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DR-BT101_4-130-181-12(1)
26
When charging
Charging cannot be done.
Check that the unit and the computer
are firmly connected by the USB cable.
Check that the computer is turned on.
Check that the computer is not in
standby, sleep or hibernation mode.
Charging time is too long.
Check that the unit and the computer
are directly connected, not via a USB
hub.
The unit cannot be recognized
by a computer.
The USB cable is not connected properly
to the USB port of the computer.
Connect the USB cable again.
Check that the unit and the computer
are directly connected, not via a USB
hub.
A problem may occur with the
connected USB port of the computer.
Connect to another USB port if it is
available.
Try the USB connection procedure again
in cases other than those stated above.
When listening to music
No sound
Bluetooth device are turned on.
A2DP
Bluetooth connection is not made
between this unit and the Bluetooth
device. Make an A2DP Bluetooth
connection (page 16).
Check that music is being played back by
the Bluetooth device.
Check that the volume of the unit is not
set too low.
Turn up the volume on the connected
device if necessary.
Pair this unit and
Bluetooth device again
(page 12).
Low sound level
Turn up the volume of this unit.
Turn up the volume on the connected
device if necessary.
Low sound quality
Switch the
Bluetooth connection to
A2DP (Advanced Audio Distribution
Profile) when HSP (Headset Profile) is
set.
Sound skips frequently during
playback.
Reception condition of this unit may
have become unstable due to improper
matching of the bit-rate setting for the
music transmitted from the Bluetooth
device and the environment in which
this unit is used. *
1
Terminate A2DP Bluetooth connection
by operating the Bluetooth device. While
this unit is turned on, press and hold
for about 7 seconds to lower the
setting of receivable bit rate. *
2
*
1
Bit rate is a numerical value which
represents data transmission volume
per second. The higher the bit rate, in
general, the better quality the sound
will be. This unit can receive high bit
rate music but sound skipping may
occur depending on the usage
environment.
*
2
When bit rate setting is completed,
the indicator (blue) flashes once. The
above operations may not reduce the
sound skip depending on the usage
environment. To reset to the original
setting, press and hold again for
about 7 seconds. The indicator (blue)
flashes twice.