4 | KDC-X896/ KDC-BT852HD/ KDC-X496/ KDC-452U/ KMR-550U English | 5

Contents
Before use

Before using the KDC-X896, KDC-BT852HD,

KDC-X496, or KDC-452U for the first time

This unit is factory-set to operate in the
Demonstration mode initially.
When using this unit for the first time, cancel
the Demonstration mode. Refer to <Exiting the
Demonstration mode> (page 4) in Quick Start
Guide.

2 WARNING

To prevent injuries or a fire, take the

following precautions:

•Stop the car before operating the unit.
•To prevent a short circuit, never put or leave any
metallic objects (such as coins or metal tools) inside
the unit.
¤ CAUTION
•Adjust the volume so that you can hear the sound
outside the car. Driving with the volume too high
may cause an accident.
•Wipe off the dir t on the panel with a dry silicon or
soft cloth.
Failure to observe this precaution may result in
damage to the monitor or unit.

Cleaning the connector

The unit may not function properly if the connectors
between the unit and faceplate are dirty. Detach the
faceplate and clean the connector with a cotton swab
gently, being careful not to damage the connector.
Connector

Condensation

When the car is air-conditioned, moisture may collect
on the laser lens. This may cause disc read errors. In
this case, remove the disc and wait for the moisture
to evaporate.

Notes

•I f you experience problems during installation,
consult your Kenwood dealer.
•When you purchase optional accessories, check with
your Kenwood dealer to make sure that they can
work with your model and in your area.
•Charac ters that conform to ISO 8859-1 can be
displayed.
•The illustrations of the display and panel appearing
in this manual are examples used to explain more
clearly how the controls are used. Therefore, what
appears on the display in the illustrations may differ
from what appears on the display on the actual
equipment, and some of the images on the display
may be inapplicable.

About the discs used with this unit

•This unit can only play the CDs with .
•The following discs cannot be used:
-A discs that is not round
-A discs with coloring on the recording surface or a
disc that is dirty
-A recordable/rewritable disc that has not been
finalized (For the finalization process, refer to
the instruction manual that came with your disc
writing software or your disc recorder.)
-An 8 cm (3 inch) disc (An attempt to insert using
an adapter can cause malfunction.)

Handling discs

•Do not touch the recording sur face of the disc.
•Do not stick tape etc. on the disc, or use a disc with
tape stuck on it.
•Do not use any accessories for the disc.
•Do not use any solvents to clean discs. Use a dry
silicon or soft cloth.
•Clean the disc by moving the cloth outward from
the center of the disc.
•When removing a disc from this unit, pull it out
horizontally.
•I f the center hole or outside rim of a disc has burrs,
remove them before inserting a disc.

How to reset your unit

If the unit fails to operate properly, press the Reset
button. The unit returns to the factory settings when
the Reset button is pressed.
Reset button

About the remote controls of KMR-550U

A maximum of 2 remote controls (KCA-RC107MR or
KCA-RC55MR; optional accessory) can be used with
the KMR-550U. For details on how to use the remote
control, refer to the operation manual attached to it.
When using the remote control with this unit, you
should register the remote control ID. For details, refer
to <Registering a remote control ID> (page 72).