AT&T WF721 Cell Phone User Manual


 
Install the Back-up Battery
Remove the cover from the battery compartment.
Insert the back-up battery and replace the cover.
Notes:
•  The back-up battery is intended for back-up purposes and must
be installed for your Wireless Home Phone base to operate. It
may take five (5) hours to fully charge (battery will charge inside the
device while connected to a power supply).
•  
Charge time may be impacted by environmental factors, and the
battery will stop charging when the ambient temperature is outside of
the temperature range allowed for charging (32 °F – 131 °F).
•  Remove the back-up battery if the device will be unused for a long 
period of time to avoid possible damage.
Turn on Your Device
Plug the power cord into an electrical wall outlet that is not
controlled by a wall switch.
Insert the small end of the power cord into the round Power Input
port on the back of your Wireless Home Phone base.
Slide the On/Off switch to the On position.
Check the Wireless Signal
Raise the antenna to an upright position and check the signal
strength.
More green bars indicate a stronger signal. Your device can be
relocated in your home for best performance.
7
On/Off
6 Getting Started Getting Started
Signal
Strength