Installation is not correct.
– Install the unit at an angle of less than 30° in a
sturdy part of the car.
The unit is in pause/reverse/fast-forward mode.
The settings for the outputs are not made
correctly.
The volume is too low.
The ATT function is activated.
The format is not supported.
– Check if the format is supported by this unit
(page 18).
Sound is noisy.
Keep cords and cables away from each other.
USB playback
Items cannot be played.
Reconnect the USB device.
The USB device takes longer to play.
The USB device contains large-sized files or files
with a complicated tree structure.
Audio files cannot be played.
USB devices formatted with file systems other
than FAT12, FAT16, FAT32 or exFAT are
unsupported.*
* This unit supports FAT12, FAT16, FAT32 and exFAT, but
some USB device may not support all of these. For details,
refer to the operating instructions of each USB device or
contact the manufacturer.
BLUETOOTH function
The other BLUETOOTH device cannot detect this
unit.
Set [Bluetooth Connection] to [ON] (page 17).
While connecting to a BLUETOOTH device, this
unit cannot be detected by another device.
Terminate the current connection and search for
this unit from the other device.
Depending on your smartphone or cellular
phone, you may need to delete this unit from the
history of the connected smartphone or cellular
phone then pair them again (page 7).
Connection is not possible.
Check the pairing and connection procedures in
the manual of the other device, etc., and perform
the operation again.
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.
There is no ringtone.
Raise the volume while receiving a call.
The talker's voice volume is low.
Raise the volume during a call.
22
GB
The other party says that the volume is too low
or high.
Adjust the [MIC Gain] level (page 13).
Echo or noise occurs during call conversations.
Reduce the volume.
Set [Speech Quality] to [Mode 1] or [Mode 2].
(page 13).
If ambient noise other than the phone call sound
is loud, try reducing this noise.
– Shut the window if road noise is loud.
– Lower the air conditioner if the air conditioner is
loud.
The phone sound quality is poor.
Phone sound quality depends on reception
conditions of the cellular phone.
– Move your car to a place where you can
enhance the cellular phone's signal if the
reception is poor.
The volume of the connected BLUETOOTH device
is low or high.
Volume level will differ depending on the
BLUETOOTH device.
– Reduce the volume level differences between
this unit and the BLUETOOTH device (page 11).
The sound skips during audio streaming or the
BLUETOOTH connection fails.
Reduce the distance between the unit and the
BLUETOOTH device.
If the BLUETOOTH device is stored in a case which
interrupts the signal, remove the case while
using the device.
Several BLUETOOTH devices or other devices (e.g.
ham radio devices) which emit radio waves are
used nearby.
– Turn off the other devices.
– Increase the distance between the unit and
other devices.
Playback sound stops momentarily when this
unit is connecting to a cellular phone. This is not
a malfunction.
The connected BLUETOOTH device cannot be
controlled during audio streaming.
Check that the connected BLUETOOTH device
supports AVRCP.
Some functions do not work.
Check that the connecting device supports the
functions in question.
A call is answered unintentionally.
The connecting phone is set to start a call
automatically.
[Auto Answer] of this unit is set to [ON] (page 13).