Troubleshooting - Numan Drive Mode D'emploi

Problem
The device does not work
No sound
No sound in BT mode
Interfering noises

TROUBLESHOOTING

Possible cause
No power
Incorrect input source selected
Volume set too low
Incorrect connection
No BT connection
The device was not selected as the output
source.
BT connection is affected by another radio
device
System overload
Poor sound quality
35
Resolution
Make sure that the device is plugged in.
Check the function of the socket outlet
with another device.
Select the correct input source
Gradually increase the volume of the ampli-
fier and the mobile device
Check all cable connections
Establish a BT connection
Select the device as output source
Move the device to another location and
check the BT connection again.
Turn down the output level of the external
playback device.
Check the unit again by selecting a higher
quality source.