38
Warnings and Precautions
•
Do not use your device while flying in an aircraft. Switch off your
device before boarding an aircraft. Using wireless devices in an
aircraft may be dangerous to the operation of the aircraft, disrupt the
wireless telephone network, and may be considered illegal.
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 –10
℃
and 45
℃
while the
device is being charged. Keep the ambient temperature between –10
℃
to 55
℃
for using the device powered by battery.