User`s guide

Troubleshooting 127
Syn248 SB35031 Deskset User’s Guide Back to Contents
A buzzing sound on my cordless headset.
Unable to deregister headset.
Probable Cause Corrective Action
Noise interference.  Move the headset at least 12 inches (30 cm) away
from the Deskset.
 Other electronic products can cause interference
with your cordless headset. Try using your
headset as far away from these types of
electronic devices as possible: television sets,
microwaves, or other cordless telephones.
Probable Cause Corrective Action
The Deskset is unavailable
(powered off, out of range, or
removed from the system).
 Deregister the headset at the headset. On a
TL7600 model headset, press: VOL+ –> MUTE –>
VOL– –> MUTE –> VOL+ –> VOL– –> MUTE.
On a TL7800 model headset, press: VOL+ –>
–> VOL– –> –> VOL+ –> VOL– –> .
You cannot identify or locate
the Deskset that the headset
is registered to.
 If the headset is registered to an unknown
Deskset which has AC power, you must carry the
headset out of range of the Deskset and perform
the deregistration sequence described above.
You will know when the headset is out of range
when you press ON/OFF and you hear three
beeps and no dial tone.