Traffic Security; Operating Environment - Huawei U.S. Cellular FT2260 User Manual

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 propane 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 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, and dirty places or places with

magnetic fields. Otherwise, it may result in a malfunction of the circuit.
On a stormy day with thunder, do not use your device, 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 the standby time are reduced.
Use accessories authorized by the manufacturer. Using unauthorized

accessories will render the warranty null and void.
Because the device needs to disperse heat during working, place the device

and the power supply in a ventilated and shady place. Never cover the device,
put objects on it, or place it near water, fire as well as inflammable and explosive
materials.
This device should be installed and operated with a minimum distance of 20 cm

between the antenna and all persons.
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