177
Troubleshooting
Ap
pe
ndi
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Troubleshooting
If the Communication Terminal does not function correctly, check the following.
Symptom
Cause
Solution
The power is not
turned on.
The power switch is not set to on.
Set the power switch to on (page 24).
The batteries in the Remote
Commander are low or dead.
Replace the batteries with new ones
(page 22).
No sound or the
volume is very low.
The volume of the system is too
low.
Adjust the sound volume by pressing
the /– buttons on the
Remote Commander (page 27).
The volume of the TV monitor is
too low.
Adjust the volume of the TV monitor.
The microphone on the remote
party is turned off.
Ask the remote party to turn on the
microphone.
The microphone is not selected
properly.
Set up “MIC” properly for the
microphone to be used (page 41).
Audio input is not selected
properly.
Set up “AUDIO IN” properly (page
41).
The microphone or external
equipment is not connected
correctly.
Check the connection (pages 117, 120
and 125).
Picture is blurred.
Manual focus is selected but picture
remains blurred.
Adjust the focus (page 98).
When auto focus is selected, the
background is too bright, contrast is
too high, or the background or the
participants’ clothes contain fine
line patterns.
Select manual focus and adjust
manually (page 99).
No picture.
The selected picture source is not
turned on.
Turn on the selected video equipment.
Video input is not selected properly. Select the video input with the
VIDEO INPUT button (page 103).
The selected picture source is not
correctly connected to the system.
Check the connections (page 125).
Movement of the camera is
prevented.
Turn off the Communication
Terminal, then turn it on again.
No connection.
Wrong number was dialed.
Check the entered number.
The registered items in the Phone
Book are not correct.
Register the party correctly referring
to “Registering a Remote Party –
Phone Book” (page 60).
Some of the system settings are not
correct.
Set the system settings correctly
referring to “Registering Local
Information” (page 36).