Warnings And Precautions - Huawei U8150-B User Manual

Warnings and Precautions

This section contains important information pertaining to the
operating instructions of your device. It also contains information
about how to use the device safely. Read this information carefully
before using your device.
Electronic Device
Power off your device if using the device is prohibited. Do not use the
device when using the device causes danger or interference with
electronic devices.
Medical Device
• Follow rules and regulations set forth by hospitals and health care
facilities. Do not use your device when using the device is
prohibited.
• Pacemaker manufacturers recommend that a minimum distance
of 15 cm be maintained between a device and a pacemaker to
prevent potential interference with the pacemaker. If you are
using a pacemaker, use the device on the opposite side of the
pacemaker and do not carry the device in your front pocket.
Potentially Explosive Atmosphere
Power off your device in any area with a potentially explosive
atmosphere, and comply with all signs and instructions. Areas that
may have potentially explosive atmospheres include the areas
where you would normally be advised to turn off your vehicle engine.
Triggering of sparks in such areas could cause an explosion or a fire,
resulting in bodily injuries or even deaths. Do not power on your
device at refueling points such as service stations. Comply with
restrictions on the use of radio equipment in fuel depots, storage,
and distribution areas, and chemical plants. In addition, adhere to
restrictions in areas where blasting operations are in progress.
Before using the device, watch out for areas that have potentially
explosive atmospheres that are often, but not always, clearly
marked. Such locations include areas below the deck on boats,
chemical transfer or storage facilities, and areas where the air
contains chemicals or particles such as grain, dust, or metal
powders. Ask the manufacturers of vehicles using liquefied