Yamaha YVC-1000 User Manual - Page 33

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Yamaha YVC-1000 User Manual
Symptom
An echo or feedback is heard
on the other side.
Noises are heard.
Noises are heard on the other
side.
Sound cracking occurs.
Sound cracking occurs on the
other side.

Q3 Others

Symptom
The voice guidance is not
played back.
Cause
A microphone other than the product is
connected to a communication device.
The Control Unit is close to or far away
from the microphone.
An external speaker is close to or far away
from the microphone.
An external speaker with a high latency or
distortion is used.
A microphone is placed in the wall side.
An object is placed near a microphone.
The product is used in a room with a high
resonance.
There is a problem with the device
configuration or operating environment on
the other side.
There is a device that generates noise near
a microphone.
High noises are generated in the entire
space in which the product is installed.
The device connected to the audio input
terminal is set to the high output level.
The external speaker is set to the high
volume.
An external speaker with high distortion is
used.
The microphone sensitivity on the other
side is high.
The microphone is set to the high input
level.
The device connected to the audio output
terminal does not satisfy the line-level
input condition.
The speaker volume on the other side is
high.
The microphone sensitivity is high.
Cause
The voice guidance is disabled.
Action
Select the product in the communication
device settings. (→ page 13, 17)
Place all microphones 1 m to 20 m (3.3 ft
to 66 ft) away from the Control Unit.
(→ page 23)
Place external speakers 1 m to 20 m (3.3
to 66 ft) away from all microphones.
(→ page 24)
Replace with an external speaker that has
a low latency or distortion.
Place a microphone, avoiding the wall
side.
Do not place an object near a microphone
if possible.
• Place an object with high sound
absorbability in a room, avoiding the
front of the microphone.
• To reduce a resonance, turn down the
speaker volume. (→ page 29)
—
Keep the microphone away from any
noise sources.
If there is a device that generates noise,
turn its power off.
Decrease the output level of the connected
device.
Turn down the volume of the external
speaker. (→ page 29)
Replace with an external speaker that has
low distortion.
Reduce the microphone sensitivity on the
other side.
Take the microphone away from a
speaker.
Connect the device that satisfies the line-
level input condition.
Turn down the speaker volume on the
other side.
Reduce the microphone sensitivity.
(→ page 15, 18, 22)
Action
Enable the voice guidance. (→ page 27)
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