Sony DSX-M50BT Owner's Record page 29

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 21).
The display disappears from/does not appear
in the display window.
 The dimmer is set to [DIM-ON] (page 21).
 The display disappears if you press and hold
OFF.
 Press OFF on the unit until the display
appears.
 The connectors are dirty (page 25).
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.
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.
A USB device takes longer to play back.
 The USB device contains files with a
complicated tree structure.
The sound is intermittent.
 The sound may be intermittent at a high-bit-
rate of more than 320 kbps.
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 11).
Connection is not possible.
 The connection is controlled from one side
(this unit or BLUETOOTH device), but not
both.
 Connect to this unit from a BLUETOOTH
device or vice versa.
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