CONDITION
POSSIBLE CAUSES
POSSIBLE SOLUTIONS
No USB audio.
• NAD USB Audio is not installed in your PC.
• Download NAD USB Audio driver from NAD
website and install to your PC.
• 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.
Remote control’s [VOL
5/6
] no function.
• “Volume Setup” is set to “Fixed”.
• Set “Volume Setup” to “Variable.
Remote control’s [MUTE] no function.
Cannot power ON the C 510.
• 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 [DIM] button until desired brightness
level.
No display.
• C 510 is in standby mode.
• Press Standby button to switch the C 510
from standby mode to operating mode.
• Display brightness level is set to off via the
remote control's [DIM] button.
• Toggle remote control's [DIM] button to
illuminate the display through various
brightness levels.
C 510 does not respond to remote control
commands.
• Batteries are flat or incorrectly inserted.
• Check batteries.
• Infrared receiver (IR) window of C 510 or
IR transmitter of the remote control is
obstructed.
• Check IR windows and ensure clear line-of-
sight from remote to C 510.
• C 510 front panel is in very bright sunlight or
ambient light.
• Reduce sunlight/room lighting.
RESTORING C 510 TO ITS FACTORY DEFAULT SETTINGS
1
Press and hold front panel [
S
] button.
2
Set to ON the rear panel POWER switch while still holding on to [
S
] button.
3
VFD illuminates. Release [
S
] button. VFD will show
SETUP VFD TEST
V1.xx RESET
“VFD TEST” is flashing. V1.xx stands for the software version.
4
Within 3 seconds, press front panel Standby button and “RESET” will now flash.
5
C 510 will go to reset mode with the VFD showing “Factory Reset..”.
The C 510 is now reset and will automatically shut down.
REFERENCE
TROUBLESHOOTING
13
ENGLISH
FR
ANÇ
AIS
ESP
AÑOL
IT
ALIANO
DEUT
SCH
NEDERL
ANDS
SVENSK
A
РУ
ССКИЙ
