Issue
Possible Cause & Solution
Reference
Sound cuts out; I can hear
myself through the
speaker.
•
You are too far away from the microphone.
→
Try speaking closer to the microphone.
—
•
The environment is not suited to speakerphone calls.
→
Do not use the unit within 2 m (6.6 ft) of projectors, air
conditioning devices, fans, or other audible or electrical
noise emitting devices.
→
If using the unit in a room with windows, close the curtains
or blinds to prevent echoes.
→
Use the unit in a quiet environment.
—
•
The unit was moved during a call.
→
Do not move the unit while on a call.
—
•
Objects are obstructing the microphone.
→
Do not obstruct the unit during calls. Keep your hands, as
well as common objects such as folders, cups, and coffee
pots away from the unit during calls.
—
•
The other party is using a half-duplex speakerphone.
→
If the other party is using a half-duplex speakerphone,
sound may cut out occasionally during calls. For best
performance, the other party should use a full-duplex
speakerphone.
—
•
Just after a call begins, the unit may not have yet adjusted
itself to the call’s environment.
→
Just after a call begins, take turns with the other party
talking to each other. The unit will adjust itself in
accordance with the call environment so that both you and
the other party can hear each other as clearly as possible.
—
Phonebook List
Issue
Possible Cause & Solution
Reference
I cannot add or edit entries
to the phonebook list.
•
The phonebook list is full.
→
Delete any unnecessary entries. The maximum number of
entries in the phonebook list is 1,000.
90
Operating Instructions
Document Version 2014-11
Appendix
