Sony XNV-770BT Manual De Instrucciones página 69

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" to "ON" (page 19).
t Tuning does not stop at a station:
Set "Mono" to "ON" (page 19).
• The broadcast signal is too weak.
t Perform manual tuning.
During FM reception, the "Stereo" indication
flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
t Set "Mono" to "ON" (page 19).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set "Mono" to "OFF" (page 19).
RDS
PTY displays "None."
• The current station is not an 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 to the connected equipment,
and set the input selector of the equipment to the
source corresponding to this unit.
• Defective or dirty disc.
• Installation is not correct.
t 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.
Picture does not fit in the screen.
The aspect ratio is fixed on the DVD.
There is no picture/picture noise occurs in the
rear monitor.
• The 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.
t Set the color system to "PAL" or "NTSC"
according to the connected monitor (page 53).
• The picture of the rear view camera is displayed on
this unit.
t 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 to the connected equipment,
and set the input selector of the equipment to the
source corresponding to this unit.
• Defective or dirty disc.
• Installation is not correct.
t 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, 44.1 or 48 kHz.
• The WMA file sampling rate is not 32, 44.1 or
48 kHz.
• The AAC file sampling rate is not 44.1 or 48 kHz.
• The MP3 file bit rate is not 48 to 192 kbps.
• The WMA file bit rate is not 64 to 192 kbps.
• The AAC file bit rate is not 40 to 320 kbps.
• The unit is in pause/reverse/fast-forward mode.
• The settings for the outputs are not made correctly.
• The DVD output level is too low (page 26).
• The volume is too low.
• The ATT function is activated, or the Telephone ATT
function (when the interface cable of a car telephone
is connected to the ATT lead) is activated.
• The position of the fader control "Fader" is not set for
a 2-speaker system.
• Unsupported format (such as DTS).
t Check if the format is supported by this unit
(page 10).
Sound is noisy.
Keep cords and cables away from each other.
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