Huawei Technologies Co. Ltd E1756 用户手册
such as grain, dust, or metal powders. Ask the manufacturers of vehicles
using liquefied petroleum gas (such as propane or butane) whether this
device can be safely used in their vicinity.
Traffic Security
z
Observe local laws and regulations while using the device. To prevent
accidents, do not use your wireless device while driving.
z
RF signals may affect electronic systems of motor vehicles. For more
information, consult the vehicle manufacturer.
z
In a motor vehicle, do not place the device over the air bag or in the air
bag deployment area. Otherwise, the device may hurt you owing to the
strong force when the air bag inflates.
strong force when the air bag inflates.
z
Do not use your device while flying in an aircraft and 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
operation of the aircraft and disrupt the wireless telephone network. It
may also be considered illegal.
Operating Environment
z
Do not use the device in dusty, damp, and dirty places or places with
magnetic fields. Otherwise, it may result in malfunction of the circuit.
z
On a stormy day with thunder, do not use your device when it is being
charged, to prevent any danger caused by lightning.
charged, to prevent any danger caused by lightning.
z
While using the device, observe the local laws and regulations, and
respect others' privacy and legal rights.
Safety of Children
Comply with all precautions with regard to children's safety. Letting the
child play with your device or its accessories, which may include parts that
can be detached from the device, may be dangerous, as it may present a
choking hazard. Ensure that small children are kept away from the device
child play with your device or its accessories, which may include parts that
can be detached from the device, may be dangerous, as it may present a
choking hazard. Ensure that small children are kept away from the device
and accessories.
Accessories
Use the accessories delivered only by the manufacturer. Using accessories
of other manufacturers or vendors with this device model may invalidate
of other manufacturers or vendors with this device model may invalidate
any approval or warranty applicable to the device, result in the
non-operation of the device, and cause danger.
Cleaning and Maintenance
It is normal that your wireless device gets hot when you use or charge it.
Before you clean or maintain the wireless device, stop all applications and
Before you clean or maintain the wireless device, stop all applications and
disconnect the wireless device from your PC.
z
Use your wireless device and accessories with care and in a clean
environment. Keep the wireless device away from a fire or a lit cigarette.
z
Protect your wireless device and accessories from water and vapor, and
keep them dry.
z
Do not drop, throw, or bend your wireless device.
z
Clean your wireless device with a piece of damp and soft antistatic cloth.
Do not use any chemical detergent, powder, or other chemical agents
(such as alcohol and benzene) to clean the device.
z
Keep the ambient temperature between -10
℃ to +45℃ for using the
device.
Certification Information (SAR)
Your wireless device is a radio transmitter and receiver. It is designed not
to exceed the limits for exposure to radio waves recommended by
international guidelines. These guidelines are developed by the
independent scientific organization International Commission on
to exceed the limits for exposure to radio waves recommended by
international guidelines. These guidelines are developed by the
independent scientific organization International Commission on
Non-Ionizing Radiation Protection (ICNIRP) and include safety margins
designed to assure the protection of all persons, regardless of age and
health.
designed to assure the protection of all persons, regardless of age and
health.
The guidelines use a unit of measurement known as the Specific
Absorption Rate, or SAR. The SAR limit for wireless devices is 2.0
Absorption Rate, or SAR. The SAR limit for wireless devices is 2.0
watts/kilogram (W/kg) and the highest SAR value for this device when
tested complies with this limit.
tested complies with this limit.
Federal Communications Commission (FCC) Notice (United States):
Before a wireless device model is available for sale to the public, it must be
Before a wireless device model is available for sale to the public, it must be
tested and certified by the FCC that it does not exceed the limit established
by the government-adopted requirement for safe exposure.
The SAR limit adopted by the USA and Canada is 1.6 W/kg averaged over
one gram of tissue. The highest SAR value reported to the FCC for this
device type is compliant with this limit.
one gram of tissue. The highest SAR value reported to the FCC for this
device type is compliant with this limit.
Body Worn Operation
Important safety information regarding radiofrequency (RF) radiation
exposure is as follows:
z
To ensure compliance with RF exposure guidelines, the device must be
used with a minimum of 0.5cm distance from the body.
used with a minimum of 0.5cm distance from the body.
z
Failure to observe these instructions could result in your RF exposure
exceeding the relevant guideline limits.
FCC Statement
* This device should be installed and operated with a minimum distance of
20 cm between the radiator and your body when you use the device via a
USB cable.
20 cm between the radiator and your body when you use the device via a
USB cable.