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67
Reference
■For the karaoke function
■For recording and editing operations
If this system does not work properly even after taking the action in the above “Possible solution”
Many functions of this system are controlled by microprocessors that can be reset by recycling the power
supply. If pressing any button does not result in the normal action, disconnect the power cable from the outlet,
wait for a while, and connect the power cable again.
Problem Possible cause Possible solution
Reference
page
The karaoke function
cannot be activated.
A microphone is not connected
to the main unit.
Connect a microphone.
41
The microphone mixing
function is not activated.
Activate the microphone mixing
function.
42
The scoring function
cannot be used.
The menu screen of a DVD
VIDEO, VCD, SVCD is
displayed on the TV screen.
Start playback. The menu screen
disappears and the scoring
function starts working.
45
The score is displayed
as “_ _” or seems
wrong.
The singing time is less than 3
minutes.
To obtain a correct score, sing the
song completely.
45
Your voice is too small or the
sensitivity of the connected
microphone is low.
Sing in a loud voice, adjust the
sensitivity if possible or replace the
microphone with one with a higher
sensitivity.
45
Problem Possible cause Possible solution
Reference
page
You cannot record.
(“CANT REC” is
displayed.)
The disc is not CD-DA. The format of a source disc must
be CD-DA. 48
The capacity of the USB mass
storage class device is full or there
have been maximum number of
groups/tracks.
Delete unnecessary groups/
tracks.
50
There have been maximum
number of tracks in the current
group.
Delete unnecessary tracks.
50
The USB mass storage class
device is write-protected.
Release the protect.
–
The current disc is CD-R/CD-RW
protected by the rights
management.
The format of a source disc must
be CD-DA. 48
You cannot change the
title of a group/track.
The USB mass storage class
device is write-protected.
Release the protect.
–
(“EDIT ERR” is
displayed.)
Something abnormal may be
happened.
Disconnect and connect the USB
mass storage class device. If the
message does not disappear,
change the USB mass storage
class device.
–
Troubleshooting (continued)
NX-F30[U].book Page 67 Tuesday, April 21, 2009 6:23 PM