ZTE Corporation EUFI891 用户手册
vehicle problems caused by the radio transmitter in the device, consult your dealer and do
not switch on the device until your device has been checked by a qualified technician.
not switch on the device until your device has been checked by a qualified technician.
Device Heating
Do not use the device in an enclosed environment or where heat dissipation is poor. Prolonged
work in such space may cause excessive heat and raise ambient temperature, which may lead to
automatic shutdown of the device for your safety. In the case of such event, cool the device in a
well-ventilated place before turning on for normal use.
work in such space may cause excessive heat and raise ambient temperature, which may lead to
automatic shutdown of the device for your safety. In the case of such event, cool the device in a
well-ventilated place before turning on for normal use.
Faulty and Damaged Products
Do not attempt to disassemble the device or its accessory.
Only qualified personnel must service or repair the device or its accessory.
If your device or its accessory has been submerged in water, punctured, or subjected to a
severe fall, do not use it until you have taken it to be checked at an authorized service centre.
Explosive environments
Petrol stations and explosive atmospheres
In locations with potentially explosive atmospheres, obey all posted signs to turn off wireless
mobile phones such as your phone or other radio equipment.
Areas with potentially explosive atmospheres include fuelling areas, below decks on boats,
fuel or chemical transfer or storage facilities, areas where the air contains chemicals or
particles, such as grain, dust, or metal powders.
particles, such as grain, dust, or metal powders.
Blasting Caps and Areas
Turn off your mobile phone or wireless device when in a blasting area or in areas posted turn off
“two-way radios” or “electronic devices” to avoid interfering with blasting operations.
Vehicles Equipped with an Airbag
An airbag inflates with great force. Do not place objects, including either installed or portable
wireless equipment, in the area over the airbag or in the airbag deployment area. If in-vehicle
wireless equipment is improperly installed and the airbag inflates, serious injury could result.
wireless equipment, in the area over the airbag or in the airbag deployment area. If in-vehicle
wireless equipment is improperly installed and the airbag inflates, serious injury could result.
Third Party Equipment
The use of third party equipment, cables or accessories, not made or authorized by ZTE, may
invalidate the warranty of the device and also adversely affect the devic
invalidate the warranty of the device and also adversely affect the devic
e’s operation. For
example, use only the ZTE charger supplied with the device.
Efficient Use
For optimum performance with minimum power consumption, do not cover the device with
anything. Covering the device may cause the device to operate at higher power levels than
needed, and may shorten the using time of the battery.
anything. Covering the device may cause the device to operate at higher power levels than
needed, and may shorten the using time of the battery.
Radio Frequency (RF) Exposure
This device meets the government
’s requirements for exposure to radio waves.
This device is designed and manufactured not to exceed the emission limits for exposure to radio
frequency (RF) energy set by the Federal Communications Commission of the U.S. Government.
frequency (RF) energy set by the Federal Communications Commission of the U.S. Government.