User`s manual

31
Referring to this manual, check whether the detected problem can be resolved. If the problem recurs, please contact
the retailer or dealer who you purchased the product from.
Troubleshooting
Before inquiry
Q1 A button or indicator is turned off or flashing
Symptom Cause Action
The power button ( ) is
turned off.
• The power cable has been unplugged.
• The power cable is not plugged in
securely.
Securely connect the power cable to an
outlet or the Control Unit. (→ page 10)
The power button ( ) is
flashing red.
The product is damaged. Request to repair the product.
The power button ( ) is lit
up orange.
The product firmware is damaged.
(The power button is flashing orange
during a firmware update.)
Request to repair the product.
The Bluetooth ( ) button is
not lit.
The Bluetooth function is disabled. Enable the Bluetooth function.
(→ page 30)
Q2 There is a problem with the audio quality
Symptom Cause Action
No incoming sounds are output
from the speaker.
The speaker volume is set to the
minimum.
Turn up the speaker volume.
(→ page 29)
When only the external speakers are
enabled, they are not connected.
Correctly connect the external speakers.
(→ page 24)
Microphone muting is enabled on the
other side.
Disable microphone muting on the other
side.
The microphone sensitivity on the other
side is set to the minimum.
Increase the microphone sensitivity on the
other side.
No sounds are output on the
other side.
Microphone muting is enabled. Disable microphone muting.
(→ page 29)
The microphone sensitivity is set to the
minimum.
Increase the microphone sensitivity.
(→ page 15, 18, 22)
The speaker volume on the other side is
set to the minimum.
Turn up the speaker volume on the other
side.
An echo is heard. There is a problem with the device
configuration or operating environment on
the other side.
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