Radio Reception; Usb Device Playback - Sony MEX-M71BT Operating Instructions Manual

During playback or reception, the
demonstration mode starts.
 If no operation is performed for 5 minutes
with [DEMO-ON] set, the demonstration
mode starts.
– Set [DEMO-OFF] (page 24).
The display disappears from/does not
appear in the display window.
 The dimmer is set to [DIM-ON] (page 25).
 The display disappears if you press and
hold OFF.
– Press OFF on the unit until the display
appears.
 The connectors are dirty (page 28).
The display/illumination flashes.
 The power supply is not sufficient.
– Check that the boat battery supplies
enough power to the unit. (The power
requirement is 12 V DC.)
The operation buttons do not function.
The disc will not eject.
 Press DSPL and
than 2 seconds to reset the unit.
The contents stored in memory are
erased.
For your safety, do not reset the unit while
you are driving.

Radio reception

Stations cannot be received.
The sound is hampered by noises.
 The connection is not correct.
– If your boat has built-in radio antenna
(aerial) in the rear/side glass, connect an
REM OUT lead (blue/white striped) or
accessory power supply lead (red) to the
power supply lead of a boat's antenna
(aerial) booster.
– Check the connection of the boat
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 10).
Preset tuning is not possible.
 The broadcast signal is too weak.
32
GB
(back)/MODE for more
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.
CD playback
The disc does not play.
 Defective or dirty disc.
 The CD-R/CD-RW is not for audio use
(page 27).
MP3/WMA files cannot be played.
 The disc is incompatible with the MP3/
WMA format and version. For details on
playable discs and formats, visit the
support site on the back cover.
MP3/WMA files take longer to play than
others.
 The following discs take a longer time to
start playback.
– A disc recorded with a complicated tree
structure.
– A disc recorded in Multi Session.
– A disc to which data can be added.
The sound skips.
 Defective or dirty disc.

USB device playback

You cannot play items via a USB hub.
 This unit cannot recognize USB devices via
a USB hub.
A USB device takes longer to play.
 The USB device contains files with a
complicated tree structure.
The sound is intermittent.
 The sound may be intermittent at a high-
bit-rate.
 DRM (Digital Rights Management) files
may not be playable in some cases.
The audio file cannot be played.
 USB devices formatted with file systems
other than FAT16 or FAT32 are
unsupported.*