Yamaha CD-NT670 CD-NT670 Owners Manual - Page 50

Disc, Move this unit away from the device that is emitting radio-frequency

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Troubleshooting Problem Cannot make a Bluetooth connection. No sound is produced, or the sound is interrupted during playback. Cause The unit is turned off. The [Bluetooth] of the option setting is set to [Off]. Another Bluetooth device is connected. The Bluetooth function of the device is turned off. The pairing information has been deleted. This unit is not registered on the device's Bluetooth connection list. The volume of the connecting device is set too low. The connecting device is not set to send Bluetooth audio signals to the unit. The Bluetooth connection of the unit with the device has terminated. There is a device (microwave oven, wireless LAN, etc.) that outputs signals in the 2.4 GHz frequency band nearby. This unit and the connecting device are too far apart. The Bluetooth function of the device is turned off. The connecting device is not set to send Bluetooth audio signals to this unit. Solution Turn the unit on. Set it to [On]. Terminate current Bluetooth connection, then establish a connection with that device again. Turn on the Bluetooth function of the device. Perform pairing again (& P.26). This unit can be paired with 20 devices. If pairing with a 21st device is performed, the pairing information with the earliest connection date will be deleted. Perform pairing again (& P.26). Turn up the volume of the connecting device. Switch the output of Bluetooth audio signals of the connecting device to the unit. Perform Bluetooth connection operations again (& P.26). Move this unit away from the device that is emitting radio-frequency signals. Move the connecting device to within 10 m (33 ft) of the unit. Turn on the Bluetooth function of the device. Check that the Bluetooth function of the connecting device is set properly. Disc Problem Playback does not start after a disc is set. Some button operations do not work. Playback does not start immediately after pressing on the unit or on the remote control (stops immediately). Cause The disc set in the unit may not be supported. The disc may be dirty. The disc set in the unit may not be supported. If the unit was moved from a cold to warm place, condensation may have formed on the disc reading lens. Solution Use the disc supported by the unit (& P.49). Wipe the disc clean (& P.49). Use the disc supported by the unit (& P.49). Wait for an hour or two until the unit adjusts to the room temperature, and try again. 46 En

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Troubleshooting
46
En
Disc
Cannot make a
Bluetooth
connection.
The unit is turned off.
Turn the unit on.
The [Bluetooth] of the option setting is set to [Off].
Set it to [On].
Another
Bluetooth
device is connected.
Terminate current
Bluetooth
connection, then establish a connection with
that device again.
The
Bluetooth
function of the device is turned off.
Turn on the
Bluetooth
function of the device.
The pairing information has been deleted.
Perform pairing again (
P.26).
This unit can be paired with 20 devices. If pairing with a 21st device is
performed, the pairing information with the earliest connection date will
be deleted.
This unit is not registered on the device’s
Bluetooth
connection list.
Perform pairing again (
P.26).
No sound is produced, or the sound is
interrupted during playback.
The volume of the connecting device is set too low.
Turn up the volume of the connecting device.
The connecting device is not set to send
Bluetooth
audio signals to the
unit.
Switch the output of
Bluetooth
audio signals of the connecting device to
the unit.
The
Bluetooth
connection of the unit with the device has terminated.
Perform
Bluetooth
connection operations again (
P.26).
There is a device (microwave oven, wireless LAN, etc.) that outputs signals
in the 2.4 GHz frequency band nearby.
Move this unit away from the device that is emitting radio-frequency
signals.
This unit and the connecting device are too far apart.
Move the connecting device to within 10 m (33 ft) of the unit.
The
Bluetooth
function of the device is turned off.
Turn on the
Bluetooth
function of the device.
The connecting device is not set to send
Bluetooth
audio signals to this unit.
Check that the
Bluetooth
function of the connecting device is set properly.
Problem
Cause
Solution
Problem
Cause
Solution
Playback does not start after a disc is set.
Some button operations do not work.
The disc set in the unit may not be supported.
Use the disc supported by the unit (
P.49).
Playback does not start immediately after
pressing
on the unit
or
on the remote control (stops
immediately).
The disc may be dirty.
Wipe the disc clean (
P.49).
The disc set in the unit may not be supported.
Use the disc supported by the unit (
P.49).
If the unit was moved from a cold to warm place, condensation may have
formed on the disc reading lens.
Wait for an hour or two until the unit adjusts to the room temperature, and
try again.