
20
No power
y
The battery is discharged. Recharge
the battery.
y
Connect the unit to the power
supply with the AC adapter.
No sound or sound distortion
y
The unit or your Bluetooth device’s
volume is set to minimum. Check
and adjust the volume of the unit or
Bluetooth device’s volume.
y
When you use an external device at
high volume, the sound quality may
be deteriorated. Lower the volume
of the devices.
y
If you use the unit for purposes other
than listening to music, the sound
quality may be lowered or the unit
may not work properly.
y
If the unit does not work well in
Bluetooth mode, switch Bluetooth
off and on again on your Bluetooth
device.
Bluetooth pairing does not work well.
y
Switch Bluetooth off and on again
on your Bluetooth device, then try
pairing again.
y
Be sure that your Bluetooth device is
on.
y
Remove the obstacle in the path of
the Bluetooth device and the unit.
y
Depending on the type of the
Bluetooth device or surrounding
environment, your device may not
be paired with the unit.
Troubleshooting
Summary of Contents for NP1540B
Page 22: ......