15
Troubleshooting
Symptom
Possible Problem
Solution
DC IN jack
Ensure all are connected firmly
Power switch ON/ OFF
position
Ensure the switch is in "ON"
mode
Powered but
not respond
Needs to reset machine
Turn off the unit then turn on
again
Microphone
Volume too low
Adjust Microphone
volume setting
Set the microphone volume
higher especially when recording
No Power
General
Power outlet
power adaptor
Not reading
No files or wrong format
file on your USB
Download the files to your device
and try different format if necessary
No function at all
wrong format or been
used too long time
Backup your files on your computer
and format the USB
Play USB
Not pairing
In the wrong mode
Set to Bluetooth mode
Music too low
Volume setting too low
on your smart device
Turn both volumes up on your smart
device and the machine
Bluetooth
Unit in the wrong mode
Select the correct mode
Содержание GQ450
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