Sony DSX-S310BTX ユーザーズマニュアル

Radio reception

The stations cannot be received.
The sound is hampered by noises.

• The connection is not correct.

t Connect a power antenna (aerial) control lead

(blue) or accessory power supply lead (red) to the
power supply lead of a car’s antenna (aerial)
booster (only when your car has built-in FM/AM
antenna (aerial) in the rear/side glass).

t Check the connection of the car antenna (aerial).
t If the auto antenna (aerial) will not go up, check

the connection of the power antenna (aerial)
control lead.

Preset tuning is not possible.

• Store the correct frequency in the memory.
• The broadcast signal is too weak.

Automatic tuning is not possible.

• Setting of the local seek mode is not correct.

t Tuning stops too frequently:

Set “Local on” (page 43).

t Tuning does not stop at a station:

Set “Local off” (page 43).

• The broadcast signal is too weak.

t Perform manual tuning.

During FM reception, the “ST” indication
flashes.

• Tune in the frequency accurately.
• The broadcast signal is too weak.

t Set “Mono on” (page 43).

An FM program broadcast in stereo is heard in
monaural.

The unit is in monaural reception mode.
t Set “Mono off” (page 43).

RDS

PTY displays “- - - - - - - -.”

• The current station is not an RDS station.
• RDS data has not been received.
• The station does not specify the program type.

USB playback

You cannot play back items via a USB hub.

This unit cannot recognize USB devices via a USB
hub.

Cannot play back items.

A USB device does not work.
t Reconnect it.

The USB device takes longer to play back.

The USB device contains files with a complicated tree
structure.

The display items do not scroll.

• A large number of characters may not scroll.
• “Auto Scroll” is set to “off.”

t Set “Auto Scroll on” (page 43).
t Press and hold (DSPL) (SCRL).

The sound is intermittent.

The sound may be intermittent at a high-bit-rate of
more than 320 kbps.

Pandora connection is not possible.

Shut down Pandora on the mobile device, and then
launch again.

Bluetooth function

The connecting device cannot detect this unit.

• Before the pairing is made, set this unit to pairing

standby mode.

• While connected to a Bluetooth device, this unit

cannot be detected from another device. Disconnect
the current connection and search for this unit from
another device.

• When the device pairing is made, set the Bluetooth

signal output to on (page 33).

Connection is not possible.

Check the pairing and connection procedures in the
manual of the other device, etc., and perform the
operation again.

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 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 35).

• 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.

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