Panasonic SL-CT720 Operating Guide

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No play.
No sound or there
is a lot of noise.
Play doesn’t
resume from the
last point stopped.
Play doesn’t start
from the first track.
Cannot search
through tracks.
Cannot specify point A or B.
1
Cannot change the
Digital Re-master
mode, anti-skip mode.
Digital Re-master
does not work.
Cannot skip albums.
Cannot hear the remote
control’s operation tone.
The remote control
does not work properly.
The unit beeps
rapidly.
Cannot recharge.
The AC adaptor becomes
warm during recharging.
The batteries are taking
a long time to recharge.
Play time is short
after recharging.
The battery
indicator fails to
appear or is
incorrect.
The unit stops
working.
The HOLD function is on. Release HOLD (➪page 5).
The batteries may be depleted (➪page 4).
The disc isn’t correctly set.
The disc is scratched or dirty. (Tracks may be skipped
particularly with MP3 discs.)
There is moisture on the lens. Wait for about an hour
and then try again.
The lens is dirty: clean it with a blower (recommended
product: SZZP1038C). If the lens gets marked with
fingerprints, gently wipe them off with a cotton swab.
The unit may not read MP3 correctly if it is shaken
while  reading the files.
If there is no data between sessions on a multi-session
disc, play may not be possible.
If there is a large amount of JPEG data etc. within a MP3 file,
sound may become muted and play may not be possible. 
If the disc contains data with different formats, sound
may stop being output or play may not be possible.
If a CD-ROM format disc contains both MP3 files and
non-MP3 files, only the MP3 files will be playable.
Ensure the plugs are inserted firmly.
Wipe the plugs with a clean cloth.
Noise may occur when playing MP3 if recording quality is poor.
The elapsed playing time disappears and sound is
interrupted if bumps continue repeatedly.
There is no sound from the earphones if you have
connected the unit to other equipment.
This doesn’t work during random play. 
It may not work correctly under some conditions.
Random play modes may be on (➪page 5).
Play resumes from where last stopped (➪page 5, Play). 
(If the lid is opened while the unit is turned off, the resume
function may not be cancelled.)
You cannot search through a disc with MP3 files.
You may not be able to specify point A or B at the end of disc.
SL-CT720
Dear Customer
Thank you for purchasing this product.
Before connecting, operating or adjusting this product, please
read these instructions completely. Please keep this manual
for future reference.
RQT7722-B
F0704SZ0
GN GK GH
EB
EG
p
GC
Operating Instructions
Portable CD Player
Note:
“EB” on the packaging indicates the United Kingdom.
Matsushita Electric Industrial Co., Ltd.
Web Site: http://www.panasonic.co.jp/global/
Troubleshooting guide
Before requesting service, make the following checks. If you are  in doubt about some of the check points, or if the remedies indicated in the chart do
not solve the problem, consult your dealer for instructions. (The information in Italics applies only to areas other than Europe, Australia and N.Z.)
If [:] or [9] is pressed before [$MEMO/%DISP]
you cannot change the mode.
Depending on the type of MP3 disc recording, the effect
may not appear.
You cannot skip between the first and last albums during play.
The operation tone may be off (➪page 5).
Remove the plug and reinsert it as fully as possible.
Use only the included remote control to operate this unit.
The operation is not possible. You cannot adjust the volume,
sound quality or anti-skip mode if you have connected the unit
to other equipment. Adjust them on the other equipment.
You aren’t using the special rechargeable batteries (➪page 4).
You must insert two batteries before you can recharge them.
The unit must be off before you can recharge.
This is normal.
The batteries may take as much as 6 hours to recharge
under some conditions.
This may occur the first time you recharge the batteries
or if you haven’t used them for a long time. Play time
should be restored after a few recharges.
The batteries can go flat if you leave the AC adaptor
connected after recharging is complete.
If play is extremely short even after fully recharging the batteries,
the batteries may have exceeded their life. (Rechargeable
batteries can be recharged approximately 300 times.)
The indicator does not appear when the AC adaptor is connected.
The indicator may not appear correctly when using the
rechargeable and dry cell batteries at the same time and
under certain conditions.
Disconnect then reconnect all power sources (batteries
and AC adaptor).
GS
SG
RQT7722-B.qxd  04.9.29 6:06 PM  ページ 1