Item FL display Key operationMode name Description (Remote controller key)Laser power confirmation Drive state is judged based on differencebetween laser power value at shipping andpresent laser power value.If DVD-RAM disc in not inserted,[NO DISC] is displayed.If power value study was filed,[ERROR] is displayed.1. into RAMDrive in service mode. (Othermedia are assumed to be non-correspondence.)2. Press [4] [4].Turn on all FL/LEDs All segments of FL and all LEDs are turnedon.All segments are turned on. Press [5] [1] in service mode.S1 signal output Forcibly superimpose the S1 signal (approx.4.5V DC) on the EE chroma signal, and checkthe output on the S terminal.Press [5] [2] in service mode.S2 signal output Forcibly superimpose the S2 signal (approx.2V DC) on the EE chroma signal, and checkthe output on the S terminal.Press [5] [3] in service mode.Front connectioninspectionPress all front keys and check the connectionbetween Main P.C.B. and Front key Switches.(1) Each time a key is pressed,segment turned on increases oneby one.(2) Total number of keys that havebeen pressed.Press [5] [4] in service mode.*When finish this mode, press[POWER] for 10 seconds.Production Date Display Display the date when the unit was produced.YY: YearMM: MonthDD: DayPress [6] [1] in service mode.Display the accumlatedworking timeDisplay the accumulated unit´s working time.(Indicating unit: Second)Press [6] [4] in service mode.24DMR-EZ47VP / DMR-EZ475VP