CONDITION
POSSIBLE CAUSES
POSSIBLE SOLUTIONS
No “Computer” audio .
• Sound or Audio device setting of your PC or Mac
is not set to “NAD USB Audio”.
• Set your PC or Mac Audio or Sound device
setting to “NAD USB Audio”.
• No music files being played back from your PC
or Mac.
• Playback a music file from your computer.
Cannot power ON the C 390DD .
• Rear panel POWER switched off.
• Set to “ON” the rear panel POWER switch and
then press front panel Standby button.
VFD is dim .
• Low brightness level of VFD is selected.
• Toggle [DIMMER] button until desired
brightness level.
VFD show “No files found” even if a
USB device with files is connected .
• There are no applicable MP3/WMA/FLAC files
available in the USB device.
• Load MP3/WMA/FLAC files in the USB device for
playback.
C 390DD does not respond to remote
control commands .
• Batteries are flat or incorrectly inserted.
• Check batteries.
• Infrared receiver (IR) window of C 390DD or IR
transmitter of the remote control is obstructed.
• Check IR windows and ensure clear line-of-sight
from remote to C 390DD.
• C 390DD front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting.
• IR Channel setting of C 390DD is different with
the IR Channel setting of the remote control.
• Ensure that both C 390DD and the remote
control are set to the IR Channel setting.
RESTORING C 390DD TO ITS FACTORY DEFAULT SETTINGS
Press and hold front panel together front panel buttons [
a
SOURCE] and [SOURCE
s
] until the VFD shows “Factory Reset”. The C 390DD is now restored to its
factory default settings.
REFERENCE
TROUBLESHOOTING
22
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