AT&T TL7800 User Manual page 39

Dect 6.0 accessory cordless headset
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Appendix
Troubleshooting
The battery does not charge.
Make sure that the battery is securely installed in the
cordless headset.
If the cordless headset is in its headset charger but the
on the headset does not turn on, refer to The
headset is off while charging on page 37.
Charge the battery in the cordless headset for at least three
hours. For optimum daily performance, return the cordless
headset to the headset charger when not in use.
You may need a new battery. Refer to the Battery installation
section on page 6.
Your headset might be defective. Refer to the Limited warranty
section on pages 45-47 for further instructions.
I cannot dial out.
Try all the suggestions above.
You may use a telephone on the same line to dial out. Once
you have dialed the number, you can press
If other phones in your home or office are having the same
problem, the problem is in your wiring or telephone service.
Contact your telephone service provider (charges may apply).
My cordless headset isn't performing normally.
Make sure the power cord is securely plugged into the headset
charger. Plug the unit into a different working electrical outlet
not controlled by a wall switch.
Move the cordless headset closer to the headset base or
telephone base. You might have moved out of range.
Reset the headset. Power off the headset and then power it on.
Other electronic products such as HAM radios and other DECT
phones can cause interference with your cordless headset. Try
installing your headset base or telephone base as far away as
possible from these types of electronic devices.
33
light
light on the
to join the call.

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