— 3 —Safety precautionsTo prevent injury or fire, take thefollowing precautions:• Insert the unit all the way in until it is fullylocked in place. Otherwise it may fall out ofplace when jolted.• When extending the ignition, battery, orground wires, make sure to use automotive-grade wires or other wires with a 0.75mm2(AWG18) or more to prevent wiredeterioration and damage to the wirecoating.• To prevent a short circuit, never put or leaveany metallic objects (such as coins or metaltools) inside the unit.• If the unit starts to emit smoke or strangesmells, turn off the power immediately andconsult your Kenwood dealer.• Make sure not to get your fingers caughtbetween the faceplate and the unit.• Be careful not to drop the unit or subject it tostrong shock.The unit may break or crack because itcontains glass parts.2WARNINGTo prevent damage to the machine,take the following precautions:• Make sure to ground the unit to a negative12V DC power supply.• Do not open the top or bottom covers of theunit.• Do not install the unit in a spot exposed todirect sunlight or excessive heat or humidity.Also avoid places with too much dust or thepossibility of water splashing.• Do not subject the faceplate to excessiveshock, as it is a piece of precisionequipment.• When replacing a fuse, only use a new onewith the prescribed rating. Using a fuse withthe wrong rating may cause your unit tomalfunction.• To prevent a short circuit when replacing afuse, first disconnect the wiring harness.• Do not place any object between thefaceplate and the unit.• Do not use your own screws. Use only thescrews provided. If you use the wrongscrews, you could damage the unit.• Do not apply excessive force to the movingfaceplate. Doing so will cause damage ormalfunction.• Do not apply excessive force to the openfaceplate or place objects on it. Doing so willcause damage or breakdown.Do Not Load 3-in. CDs in the CD slotIf you try to load a 3 in. CD with its adapterinto the unit, the adapter might separate fromthe CD and damage the unit.2CAUTION IMPORTANT INFORMATIONAbout the disc changer to beconnected:To connect a disc changer having the "O-N"switch to this unit, set the "O-N" switch to "N".Note that none of the KDC-C100, KDC-C302,C205, C705, and non-Kenwood CD changerscan be connected.You can damage both your unit and the CDchanger if you connect them incorrectly.Precautions when connecting disc changersreleased in 1997 or earlier.If a model with no "O-N" switch isconnected, some unavailable functions andinformation that cannot be displayed aregenerated.The marking of products using lasers(Except for some areas)The label is attached to the chassis/case andsays that the component uses laser beamsthat have been classified as Class 1. Itmeans that the unit is utilizing laser beamsthat are of a weaker class. There is nodanger of hazardous radiation outside theunit.CLASS 1LASER PRODUCT