Yamaha MCR-B020 Bedienungsanleitung Seite 22

TROUBLESHOOTING
Bluetooth
Problem
Cannot make this unit paired
with the Bluetooth device.
Can't establish a Bluetooth
connection.
No sound is produced or the
sound is interrupted during
playback.
FM reception
Problem
Too much noise.
Too much noise during stereo
broadcast.
Even with an outdoor antenna,
radio wave reception is weak.
(Sound is distorted.)
20
En
Cause
The Bluetooth device does not support A2DP.
A Bluetooth adaptor, etc. that you want to pair
with this unit has a password other than "0000".
This unit and the Bluetooth device are too far
apart.
There is a device (microwave oven, wireless
LAN, etc.) outputs signals in the 2.4 GHz
frequency band nearby.
In the option menu, BLUETOOTH is set to OFF. In the option menu, set BLUETOOTH to ON (☞ P. 14).
This unit is not registered on the connection list
of the Bluetooth device.
In the option menu, BLUETOOTH is set to OFF. In the option menu, set BLUETOOTH to ON (☞ P. 14).
The Bluetooth connection of this unit with the
Bluetooth device is disconnected.
This unit and the Bluetooth device are too far
apart.
There is a device (microwave oven, wireless
LAN, etc.) outputs signals in the 2.4 GHz
frequency band nearby.
The Bluetooth function of the Bluetooth device is
off.
The Bluetooth device is not set to send Bluetooth
audio signals to this unit.
The pairing setting of the Bluetooth device is not
set to this unit.
The Bluetooth device's volume is set to the
minimum.
Cause
The antenna may be connected improperly.
The antenna is too close to the unit or to an
electronic device.
The radio station you selected may be far from
your area, or the radio wave reception is weak in
your area.
Multipath reflection or other radio interferences
may have occurred.
Solution
Perform pairing operations with a device which supports
A2DP.
Use a Bluetooth adaptor, etc. whose password is "0000".
Move the Bluetooth device closer to this unit.
Move this unit away from the device that is emitting radio-
frequency signals.
Perform pairing operations again (☞ P. 9).
Perform Bluetooth connection operations again (☞ P. 10).
Move the Bluetooth device closer to this unit.
Move this unit away from the device that is emitting radio-
frequency signals.
Turn on the Bluetooth function of the Bluetooth device.
Check that the Bluetooth function of the Bluetooth device
is set properly.
Set the pairing setting of the Bluetooth device to this unit.
Increase the volume level.
Solution
Make sure the antenna is connected properly (☞ P. 4) or
use a commercially available outdoor antenna.
Position the antenna as far away as possible from the unit
or the electronic device.
Try manual tuning to improve the signal quality (☞ P. 11)
or use a commercially available outdoor antenna.
Change the height, direction, or placement of the antenna
(☞ P. 4).