Dukane 401-8755E-01 Whisper function is working, Not properly adjusted, Lens is dirty or misty

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Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

	Phenomenon	Cases not involving a machine defect	Reference
	Phenomenon	Cases not involving a machine defect	page
			page

		The brightness and/or contrast are adjusted to an
		extremely low level.	25, 26
		Adjust BRIGHTNESS and/or CONTRAST settings to a	25, 26
		Adjust BRIGHTNESS and/or CONTRAST settings to a
		higher level using the menu function.
	Pictures appear	The WHISPER function is working.
	dark.	Select NORMAL for the WHISPER item in the SETUP	26, 35
		menu.
		The lamp is approaching the end of its product
		lifetime.	50, 51
		Replace the lamp.
		Either the focus and/or horizontal phase settings are
		not properly adjusted.	19, 30
	Pictures appear	Adjust the focus using the focus ring, and/or H PHASE	19, 30
	Pictures appear	Adjust the focus using the focus ring, and/or H PHASE
	blurry.	using the menu function.
		The lens is dirty or misty.	54
		Clean the lens referring to the section “Caring for the lens”.	54

NOTE • Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and it does not constitute or imply a machine defect.

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Contents Model 8755E Page Trademark acknowledgment About this manualThank you for purchasing this projector Content Fastening the lens cover Projector featuresPreparations Part names ProjectorRGB OUT port  Power switch AC inlet  Video ports Remote control Control buttonsSetting up Arrangement Min Max DownAdjusting the projectors elevator Elevator feet Elevator buttonSecurity Bar Anti-theft chain or wire sold separately Using the Security BarHow to attach Connecting your devices About Plug-and-Play capabilityExamples of connection with a computer Connecting to a monitor outputConnecting to a speaker with amplifier output RS-232C USBCR/PR Examples of connection with a VCR/DVD playerCB/PB Connecting power supply AC inlet Connector Power cordRemote control Putting batteriesUsing the remote control Changing the signal setting for the projectors remote sensorTurning off the power Power on/offTurning on the power Off. Attach the lens coverOperating Adjusting the volumeSelecting an input signal Temporarily muting the soundSelecting an input signal Searching an input signalAdjusting the zoom and focus Selecting an aspect ratio For a video signal or s-video signal Using the automatic adjustment featureAdjusting the position  For a component video signalUsing the magnify feature Correcting the keystone distortionsFreezing the screen Temporarily blanking the screenUSB mouse and keyboard control Available function Remote control operationOperating the computer screen Move pointerMenu button Enter button Cursor buttons Reset button Multifunctional settingsUsing the menu function Easy MenuEasy Menu Easy Menu Gamma Adjust the level using the buttonsPicture Menu Picture Menu Color TempMY Memory Over Scan PhaseImage Menu PositionFor a component video signal For a video signal or s-video signalAuto Adjust Image MenuVideo NR Input MenuProgressive Color SpaceVideo Format Input MenuComponent Frame LockCustom Resolution Setup Menu Volume Setup MenuUsing the buttons / switches the mode for mirror status AudioBlank Screen MenuMenu Position MyScreen Lock Screen MenuStart UP Message Auto on Option MenuAuto Search Lamp Time Option MenuAuto OFF MY ButtonGhost ServiceFAN Speed Filter MessageUse the / button to change the Projectors remote sensor Factory ResetRemote Freq InformationChanging the Password Using Security FeaturesInputting the Password SecurityTurning on the MyScreen Password Function Using the MyScreen Password FunctionDescription If you have forgotten your Password Setting the PasswordRegistering the PIN Code Using the PIN Lock FunctionTurning the Password off Turning Off the PIN Lock Function If you have forgotten your PIN CodeTurning On the Transition Detector Function Using the Transition Detector FunctionSetting the Transition Detector Password Setting the Transition Detector off Maintenance LampType number = 456-8755E Case of replacement by yourselfLamp Lamp cover Screw Screws HandleHandle Filter cover Air filterType number = NJ22222 Air filter Air filter’s knobPage Internal temperature is rising TroubleshootingThere is no input signal Related messagesRegarding the indicator lamps Regarding the indicator lamps Signal cables are not correctly connected Electrical power cord is not pluggedPower switch is not set to the on position Signal source does not correctly workColor settings are not correctly adjusted Volume is adjusted to an extremely low levelAudio setting is not correct Color Space setting is not suitableWhisper function is working Not properly adjustedEither the focus and/or horizontal phase settings are Lamp is approaching the end of its product LifetimeWarranty and after-service SpecificationsSpecifications Example of computer signal TechnicalInitial set signals Connection to the ports 75Ω terminated positiveComponent Video D Y, E CB/PB, F CR/PR ±0.1Vp-p, 75Ω terminator200mVrmsmax kΩ termination 200mVrmsmax kΩ output impedanceCommand data Connecting the cableCommunications setting ProtocolUsing the projector default settings Reset Command Requesting projector status Get commandChanging the projector settings Set command Increasing the projector setting value Increment commandRS-3C Communication CRC Be EF EA F5 Be EF CE D6 CB D6 Pуcckий Be EF 08 D3 RGB1 Page Page Audio Visual Products