Sony CDX-M850MP - Manual (Page 29)

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Error displays/Messages
*1 When the CD/MD changer is connected to the unit,
the disc number of the CD or MD appears in the
display.
*2 The disc number of the disc causing the error
appears in the display.
*3 “Failure” (small case) and “FAILURE” (upper case)
are different messages.
If these solutions do not help improve the
situation, consult your nearest Sony dealer.
Radio reception
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
The stations cannot be received.
The sound is hampered by noises.
• Connect a power antenna control lead (blue)
or accessory power supply lead (red) to the
power supply lead of the car’s antenna
booster. (Only if your car has a built-in FM/
AM antenna in the rear/side glass.)
• Check the connection of the car antenna.
• The auto antenna will not go up.
t Check the connection of the power
antenna control lead.
• Check the frequency.
• When the DSO mode is on, the sound is
sometimes hampered by noises.
t Set the DSO mode to off (page 23).
Automatic tuning is not possible.
• The local seek mode is set to “on.”
t Set the local seek mode to “off” (page
21).
• The broadcast signal is too weak.
t Perform manual tuning.
The “ST” indication flashes.
• Tune in the frequency accurately.
• The broadcast signal is too weak.
t Set to the monaural reception mode (page
21).
A program broadcast in stereo is heard in
monaural.
• The unit is in monaural reception mode.
t Cancel monaural reception mode (page
21).
Interference occurs during FM reception.
The wide mode is selected.
t Set the IF mode to “IF Auto” (page 21).
Error displays
(For this unit and optional CD/MD changers)
The following indications will flash for about 5
seconds, and an alarm sound will be heard.
Blank * 1
No tracks have been recorded on an MD* 2 .
t Play an MD with recorded tracks on it.
Error * 1
• A CD is dirty or inserted upside down* 2 .
t Clean or insert the CD correctly.
• A CD/MD cannot play because of some
problem* 2 .
t Insert another CD/MD.
Failure * 3
The connection of speakers/amplifiers is
incorrect.
t See the installation guide manual of this
model to check the connection.
FAILURE * 3
When the XM tuner is connected, storing an
XM radio channel into a preset failed.
t Be sure to receive the channel that you
want to store, then try it again.
High Temp
The ambient temperature is more than 50°C
(122°F).
t Wait until the temperature goes down
below 50°C (122°F).
NO Disc * 1
No disc is inserted in the CD/MD unit.
t Insert discs in the CD/MD unit.
NO Magazine
The disc magazine is not inserted in the CD
unit.
t Insert the magazine in the CD unit.
NO Music * 2
A CD which is not a music file is inserted in
the MP3 playable CD unit.
t Insert a music CD in the MP3 playable CD
unit.
Offset
There may be an internal malfunction.
t Check the connection. If the error
indication remains on in the display,
consult your nearest Sony dealer.
Push Reset
The CD/MD unit cannot be operated because
of some problem.
t Press the RESET button on the unit.
Messages
Local Seek +/–
The Local Seek mode is on during automatic
tuning (page 16).
“ ” or “ ”
You have reached the beginning or the end of
the disc and you cannot go any further.