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Appendix
Troubleshooting
Nothing happens when I move the LIFTER AUDIO ADJUST switch.
• When the handset lifter is in use, make sure that
light on the TL7610/TL7612 headset base is on, or the CORDED
HANDSET CONNECTED switch is turned to YES on the TL7810/
TL7812/TL7910/TL7912 headset base. Press the MODE button
on the TL7610/TL7612 headset base, or the PHONE/PC button
on the TL7810/TL7812/TL7910/TL7912 headset base to change
the mode. Slide the
of the TL7610/TL7612 headset base from A to G, or the LIFTER
AUDIO ADJUST switch at the bottom of the TL7810/TL7812/
TL7910/TL7912 headset base from A to F until you obtain good
sound quality.
My headset is ringing even when there is no incoming call.
•
The sensitivity level of your ring detector may be too high. See
page 17 to adjust the sensitivity level.
•
The ring detector may detect a sound from the environment
and send a ring tone to the headset. See page 17 to turn off
the ring detector.
•
When you are using your telephone's speakerphone, the ring
detector may send a ring tone to the headset. If you do not
want the headset to ring, press the RING ON/OFF button to
turn the ring detector off. After the call, you can press the
RING ON/OFF button again to turn the ring detector back on.
Slide the LIFTER AUDIO ADJUST switch at the side
make sure that LIFTER MODE
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