Yamaha YVC-1000MS, Руководство пользователя

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YVC-1000MS User's Manual
43
An echo or feedback is heard
in the remote location. A microphone other than the product is
connected to a communication device. Select the product in the communication
device settings. (
→
page 14, 18)
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.
(
→
page 25)
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.
(
→
page 27)
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. (
→
page 32)
Noises are heard. There is a problem with the device
configuration or operating environment in
the remote location.
—
Noises are heard in the remote
location. 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
terminals 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. (
→
page 32)
An external speaker with high distortion is
used. Replace with an external speaker that has
low distortion.
The microphone sensitivity in the remote
location is high. Reduce the microphone sensitivity in the
remote location.
Sound cracking occurs in the
remote location. The microphone is set to the high input
level. Take the microphone away from a
speaker.
The device connected to the audio output
terminals does not satisfy the line-level
input condition. Connect the device that satisfies the line-
level input condition.
The speaker volume in the remote location
is high. Turn down the speaker volume in the
remote location.
If a device is connected to the audio
output terminals, the audio output volume
is high. Turn down the audio output volume.
(
→
page 40)
If a PC or a Mac is connected using the
USB cable, its microphone sensitivity is
high. Reduce the microphone sensitivity.
(
→
page 16, 19)
Symptom Cause Action