Lamp unit cover & Insert the new lamp unit while making sure that the direction of insertion is correct, and use a Phillips screwdriver securely tighten the fixing screws. When inserting Lamp unit cover sure to push A and B. ENGLISH-51 AB Lamp unit fixing screws Care and maintenance Care and maintenance ' Install the lamp unit cover, and then use a Phillips screwdriver to securely tighten the lamp unit cover fixing screws. NOTE: BBe sure to install the lamp unit and the lamp unit cover securely. If they are not securely installed, it may cause the protection circuit to operate so that the power cannot be turned on. ( Insert the power cord plug into the wall outlet and then press the MAIN POWER switch. NOTE: BIf the POWER indicator on the projector does not illuminate red when the MAIN POWER switch is turned on, turn the MAIN POWER switch off again, unplug the power cord from the electrical outlet, and check that the lamp unit and the lamp unit cover are securely installed. Then turn the MAIN POWER switch back on. ) Press the POWER button so that a picture is projected onto the screen. * Press the MENU button to display the MAIN MENU screen, and then press the F and G buttons to move the cursor to select “OPTION2”. MENU KEYSTONE PICTURE POSITION INDEX WINDOW SHUTTER VOLUME LANGUAGE OPTION1 OPTION2 SECURITY SELECT ENTER EXIT 52-ENGLISH + Press the ENTER button to Before calling for service display the OPTION2 screen, and then use the F and G Before calling for service, check the following points. buttons to select LAMP RUNTIME. Problem Possible cause Page Power does not BThe power cord may not be connected. – turn on. BThe MAIN POWER switch is turned off. BThe main power supply is not being supplied to the wall outlet. BTEMP indicator is illuminated or flashing. BLAMP indicator is illuminated or flashing. BThe lamp unit cover has not been securely installed. – – 47 48 – No picture BThe video signal input source may not be – appears. connected properly. BThe input selection setting may not be correct. BThe BRIGHT adjustment setting may be at the minimum possible setting. BThe shutter function may be in use. 23 36 27 The picture is BThe lens cover may still be attached to the lens. – fuzzy. BThe lens focus may not have been set correctly. 23 BThe projector may not be at the correct distance 18 from the screen. BThe lens may be dirty. – BThe projector may be tilted too much. 18 COLOR is too light or TINT is poor. BCOLOR or TINT adjustment may be incorrect. BThe input source which is connected to the projector may not be adjusted correctly. 36 – No sound can BThe audio signal source may not be connected – be heard. properly. BThe volume adjustment may be at the lowest possible setting. 28, 31 The remote BThe battery may be weak. – control unit BThe battery may not be inserted correctly. 21 does not BThe remote control signal receptor on the 21 operate. may be obstructed. BThe remote control unit may be out operation range. 21 The buttons on BThe CONTROL KEY may be 44 the projector do In order to set the CONTROL not function. using the remote control the ENTER button on MENU button for be turned ON. OPTION2 BACK COLOR BLUE FRONT/REAR FRONT DESK/CEILING DESK FAN CONTROL STANDARD LAMP POWER HIGH LAMP RUNTIME 1820H FUNC 1 INDEX CONTROL KEY ON AUTO POW.OFF DISABLE SELECT RETRN , Press and hold the ENTER button for approximately 3 seconds. NOTE: BIf the MENU button is pressed, the lamp time resetting screen will be cancelled. - Turn off the power. This will reset the cumulative usage time for the zero. Refer to page how to turn ENGLISH-53 The “LAMP RUNTIME” will change to “TIME RESET [POWER OFF]”. OPTION2 BACK COLOR BLUE FRONT/REAR FRONT DESK/CEILING DESK FAN CONTROL STANDARD LAMP POWER HIGH TIME RESET [POWER OFF] FUNC 1 INDEX CONTROL KEY ON AUTO POW.OFF DISABLE SELECT RETRN Cleaning and maintenance Problem Possible cause Page The picture does BThe signal format (TV system) may not be set 36 not display correctly. correctly. BThere may be a problem with the video tape or other signal source. BA signal which is not compatible with the projector may be being input. – 58 Picture from BThe cable may be too long. – computer does BThe external video output for the laptop computer – not appear. may not be set correctly. (You may be able to change the external output settings by pressing the [Fn]+[F3] or [Fn]+[F10] keys simultaneously. The actual method varies depending on the type of computer, so refer to the documentation provided with your computer for further details.) BIf an RGB input indicator is turned off, the video signals may not be output from the computer. BRGB2 SELECT in the OPTION1 menu is set to OUTPUT when the signals are input to RGB2 IN / RGB1 OUT connector. 14, 25 42 Before carrying out cleaning and maintenance, be sure to disconnect the power cord plug from the wall outlet. Wipe the cabinet with a soft, dry cloth. If the cabinet is particularly dirty, soak the cloth in water with a small amount of neutral d...