Operating Environment - Huawei U1250-9 User Manual

Operating Environment

may hurt you owing to the strong force when the air bag
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.
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.
•
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 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 ℃ to 45 ℃ for using the device
powered by battery.
32