Sony MEX-BT4000P - Bluetooth Phone and Audio Issues

44
A
call
partner
says
that
the
volume
is
too
low
or high.
~
Adjust the volume accordingly using mic gain
adjustment (page 26).
Echo
or
noise occurs in phone
call
conversations.
~
Lower the volume.
~
Set EC/NC Mode to ((EC/NC-1''
or
((EC/NC-2''
(page 27).
~
If
the ambient noise
other
than
the phone call
sound
is
loud, try reducing this noise.
E.g.:
If
a window
is
open
and
road noise, etc.,
is
loud,
shut
the window.
If
an air conditioner is
loud, lower the air conditioner.
The phone
is
not
connected.
~
When
Bluetooth audio
is
played, the phone
is
not
connected even
if
you press
\.
(handsfree).
- Connect from the phone.
The phone sound
quality
is
poor.
~
Phone
sound
quality depends
on
reception
conditions
of
cellular phone.
- Move your car to a place where you can
enhance the cellular phone's signal
if
the
reception
is
poor.
The
volume
of
the
connected audio device
is
low
(high).
~
Volume level will differ depending
on
the
audio device.
- Adjust the volume
of
the connected audio
device
or
this unit.
No sound
is
heard from
the
Bluetooth audio
device.
~
The audio device
is
paused.
- Cancel pause
of
the audio device.
The sound skips during playback
of
a
Bluetooth audio device.
~
Reduce the distance between the unit
and
the
Bluetooth audio device.
~
If
the Bluetooth audio device
is
stored in a case
which interrupts the signal, remove the audio
device from the case during use.
~
Several Bluetooth devices
or
other
devices
which emit radio waves are in use nearby.
-
Turn
off the other devices.
- Increase the distance from the other devices.
~
The playback
sound
stops momentarily when
the connection between this unit
and
the
cellular phone
is
being made. This is
not
a
malfunction.
The connected Bluetooth audio device
cannot be
controlled.
~
Check that the connected Bluetooth audio
device supports A VRCP.
Some functions
do
not
work.
~
Check if the connecting device supports the
functions in question.
The name
of
the
other party does
not
appear
when a
call
is
received.
~
The calling
phone
is
not
set to send the phone
number.
A
call
is
answered unintentionally.
~
The connecting phone is set to answer a call
automatically.
~((AUTO
ANSWER"
of
this unit
is
set to
((ANS-
1"
or
((ANS-2"
(page 22).
Pairing
failed
due
to
time
out.
~
Depending
on
the connecting device, the time
limit for pairing may be short.
- Try completing the pairing within the time.
Bluetooth function cannot operate.
~
Turn
off the
unit
by pressing
(SOURCE/OFF)
for more
than
2 seconds, then
turn
the unit
on
again.
No sound
is
output
from
the
car speakers
during handsfree
call.
~
If
the sound is
output
from the cellular phone,
set the cellular phone to
output
the
sound
from
the car speakers.
The phonebook data stored in this
unit
does
not appear.
~
The other Bluetooth device
is
connected to this
unit via the Bluetooth function.
- Connect a cellular phone whose phonebook
data has been transferred to this unit
(page 25).
Pandora
8
connection
is
not
possible.
~
Shut down the
Pandora*
application
on
the
mobile device,
and
then
launch again.