Operating Environment; Prevention Of Hearing Damage - Huawei G3510 Manual

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
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
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.
X cm away from your body to
24
X cm from