Kenwood DDX419 User Manual

Page of 88
68   
 DDX719/DDX7049BT/DDX419/DDX4049BT/DDX319/DDX3049   
Caution on cleaning the unit 
Do not use 
any solvent 
(for example, 
thinner, 
benzine, etc.), 
detergent, or 
insecticide. This may damage the monitor or 
the unit.
Recommended cleaning method:
Gently wipe the panel with a soft, dry cloth.
Moisture condensation
Moisture may condense on the lens inside 
the unit in the following cases:
•  After starting the heater in the car.
•  If it becomes very humid inside the car.
Should this occur, the unit may malfunction. 
In this case, eject the disc and leave the unit 
turned on for a few hours until the moisture 
evaporates.
How to handle discs
When removing a disc 
from its case,
 press 
down the center holder 
of the case and lift the 
disc out, holding it by the 
edges.
•  Always hold the disc by the edges. Do not 
touch its recording surface.
When storing a disc in its case, gently 
insert the disc around the center holder (with 
the printed surface facing up).
•  Make sure to store discs in their cases after 
use.
Center holder
To keep discs clean
A dirty disc may not play correctly.
If a disc does become dirty, wipe 
it with a soft cloth in a straight line 
from center to edge.
•  Do not use any solvents (for 
example, conventional record cleaner, 
spray, thinner, benzine, etc.) to clean discs.
To play new discs
New discs may have some 
rough spots around the inner 
and outer edges. If such a disc 
is used, this unit may reject the 
disc.
To remove these rough spots, rub the 
edges with a pencil or ball-point pen, etc.
Do not use the following discs:
 3 inch disc
Warped disc
Sticker and sticker 
residue
Stick-on label
Unusual shape
C-thru Disc (semi-
transparent disc)
Transparent or semi-
transparent parts on 
its recording area
REFERENCE
Maintenance
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