English | 3Safety precautionsAbout CD players/disc changersconnected to this unit (KDC-W5031 only)KENWOOD disc changers/ CD players released in1998 or later can be connected to this unit.Refer to the catalog or consult your Kenwooddealer for connectable models of disc changers/CD players.Note that any KENWOOD disc changers/ CD playersreleased in 1997 or earlier and disc changers madeby other makers cannot be connected to this unit.Unsupported connection may result in damage.Setting the "O-N" Switch to the "N" position for theapplicable KENWOOD disc changers/ CD players.The functions that can be used and the informationthat can be displayed will differ depending on themodels being connected.• You can damage both your unit and the CD changer ifyou connect them incorrectly.Lens FoggingRight after you turn on the car heater in coldweather, dew or condensation may form onthe lens in the CD player of the unit. Called lensfogging, CDs may be impossible to play. In sucha situation, remove the disc and wait for thecondensation to evaporate. If the unit still doesnot operate normally after a while, consult yourKenwood dealer.2WARNINGTo prevent injury or fire, take thefollowing precautions:• To prevent a short circuit, never put or leave anymetallic objects (such as coins or metal tools)inside the unit.Attach the panel while you are on thevehicleThe panel lock arm will be appeared when thepanel is removed. Therefore, the panel must beattached during the driving.2CAUTIONTo prevent damage to the machine, takethe following precautions:• Make sure to ground the unit to a negative 12VDC power supply.• Do not install the unit in a spot exposed to directsunlight or excessive heat or humidity. Also avoidplaces with too much dust or the possibility ofwater splashing.• Do not set the removed faceplate or the faceplatecase in areas exposed to direct sunlight, excessiveheat or humidity. Also avoid places with too muchdust or the possibility of water splashing.• To prevent deterioration, do not touch theterminals of the unit or faceplate with yourfingers.• Do not subject the faceplate to excessive shock,as it is a piece of precision equipment.• When replacing a fuse, only use a new one withthe prescribed rating. Using a fuse with the wrongrating may cause your unit to malfunction.• Do not apply excessive force to the openfaceplate or place objects on it. Doing so willcause damage or breakdown.• Do not use your own screws. Use only the screwsprovided. If you use the wrong screws, you coulddamage the unit.Do Not Load 8 cm (3 in.) CDs in the CDslotIf you try to load a 8 cm (3 in.) CD with its adapterinto the unit, the adapter might separate from theCD and damage the unit.