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Facilità d'uso
When charging
Check that the volume of the unit is not
set too low, or if necessary, turn up the
Charging cannot be done.
volume on the connected device.
Pair this unit and Bluetooth device again
Check that the carrying case and the
(page 11).
computer are firmly connected by the
USB cable.
Low sound quality
Check that the headset is placed in the
Switch the Bluetooth connection to
carrying case correctly.
A2DP by operating the Bluetooth device
Check that the carrying case cover is
when HSP is set.
closed firmly.
Check that the computer is turned on.
Sound skips frequently during
Check that the computer is not in
playback.
standby, sleep or hibernation mode.
Reception condition of this unit may
If you charge the unit by using an AC
have become unstable due to improper
adaptor, make sure the recommended
matching of the bit-rate setting for the
USB Charging AC Power Adaptor AC-
music transmitted from the Bluetooth
U50AG (sold separately) is used.
device and the environment in which
Charging time is too long.
this unit is used.*1
Terminate A2DP Bluetooth connection
Check that the carrying case and
by operating the Bluetooth device. While
computer are directly connected (not via
this unit is turned off, press and hold the
a USB hub).
– button and the button for about
The carrying case cannot be
two seconds. After the indicator flashes
recognised by a computer.
red (remaining charge indication), and
once blue, release the buttons. This unit
The USB cable is not connected properly
turns on and “Sound Quality” setting
to the USB port of the computer.
changes to “Standard.” The setting of
Connect the USB cable again.
receivable bit rate lowers*2.
Check that the carrying case and
*1 Bit rate is a numerical value which
computer are directly connected (not via
represents data transmission volume
a USB hub).
per second. The higher the bit rate, in
A problem may occur with the
general, the better quality the sound
connected USB port of the computer.
will be. This unit can receive high bit
Connect to another USB port if it is
rate music but sound skipping may
available.
occur depending on the usage
Try the USB connection procedure
environment.
again in cases other than those stated
*2 The above operations may not reduce
above.
sound skip depending on the usage
environment. To return “Sound
When listening to music
Quality” setting to “High Quality,”
while this unit is turned off, press and
No sound
hold the + button and the button
for about two seconds. After the
Bluetooth device is turned on.
indicator flashes red (remaining
A2DP Bluetooth connection is not made
charge indication), and twice blue,
between this unit and the Bluetooth
release the buttons.
device. Make an A2DP Bluetooth
connection (page 15).
GB
XBA-BT75 [CE7 (GB, FR, DE, ES, NL)] 4-411-333-41(1)
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