Zte SPRO Quick Start Manual page 35

Medical Equipment
Switch off your wireless device when requested to do so in hospitals, clinics
or health care facilities. These requests are designed to prevent possible
interference with sensitive medical equipment.
Aircraft
Switch off your wireless device whenever you are instructed to do so by
airport or airline staff.
Consult the airline staff about the use of wireless devices on board the
aircraft.
Interference in Vehicles
Please note that because of possible interference to electronic equipment,
some vehicle manufacturers may forbid the use of your device in their
vehicles.
Explosive Environments
Gas Stations and Explosive Atmospheres
In locations with potentially explosive atmospheres, obey all posted signs
to turn off wireless devices such as the Spro 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.
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