Warnings And Precautions - Huawei ETS6630 Manual

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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.
• Some wireless devices may affect the performance of
hearing aids. For any such problems, consult your ser-
vice provider.
Potentially Explosive Atmosphere
Power off your device in any area with a potentially explo-
sive atmosphere, and comply with all signs and instruc-
tions. 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,
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resulting in bodily injuries or even deaths. Do not power
on your device at refueling points such as service sta-
tions. Comply with restrictions on the use of radio equip-
ment 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 petroleum gas (such as pro-
pane or butane) whether this device can be safely used in
their vicinity.
Traffic Security
• Do not use your device while driving, and observe the
local laws and regulations.
• Do not use your device while flying in an aircraft. Power
off your device before boarding an aircraft. Using wire-
less devices in an aircraft may cause danger to the
operation of the aircraft and disrupt the wireless tele-
phone network. It may also be considered illegal.
Operating Environment
• Do not use or charge the device in dusty, damp, and
dirty places or places with magnetic fields. Otherwise, it
may result in a malfunction of the circuit.