Sony XAV-AX5160 Operating Instructions Manual page 21

There is no ringtone.
 Raise the volume while receiving a call.
 The speakers are not connected to the unit.
– Connect the speakers to the unit. To select the
speakers for ringtone, press HOME, then touch
[Settings] and select [Phone Call Sound] in
[Sound] (page 15).
The talker's voice volume is low.
 Raise the volume during a call.
The other party says that the volume is too low
or high.
 Adjust the [MIC Gain] level (page 12).
Echo or noise occurs during call conversations.
 Reduce the volume.
 Set [Speech Quality] to [Mode 1] or [Mode 2].
(page 12).
 If ambient noise other than the phone call sound
is loud, try reducing this noise.
– Shut the window if road noise is loud.
– Lower the air conditioner if the air conditioner is
loud.
The phone sound quality is poor.
 Phone sound quality depends on reception
conditions of the mobile phone.
– Move your car to a place where you can
enhance the mobile phone's signal if the
reception is poor.
The volume of the connected BLUETOOTH device
is low or high.
 Volume level will differ depending on the
BLUETOOTH device.
– Reduce the volume level differences between
this unit and the BLUETOOTH device (page 9).
The sound skips during audio streaming or the
BLUETOOTH connection fails.
 Reduce the distance between the unit and the
BLUETOOTH device.
 If the BLUETOOTH device is stored in a case which
interrupts the signal, remove the case while
using the device.
 Several BLUETOOTH devices or other devices (e.g.
ham radio devices) which emit radio waves are
used nearby.
– Turn off the other devices.
– Increase the distance between the unit and
other devices.
 Playback sound stops momentarily when this
unit is connecting to a mobile phone. This is not a
malfunction.
The connected BLUETOOTH device cannot be
controlled during audio streaming.
 Check that the connected BLUETOOTH device
supports AVRCP.
Some functions do not work.
 Check that the connecting device supports the
functions in question.
A call is answered unintentionally.
 The connecting phone is set to start a call
automatically.
 [Auto Answer] of this unit is set to [ON] (page 12).
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.
Cannot pair.
 The unit may not be able to pair with a previously
paired BLUETOOTH device after initializing the
unit if the pairing information of the unit is on the
BLUETOOTH device. In this case, delete the
pairing information of the unit from the
BLUETOOTH device, and then pair them again.
The BLUETOOTH function cannot be operated.
 Turn the ignition off. Wait for a while, then turn
the ignition to the ACC position.
No sound is output from the car speakers during
a handsfree call.
 If the sound is output from the mobile phone, set
the mobile phone to output the sound from the
car speakers.
Apple CarPlay
The Apple CarPlay icon does not appear on the
HOME screen.
 Your iPhone is not compatible with Apple
CarPlay.
– Refer to the manual supplied with your iPhone,
or visit the Apple CarPlay website.
 Disconnect your iPhone from the USB port and
reconnect it again.
 Apple CarPlay may not be available in your
country or region.
 Make sure a certified Lightning cable is used to
connect your iPhone and the unit.
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