Sony DSX-M50BT Mode D'emploi page 30

The name of the detected device does not
appear.
 Depending on the status of the other device,
it may not be possible to obtain the name.
No ringtone.
 Adjust the volume by rotating the control dial
while receiving a call.
 Depending on the connecting device, the
ringtone may not be sent properly.
 Set [RINGTONE] to [1] (page 22).
 The front speakers are not connected to the
unit.
 Connect the front speakers to the unit. The
ringtone is output only from the front
speakers.
The talker's voice cannot be heard.
 The front speakers are not connected to the
unit.
 Connect the front speakers to the unit. The
talker's voice is output only from the front
speakers.
A call partner says that the volume is too low
or high.
 Adjust the volume accordingly using mic gain
adjustment (page 20).
Echo or noise occurs in phone call
conversations.
 Lower the volume.
 Set EC/NC Mode to [EC/NC-1] or [EC/NC-2]
(page 20).
 If the ambient noise other than the phone call
sound is loud, try reducing this noise.
E.g.: If a window is open and noise, etc., is
loud, shut the window. If an air conditioner is
loud, lower the air conditioner.
 Switch the destination device for call transfer
to your cellular phone, then use the cellular
phone (page 20).
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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 boat 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.
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 AVRCP.