Yamaha NX-B55 Owner's Manual page 14

Troubleshooting
Symptoms
The sound is muted Auto-standby is functioning.
automatically.
Auto-standby is not The AUTO STANDBY switch is set to OFF.
functioning.
Catching external noise.
Auto-power on does not The volume of the other device is low.
work.
The played audio is too short.
There is sound from the The TV is not suitably set.
TV, even though this unit
and TV are connected by
an audio cable.
■
Symptoms
Cannot make this unit You can connect this unit to the other device within about
5 minutes of turning on this unit or stopping the Bluetooth
pair or connect with the
other device. connection with the other device.
The other device does not support A2DP.
A Bluetooth adaptor, etc., that you want to pair with this unit
has a passkey other than "0000".
The distance between this unit and the Bluetooth device is
too long.
There is a device (microwave oven, wireless LAN, etc.) that
outputs signals in the 2.4 GHz frequency band nearby.
Bluetooth connection is already established with another
device.
9
En
Causes
Causes
Remedies
Increase the volume level of the connected device, or press p
(power) twice to turn on this unit. See "Deactivating the
auto-standby mode" (☞ page 3).
Set the AUTO STANDBY switch to ON.
If this unit is close to mobile phones, radio devices,
microwaves, inverter lights, etc., install this unit away from
them.
Increase the volume level of the other device.
This unit is not turned on if the duration of the sound is
short, such as a click.
Change the settings of TV.
Remedies
See "Pairing (Registration)" (☞ page 5).
Perform the pairing operations with a device which supports
A2DP.
Use a Bluetooth adaptor, etc., whose passkey is "0000".
Reposition this unit within 10 m (33 ft) of the other device.
Install this unit away from such devices.
Stop the Bluetooth connection with another device.