Huawei Technologies Co. Ltd U1280-5 Manuale Utente
33
Operating Environment
may hurt you owing to the strong force when the air bag
inflates.
inflates.
•
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.
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 or dirty
places or places with magnetic fields. Otherwise, it may
result in a malfunction of the circuit.
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.
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.
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.
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.
regulations, and respect others' privacy and legal rights.
•
Keep the ambient temperature between -10 ℃ and 45 ℃
while the device is being charged. Keep the ambient
temperature between -10 ℃ to 55 ℃ for using the device
powered by battery.
while the device is being charged. Keep the ambient
temperature between -10 ℃ to 55 ℃ for using the device
powered by battery.