Bluetooth Function - Sony DSX-A400BT Operating Instructions Manual

lead (red) to the power supply lead of a car's
antenna (aerial) booster.
 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 7).
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 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.
Audio file cannot be played.
 USB device formatted with file systems other
than FAT16 or FAT32 are unsupported.*
* This unit supports FAT16 and FAT32, but some USB
device may not support all of these FAT. For details,
refer to the operating instruction of each USB device
or contact the manufacturer.
NFC function
One touch connection (NFC) is not possible.
 If the smartphone does not respond to the
touching.
 Check that the NFC function of the smartphone
is turned on.
 Move the N-Mark part of the smartphone
closer to the N-Mark part on this unit.
 If the smartphone is in a case, remove it.
 NFC receiving sensitivity depends on the device.
If One touch connection with the smartphone
fails several times, make BLUETOOTH connection
manually.

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 8).
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.
The name of the detected device does not
appear.
 Depending on the status of the other device, it
may not be possible to obtain the name.
No ringtone.
 Adjust the volume by rotating the control dial
while receiving a call.
 Depending on the connecting device, the
ringtone may not be sent properly.
 Set [RINGTONE] to [1] (page 20).
 The front speakers are not connected to the unit.
 Connect the front speakers to the unit. The
ringtone is output only from the front speakers.
The talker's voice cannot be heard.
 The front speakers are not connected to the unit.
 Connect the front speakers to the unit. The
talker's voice is output only from the front
speakers.
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GB