
its accessories, which may include parts that can be detached from the device, may be dangerous, as
it may present a choking hazard. Ensure that small children are kept away from the device and
accessories.
Accessories
Use the accessories delivered only by the manufacturer. Using accessories of other manufacturers or
vendors with this device model may invalidate any approval or warranty applicable to the device,
result in the non-operation of the device, and cause danger.
Battery and Charger
Unplug the charger from the electrical plug and the device when not in use.
Do not connect two poles of the battery with conductors, such as metal materials, keys, or
jewelries. Otherwise, the battery may be short-circuited and may cause injuries and burns on your
body.
Do not disassemble the battery or solder the battery poles. Otherwise, it may lead to electrolyte
leakage, overheating, fire, or explosion.
If battery electrolyte leaks out, ensure that the electrolyte does not touch your skin and eyes. When
the electrolyte touches your skin or splashes into your eyes, wash your eyes with clean water
immediately and consult a doctor.
If there is a case of battery deformation, color change, or abnormal heating while you charge or
store the battery, remove the battery immediately and stop using it. Otherwise, it may lead to
battery leakage, overheating, explosion, or fire.
If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens,
stop using the cable at once. Otherwise, it may lead to an electric shock, a short circuit of the
charger, or a fire.
Do not dispose of batteries in fire as they may explode. Batteries may also explode if damaged.
