Kenwood KAC-746 Instruction Manual

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Contents

5• STEREO position:The amplifier can be used as a stereo amplifier.• L+R position:The input left and right signals are combined before being amplified. Use this position when theunit is used for subwoofer speakers or the L+R (monaural) sound is required.• MONO (Lch) position:Amplifies the signal input from the left side only. Set to this position and make bridgedconnections to use as a high-power monaural amplifier. (The input right signal is not output.)!INPUT SENSITIVITY controlSet this control according to the pre-output level of the center unitconnected with this unit, or to the maximum power output of the genuine-accessory car stereo.Use the diagram on the right as a guide.For the pre-output level or the maximum power output, refer to the“Specifications” in the instruction manual of the center unit.@RCA cable ground lead terminal#INPUT SELECTOR switchThis switch selects the input method of the signals to be amplified by amplifiers A and B.• A B position:Amplifies both of the signals input to amplifiers A and B.• A position:Amplifies only signal input amplifier A with both amplifiers A and B.$Amplifier A LINE IN terminal%Amplifier B LINE IN terminal^LINE OUT terminalThese jacks output respectively the signals input to amplifiers A and B. They always outputthe stereo signals regardless of the position of the OPERATION switch.NOTEProtection functionThis unit is equipped with a protection function for protecting this unit and yourspeakers from various accidents or problems that can occur.When the protection function is triggered, the Power indicator goes off and theamplifier stops operating.nPower indicator:When the power is turned on, the Power indicator lights.If the Power indicator does not light when the power is turned on, theprotection function may be activated. Check whether there is anyindication of trouble.nThe protection function activates in the followingsituations:• When a speaker output contacts ground.• When the unit malfunctions and a DC signal is sent to the speaker output.• When the temperature of internal parts exceeds 120°C (248°F).• When a ground cable of the center unit (cassette receiver, CD receiver,etc.) or this unit is not connected to a metal part serving as an electricalground passing electricity to the battery's negative - terminal.Power indicatorMAXMIN0.30.51.0(W)251510