Sony MHC-M20 Operating Instructions Manual page 41

The pairing registration
• •
information has been erased.
Perform the pairing operation
again.
The sound skips or fluctuates, or
the connection is lost.
The system and the BLUETOOTH
• •
device are too far apart.
If there are obstacles between
• •
the system and your BLUETOOTH
device, remove or avoid the
obstacles.
If there is equipment that
• •
generates electromagnetic
radiation, such as a wireless LAN,
other BLUETOOTH device, or a
microwave oven nearby, move
them away.
The sound of your BLUETOOTH
device cannot be heard on this
system.
Increase the volume on your
• •
BLUETOOTH device first, then
adjust the volume using VOL +/–.
There is severe hum, noise, or
distorted sound.
If there are obstacles between
• •
the system and your BLUETOOTH
device, remove or avoid the
obstacles.
If there is equipment that
• •
generates electromagnetic
radiation, such as a wireless LAN,
other BLUETOOTH device, or a
microwave oven nearby, move
them away.
Turn down the volume of the
• •
connected BLUETOOTH device.
Wireless Party Chain
BLUETOOTH device cannot be
connected to the system during
Wireless Party Chain function.
After connecting all the systems,
• •
perform the pairing and
connecting operations between
the BLUETOOTH device and the
Party Host.
Resetting the system
If the system still does not operate
properly, reset the system to factory
default settings.
Use the buttons on the unit to
perform this operation.
1
Unplug the AC power cord (mains
lead), then plug it back in.
2
Press  to turn on the system.
3
Hold down VOCAL FADER and
MIC ECHO for about 3 seconds.
"RESET" appears on the display.
After the reset completes, the
system automatically reboots. Press
 to turn on the system.
All BLUETOOTH pairing information
and user-configured settings, such
as preset radio stations are reset to
factory default setting.
Messages
One of the following messages may
appear or flash on the display during
operation.
CANNOT PLAY
A disc that cannot be played back
was inserted.
DATA ERROR
The file is created in unsupported
• •
format.
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