Changing the Clock Display:Press the CLK button to switch the clock display on and off.The clock indicator lights while the clock is displayed.NOTEClock displayThis function amplifies low and high tones when the volume isturned down.The LOUD indicator lights up when the loudness function ison.Turning Loudness On/Off:Press the LOUD button for at least one second to switch theloudness on and off.Loudness— 9 —Switching Modes:Each time you press the SRC (source) button, the modeswitches as follows:Selecting standby mode:Press the SRC button repeatedly and switch to "ALL OFF/OFF".When "ALL OFF/OFF" is displayed, the standby mode isactivated.The standby mode turns all functions off while leaving thepower to the unit on. Use this mode when you want to havethe display illuminated but don't want to listen to anything.• The mode switches to the next mode from any mode whichcannot be used.• The external disc control mode will differ depending on the unitthat is connected.• To enable the selection of External disc control mode 2/AUXmode, you should connect optional switching adapter KCA-S210A (which allows you to select both External disc controlmode 2 and AUX mode) or CD changer (KDC-CPS87, KDC-CX87, KDC-CPS85, KDC-CX85, KDC-CPS82 or KDC-CX82) orswitching adapter CA-C1AX (which allows you to select AUXmode only).During the AUX mode, "AUX/AVin" will show in the display.When the CA-C1AX is being used, the AUX Mode will replacethe External Disc Control Mode.NOTETuner modeCD modeExternal disc control mode 1(KDC-416S/316S/37MR/316V only)External disc control mode 2 / AUX mode(KDC-416S/316S/37MR /316V only)Standby modeSwitching ModesFunction of the KDC-316S/KDC-37MR/KDC-316V/KDC-216S/KDC-116S