1. Before use

1-1. Safety precaution

# 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 dirt on the panel with a dry silicon or soft cloth.

Failure to observe this precaution may result in damage to the monitor or unit.

If you experience problems during installation, consult your Kenwood dealer.

4 KDC-BT73DAB/ KDC-BT53U/ KDC-5057SD

1-2. Important information

Before using the this unit 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 <Cancel the Demonstration mode> (page 13).

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.

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.

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.

Notes

When you purchase optional accessories, check with your Kenwood dealer to make sure that they can work with your model and in your area.

Characters that conform to ISO 8859-1 can be displayed.

Characters that conform to ISO 8859-5 or ISO 8859-1 can be displayed. Refer to “Russian” of <12-7. Initial settings> (page 61).

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.

USB rating is indicated on the main unit under the detachable faceplate.

English 5

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Kenwood KDC-BT73DAB appendix Before use, Safety precaution, Important information