Sony DSX-S300BTX Operating Instructions Manual page 49

No ringtone.
• Adjust the volume in "Ring Volume" level.
• Depending on the connecting device, the ringtone
may not be sent properly.
t Set "Ringtone" to "Default" (page 34).
The talker's voice volume is low.
Adjust the volume in "Talk Volume" level.
A call partner says that the volume is too low
or high.
Adjust the volume accordingly using MIC Gain
adjustment (page 35).
Echo or noise occurs in phone call
conversations.
• Lower the volume.
• Set "EC/NC Mode" to "EC/NC Mode 1" or "EC/NC
Mode 2" (page 34).
• 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 the air conditioner is loud, lower
the air conditioner.
The phone is not connected.
When the Bluetooth audio is played back, the phone is
not connected even if you press the multi way encoder.
t Connect from the phone.
The phone sound quality is poor.
Phone sound quality depends on reception conditions
of cellular phone.
t 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.
t 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.
t 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 while using.
• Several Bluetooth devices or other devices which
emit radio waves are used nearby.
t Turn off the other devices.
t Reduce 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.
Some functions do not work.
Check that the connecting device supports the
functions in question.
The name of the other party does not appear
when a call is received.
• The other party is not stored in the phonebook.
t Store in the phonebook (page 35).
• The calling phone is not set to send the phone
number.
A call is answered unintentionally.
• The connecting phone is set to start a call
automatically.
• "Auto Answer" of this unit is set to "Short" or
"Long" (page 34).
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 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 external microphone does not work.
The setting of the microphone is not correct.
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