English | 211 Enter StandbyPress the [SRC] button.Select the "STANDBY" display.2 Enter Menu modePress the [MENU] button for at least 1 second.When "MENU" is displayed, "SECURITY" isdisplayed.3 Enter Security Code modePress the Control knob for at least 1 second.When "ENTER" is displayed, "CODE" is displayed.4 Select the digits to enterPush the Control knob to [4] or [¢].5 Select the Security Code numbersPush the Control knob to [FM] or [AM].6 Repeat steps 4 and 5, and complete theSecurity Code.7 Confirm the Security CodePress the Control knob for at least 3 second.When "RE-ENTER" is displayed, "CODE" isdisplayed.8 Do the step 4 through 7 operation, andreenter the Security Code."APPROVED" is displayed.The Security Code function activates.• When the wrong Code is entered in steps 4 through 6,repeat from step 4.Press the Reset button and when it’s removedfrom the battery power source1 Turn the power ON.2 Do the step 4 through 7 operation, and enterthe Security Code."APPROVED" is displayed.The unit can be used.In Standby modeTouch Sensor ToneSetting the operation check sound (beep sound)ON/OFF.Display Setting"BEEP ON" Beep is heard."BEEP OFF" Beep canceled.In Standby modeManual Clock Adjustment1 Select Clock Adjustment modePush the Control knob to [FM] or [AM].Select the "CLK ADJ" display.2 Enter Clock Adjust modePress the Control knob for at least 1 second.The clock display blinks.3 Adjust the hoursPush the Control knob to [FM] or [AM].Adjust the minutesPush the Control knob to [4] or [¢].4 Exit Clock adjustment modePress the [MENU] button.In Standby modeDSI (Disabled System Indicator)A red indicator will blink on the unit after thefaceplate is removed, warning potential thieves.Display Setting"DSI ON" LED flashes."DSI OFF" LED OFF.Function of the KDC-MP4028/KDC-MP428In Standby modeDimmerDimming this unit’s display automatically whenthe vehicle light switch is turned ON.Display Setting"DIM ON" The display dims."DIM OFF" The display doesn’t dim.