18 English
Refer to the following tables when this unit does not function properly. If the problem you are
experiencing is not listed or the instruction does not solve, please contact the retailer or dealer who
you purchased the product from.
Troubleshooting
Q1: LED indicator does not light up
Problem
Cause
Remedy
The power is not turned on.
The USB cable is not connected properly.
Check that the USB cable is connected firmly.
Q2: Have an audio problem
Problem
Cause
Remedy
The audio from the other unit
cannot be heard.
The speakers are muted on this unit.
Turn off the speaker mute function.
The microphone is muted on the other unit.
–
The speaker volume is set to the minimum on
this unit.
Turn the speaker volume up.
The microphone sensitivity is set to the mini-
mum on the other unit.
–
The audio from this unit can-
not be heard on the other unit.
The microphone is muted on this unit.
Turn off the microphone mute function.
The speakers are muted on the other unit.
–
The microphone sensitivity is set to the mini-
mum on this unit.
Increase the microphone sensitivity.
The speaker volume is set to the minimum on
the other unit.
–
The unit generates feedback
noises or echoes.
Another microphone is connected.
Select this unit in the Audio settings of PC/Web
conference software.
An object is placed near this unit.
Avoid placing an object in front of the micro-
phones of this unit.
This unit is placed near the wall.
Move this unit away from the wall.
This unit is used in a room with high reverbera-
tion.
•
Place objects with high sound absorbance in
the room other than in front of the micro-
phones.
•
Turn the speaker volume down to reduce re-
verberations.
There is a problem with the equipment configu-
ration on another unit.
–
The unit generates noises.
A device that interferes with this unit is placed
near this unit.
Move this unit away from the device.
The audio is cracking.
The speaker volume is too high.
Turn the speaker volume down.
This unit does not work.
This unit is not recognized by the PC.
If you see "?" or "!" in the device manager, de-
lete the device and then reconnect the USB ca-
ble of this unit.
