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.
The device complies with the RF specifications when the device is used near your ear or at a distance
of 1.5 cm from your body. Ensure that the device accessories such as a device case and a device
holster are not composed of metal components. Keep your device 1.5 cm away from your body to
meet the requirement earlier mentioned.
On a stormy day with thunder, do not use your device when it is being charged, 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.
While using the device, observe the local laws and regulations, and respect others’ privacy and legal
rights.
Keep the ambient temperature between 0°C and 40°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.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To reduce the risk of damage to hearing,
lower the headset volume to a safe and comfortable level.
Safety of Children
Comply with all precautions with regard to children’s safety. Letting a 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
Choose only batteries, chargers, and accessories supplied for use with this model by the device
manufacturer. The use of any other type of battery, charger, or accessory may invalidate any warranty
for the device, may be in violation of local rules or laws, and may be dangerous. Please contact your
dealer for information about the availability of approved batteries, chargers, and accessories in your
area.
Battery and Charger
Unplug the charger from the electrical plug and the device when not in use.
The battery can be charged and discharged hundreds of times before it eventually wears out. When
the standby time and the talk time are shorter than the normal time, replace the battery.
Use the AC power supply defined in the specifications of the charger. An improper power voltage may
cause a fire or a malfunction of the charger.
