AT&T Z431 - Manual (Page 32)

• Do not try to make a call while the temperature of the battery is above 113°F
(45°C).
• Take care not to put your handset in your back pocket and then sit on it. Also,
do not put your phone at the bottom of a bag where it may be subjected to
excessive weight or pressure. Doing so may damage the LCD and camera lens.
• The operation of some medical electronic devices, such as hearing aids and
pacemakers, may be affected if a handset is used in close proximity with them.
Observe any warnings and recommendations from the manufacturer of any
such device.
• Do not leave the handset discharged or without a battery for a long time;
otherwise, data may be erased.
• Your phone contains metal; individuals with certain conditions have been known
to develop an itch, rash, or eczema from exposure to certain metals.
CTIA Requirements
• Do not disassemble or open, crush, bend or deform, puncture or shred.
• Do not modify or remanufacture, attempt to insert foreign objects into the
battery, immerse or expose to water or other liquids, expose to fire, explosion, or
other hazards.
• Only use the battery in the system for which it is specified.
• Do not short-circuit a battery or allow metallic conductive objects to contact
battery terminals.
• Replace the battery only with another battery that has been approved for the
device per this standard: IEEE-Std-1725-2006. Use of an unapproved battery
may present the risk of fire, explosion, leakage, or other hazard.
• Promptly dispose of used batteries in accordance with local regulations.
56 Care and Maintenance
• Battery usage by children should be supervised.
• Avoid dropping the phone or battery. If the device or battery is dropped,
especially on a hard surface, take it to a service center for inspection.
• Improper battery use may result in a fire, explosion, or other hazard.
• For devices that utilize a USB port as a charging source, the device’s user manual
shall include a statement to the effect that the phone shall only be connected
to CTIA certified adapters, products that bear the USB-IF logo, or products that
have completed the USB-IF compliance program.
Aircraft Safety
• When traveling by air, power off your phone prior to takeoff.
• Obey all posted signs and crew instructions regarding the use of mobile phones
on the aircraft.
• Be sure to check the alarm settings to ensure that the phone will not
automatically power on during the flight.
Hospital Safety
• Switch off your phone and remove the battery in areas where the use of mobile
phones is prohibited.
• Follow all instructions regarding the use of handsets in a medical facility.
57 Care and Maintenance