15
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 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.
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
the child play with your device or its accessories, which may
include parts that can be detached from the device, may be