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.
—
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 500 for the KX-UT123/
KX-UT133/KX-UT136 and 100 for the KX-UT113.
Page 35
76
Operating Instructions
Document Version 2011-09
Appendix