Operating Environment; Preventing Hearing Damage - Huawei G5760 User Manual

Operating Environment

Do not use or charge the device in dusty, damp or dirty

places or places with magnetic fields. Otherwise, the circuit
may not function properly.
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 thunder and stormy day, 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 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℃ and 45℃ while

the device is being charged. Keep the ambient temperature
between -10℃ to 55℃ for using the device powered by
battery.

Preventing Hearing Damage

Listening to a headset at high volumes can damage your
hearing. Use only the minimum volume setting necessary to
hear your conversation or music.