User guide

Appendix
42
Troubleshooting
AT&T DECT Headset does not appear in the audio devices
control panel on my PC.
Make sure you have turned on the headset.
Make sure you have correctly installed the headset and
headset base. Refer to your TL7910/TL7912 user’s manual for
more information.
I cannot see the headset mode, and the and icons are
always in grey on the bottom of AT&T Softphone Call Manager.
Make sure you have correctly installed the headset and
headset base. Refer to your TL7910/TL7912 user’s manual for
more information.
I can’t hear any audio.
Make sure you are in PC mode and the headset is charged.
Press the PHONE or PC button on the headset base to switch
between modes.
Slide the volume switch at the top of the headset towards VOL+
or VOL- to adjust the listening volume.
Adjust the volume in the audio settings of your PC.
Make sure you have set the audio settings correctly (page 3).
I hear noise or static when using the headset.
Try lowering the microphone volume by pressing
q VOLUME /MICROPHONE on the headset base or adjusting
the PC audio settings.
Try lowering the listening volume by sliding the volume switch
at the top of the headset towards VOL- or adjusting the PC
audio settings.
Move the microphone farther away from your mouth.
Adjust the Headset operating range (page 22) to a lower setting.
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