ZTE MF920U Guide De Démarrage Rapide page 67

• B e aware of the usage limitation when using the device at
places such as oil warehouses or chemical factories, where
there are explosive gases or explosive products being
processed. Power off the device if necessary.
• D o not use electronic transmission devices in aircrafts, at
petrol stations or in hospitals. Observe and obey all warning
signs, and power off the device in these conditions.
• D o not touch the inner antenna area unless necessary.
Otherwise the performance of the device may be affected.
• D o 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.
• K eep the device out of the reach of small children. The device
may cause an injury if used as a toy.
• W hen the device is operating, do not touch the metallic parts.
Failing to do so may cause burns.
• U se original accessories or accessories that are authorized.
Using any unauthorized accessories may affect the
performance of the device and violate the related national
regulations about telecom terminals.
• A void using the device near or inside metallic constructions
or establishments that can emit electromagnetic waves,
because signal reception may be affected.
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