VDO CD 4402 User Manual

Also see for CD 4402 -: Datasheet

6Installing a subwooferAs a major element of your sound reproduc-tion system, you can install a subwoofer.Two main configurations are offered:1- Without an external amplifier (see Fig.3):a/ Connect the subwoofer speaker on B(Pins 7 and 8: Rear left) then set ON thesubwoofer amplifier in the Sound InitMenu.b/ Select a low frequency threshold in theSound Init Menu: 40 or 80 Hz.Note : In this case, the loudspeaker Rear rightis switched OFF.2- With an external amplifier (see Fig.8):a/ connect the subwoofer speaker on anexternal amplifier, then connect this oneon D2 (Pin 23: subwoofer output).b/ set OFF the subwoofer amplifier in theSound Init Menu.c/ Select a low frequency threshold in theSound Init Menu: 40 or 80 Hz.Note 11 : Before using the subwoofer, you canadjust its volume in the Sound Menu.Note 22 : In this case, you keep independent thefour loudspeakers switched ON in B.FRONTRemoving the front1- Press the REL key.2- Pull the front towards you.3- Take the detachable front with you whenyou leave the car.4- Keep the front in its protective cover.Note : if you leave the front when you leavethe car, the set will beep 10 seconds afterremoval of the ignition key.Replacing the front1- Put the right side whole of the front intothe socket of the set.2- Push the left side of the front into placeuntil it clicks into position.Note 11 : If you hear a warning signal, the frontis not properly replace.Note 22 : To ensure good connection betweenthe set and the detachable unit, it is advisableto clean carefully the connections with acotton swab from time to time.WARNINGSWarning LEDWhen the engine is switched off and the frontis removed, the warning LED flashes.You can switch off the warning LED (see Mainmenu, Warning LED function).Security Warning StickersStick the Security Warning stickers providedon the windows of your car.IDENTIFICATION NUMBERThe set has a unique identification numbershown on the security card (see separate ins-tallation card).Warning: Do not leave the Secu-rity Card in your car. This one willprove your owner-ship if the setis stolen, the front lost or if theset requires after-sales service.Calibrating the SpeedUse this function to manually calibrate thespeed value according to current car speed.1- Switch ON the motor of your car with thecontact key.2- Switch ON the car radio.3- While the car is stopped, long press on theCOMPUTER key.!SECURITYCONFIGURATION