Yamaha YVC-331 Manuel De L'utilisateur page 24

Before contacting Yamaha
Read this manual to check whether the problem can be resolved.
If the problem still continues, please contact the retailer or dealer who you purchased the product from.
Q1 An indicator is off or flashing
Symptom
The product looks
turned off.
You cannot hear the
remote party.
An error occurred (if
the microphone
indicator is flashing red
at high speed).
Q2 Audio quality issues
Symptom
You cannot hear the
remote party.
You cannot hear the
remote party.
Troubleshooting
Cause
The USB cable is disconnected (if all
the indicators are off).
The product has not started up yet (if
the lights are moving back and forth on
the volume level indicator).
The product is in setup mode (if the
microphone indicator is flashing white).
Two parent devices are connected with a
daisy chain connection (if only the leftmost
volume level indicator lights up green).
A firmware update failed (if only the
second volume level indicator from the left
lights up green).
A software or hardware failure occurred (if
the volume level indicator lights up green
in any other pattern).
Cause
The speaker is muted.
The speaker volume is set to the
minimum.
On the PC or Mac connected via USB,
a speaker other than YVC-331 is
selected for the call application.
The microphone on the remote party is
muted.
The microphone sensitivity on the
remote party is set to the minimum.
YVC-331 User's Manual
Action
Make sure that you securely
connect the USB cable to the
PC or Mac.
(→Page 13, Page 17)
Wait for the product to start
up. (→Page 9)
Exit the setup mode.
(→Page 21)
Choose which device will
work as a parent device.
(→Page 18)
Retry the firmware update.
Make a request to repair the
product.
Action
Unmute the speaker.
(→Page 20)
Turn up the speaker.
(→Page 20)
Select YVC-331 in the
speaker device settings of the
call application.
Ask the remote party to
unmute their microphone.
Ask the remote party to
increase the microphone
sensitivity.
23