28
GB
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 10).
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 22).
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.
A call partner says that the volume is too low or
high.
Adjust the volume accordingly using mic gain
adjustment (page 19).
Echo or noise occurs in phone call conversations.
Lower the volume.
Set EC/NC Mode to [EC/NC-1] or [EC/NC-2]
(page 19).
If the ambient noise other than the phone call
sound is loud, try reducing this noise.
E.g.: If a window is open and road noise, etc., is
loud, shut the window. If an air conditioner is
loud, lower the air conditioner.
The phone is not connected.
When BLUETOOTH audio is played, the phone is
not connected even if you press CALL.
Connect from the phone.
