5For the pre-output level or the maximum power output, refer to the “Specifications” in theinstruction manual of the center unit.5LINE IN terminal6Speaker level input terminals7Fuse (20 A ×2 : KAC-726)Fuse (15 A : KAC-526X)8Battery terminal9Ground terminal0Power control (REMOTE) terminal!SPEAKER OUTPUT terminalsNOTEProtection 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 indicator