AT&T WF721 Cell Phone User Manual


 
Safety Instructions
•   Some electronic devices are susceptible to electromagnetic 
interference sent by devices that may not be adequately shielded.
For best performance, position the Wireless Home Phone base
as far from these types of devices (TV sets, radios and other
automated office equipment) as possible (at least 8 feet) so as to
avoid possible electromagnetic interference.
•   Do not use the device in hospitals. 
•   Do not use the device on board aircraft.
• 
Operating of the device may interfere with medical devices like hearing
aids and pacemakers. Consult a physician or the manufacturer of the
medical device before using.
•   Be aware of usage limitations when using the device at places such 
as oil warehouses or chemical factories, where there are explosive
gases or explosive products being processed. Even if your terminal
is in idle state, it still transmits radio frequency (RF) energy.
•   Keep the antenna free from obstructions and position the antenna 
straight up. This will ensure best call quality.
•   Please put the device in a safe place. The device may cause injury if 
used as a toy by children.
•   Do not put other things on the terminal to avoid overheating.
•   Please use original accessories or accessories that are approved by 
vendor. Using any unapproved accessories may affect your device’s
performance, damage your terminal, or even cause danger to you
and violate related national regulations about telecom terminals.
30 Safety Instructions 31
Safety Instructions
•   Because the device can produce an electromagnetic eld, do not 
place it near magnetic items such as computer disks.
•   Do not expose the device to direct sunlight or store it in hot areas. 
High temperatures can shorten the life of electronic devices.
•  Prevent liquids from leaking into the device.
•   Do not attempt to disassemble the device by yourself. Non-expert 
handling of the device may cause bodily injury or device damage.
•   Do not install or remove the SIM card when the power is on.