Sony XAV-V751BT Manual De Instrucciones página 23

There is no beep sound.
 An optional power amplifier is connected and
you are not using the built-in amplifier.
The contents of the memory have been erased.
 The power supply lead or battery has been
disconnected or it is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
The unit makes noise when the position of the
ignition is switched.
 The leads are not matched correctly with the car's
accessory power connector.
The display disappears from/does not appear on
the monitor.
 The dimmer is set to [ON] (page 16).
 The display disappears if you press and hold
HOME.
– Press HOME on the unit until the display
appears.
 The monitor off function is activated (page 5).
– Touch anywhere on the display to turn the
display back on.
The display does not respond to your touch
correctly.
 Touch one part of the display at a time. If two or
more parts are touched simultaneously, the
display will not operate correctly.
 Calibrate the touch panel of the display (page 16).
 Touch the pressure sensitive panel firmly.
 The rear monitor cannot be operated. Icons
displayed on the rear monitor are disabled.
Menu items cannot be selected.
 Unavailable menu items are displayed in gray.
Radio reception
The stations cannot be received.
The sound is hampered by noise.
 The connection is not correct.
– Connect the REM OUT lead (blue/white striped)
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 radio
antenna (aerial) in the rear/side glass).
– Check the connection of the car antenna
(aerial).
– If the auto antenna (aerial) will not extend,
check the connection of the power antenna
(aerial) control lead.
 The tuning step setting has been erased.
– Set the tuning step again (page 17).
Preset tuning is not possible.
 The broadcast signal is too weak.
RDS
PTY displays [PTY not found.].
 The current station is not RDS station.
 RDS data has not been received.
 The station does not specify the program type.
Picture
There is no picture/picture noise occurs.
 A connection has not been made correctly.
 Check the connection between this unit and
other equipment and set the input selector of the
equipment to the source corresponding to this
unit.
 Installation is not correct.
– Install the unit at an angle of less than 45° in a
sturdy part of the car.
 The parking cord (light green) is not connected to
the parking brake switch cord, or the parking
brake is not applied.
The picture does not fit in the screen.
 The aspect ratio is fixed on the playback source.
There is no picture/picture noise occurs in the
rear monitor.
 A source/mode which is not connected is
selected. If there is no input, no picture appears
in the rear monitor.
 The color system setting is incorrect.
– Set the color system to [PAL] or [NTSC]
according to the connected monitor (page 16).
 The picture of the rear view camera is displayed
on this unit.
– No picture appears in the rear monitor if the
picture of the rear view camera is displayed on
this unit.
Sound
There is no sound/sound skips/sound cracks.
 A connection has not been made correctly.
 Check the connection between this unit and the
connected equipment and set the input selector
of the equipment to the source corresponding to
this unit.
 Installation is not correct.
– Install the unit at an angle of less than 45° in a
sturdy part of the car.
 The MP3 file sampling rate is not 32 kHz, 44.1 kHz,
or 48 kHz.
 The WMA file sampling rate is not 44.1 kHz.
 The MP3 file bit rate is not 48 kbps to 192 kbps.
 The WMA file bit rate is not 48 kbps to 192 kbps.
 The unit is in pause/reverse/fast-forward mode.
 The settings for the outputs are not made
correctly.
 The volume is too low.
 The ATT function is activated.
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