User`s guide

Troubleshooting 283
Synapse User’s Guide
Poor audio quality. Speech is
cutting out.
The Headset is almost out of
range or is experiencing
interference.
 You may be close to being out of range. Try moving closer
to the Deskset.
 Other electronic products can cause interference with
your Headset. Try installing the Deskset far away from
devices such as televisions, microwaves, or other cordless
devices.
 If the problem persists, check audio quality on the
Deskset. If the Deskset audio quality is poor, refer to
“Resolving Audio Echoes” on page 241 for solutions.
HEADSET key on Deskset
does not work.
Headset is in the charger or
powered down.
 Confirm that the Headset is out of its charger before you
press HEADSET.
 Confirm that the Headset has sufficient power. If the
Headset does not respond and the blue light does not
blink, the battery may have no charge. Place the Headset
in the charger for at least six hours.
MUTE key on the Deskset
does not mute the Headset.
MUTE keys on Deskset and
Headset operate separately.
 Only the MUTE key on the Headset mutes calls. The MUTE
key on the Deskset does not work with the Headset.
No dial tone. Headset cannot
communicate with Deskset.
 You may be out of range of the Deskset; move closer.
 Verify that the Deskset can make outside calls. If it cannot,
then consult “Deskset Troubleshooting” on page 262.
 At the Deskset, confirm that your Headset is registered to
the Deskset. Press MENU –> User Settings –> Cordless
Settings. If the Headset is registered, the screen displays
2. Headset (Registered).
Symptom Probable Cause Corrective Action Cordless Headset Troubleshooting