Yamaha YVC-1000 User manual - page 33
32
An echo or feedback is heard
on the other side.
A microphone other than the product is
connected to a communication device.
Select the product in the communication
device settings. (
→
The Control Unit is close to or far away
from the microphone.
Place all microphones 1 m to 20 m (3.3 ft
to 66 ft) away from the Control Unit.
(
→
An external speaker is close to or far away
from the microphone.
Place external speakers 1 m to 20 m (3.3
to 66 ft) away from all microphones.
(
→
An external speaker with a high latency or
distortion is used.
Replace with an external speaker that has
a low latency or distortion.
A microphone is placed in the wall side.
Place a microphone, avoiding the wall
side.
An object is placed near a microphone.
Do not place an object near a microphone
if possible.
The product is used in a room with a high
resonance.
•
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. (
→
Noises are heard.
There is a problem with the device
configuration or operating environment on
the other side.
—
Noises are heard on the other
side.
There is a device that generates noise near
a microphone.
Keep the microphone away from any
noise sources.
High noises are generated in the entire
space in which the product is installed.
If there is a device that generates noise,
turn its power off.
Sound cracking occurs.
The device connected to the audio input
terminal is set to the high output level.
Decrease the output level of the connected
device.
The external speaker is set to the high
volume.
Turn down the volume of the external
speaker. (
→
An external speaker with high distortion is
used.
Replace with an external speaker that has
low distortion.
The microphone sensitivity on the other
side is high.
Reduce the microphone sensitivity on the
other side.
Sound cracking occurs on the
other side.
The microphone is set to the high input
level.
Take the microphone away from a
speaker.
The device connected to the audio output
terminal does not satisfy the line-level
input condition.
Connect the device that satisfies the line-
level input condition.
The speaker volume on the other side is
high.
Turn down the speaker volume on the
other side.
The microphone sensitivity is high.
Reduce the microphone sensitivity.
(
→
Q3 Others
Symptom
Cause
Action
The voice guidance is not
played back.
The voice guidance is disabled.
Enable the voice guidance. (
→
Symptom
Cause
Action