Knoll Systems LED1081 user manual Maintenance and Troubleshooting

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3.3	Mounting the LED1081	24
	Floor Mounting (Upright)	24
	Ceiling Mounting (Inverted)	24
	Adjusting the Projection Angle	24
3.4	Connections to the LED1081	25
	Connecting Source Components to the ED1081	25
	RS-232 Controller Connection	29
	Connecting an External IR Receiver	30
	Connecting to AC Power	30
3.5	Turning on the Power	31
3.6	Changing the OSD Language	31
3.7	Adjusting the Picture Orientation	31
	Rear Projection	31
	Ceiling Mode	31
3.8	Lens Adjustments	32
	Focus	32
	Zoom	32
	Lens Shift	33
Operation		34
4.1	Selecting an Aspect Ratio	34
4.2	Selecting An Input Source	34
4.3	Using the On-Screen Menus	34
	GENERAL	36
	IMAGE	40
	ADVANCED	48
	SETUP	52
	INFO	54
Maintenance and Troubleshooting		55
5.1	Cleaning the Intake and Exhaust Vents	55
	Cleaning the Air Vents	55
5.2	Troubleshooting Tips	56
Serial Interface Specifications		57
6.1	Transfer Specifications	57
6.2 RS-232 Commands		58
Specifications		65
7.1	LED1081 Specifications	65
7.2	LED1081 Dimensions	67
7.3	Supported Timings	68
7.4	Projection Distance and Screen Size	70

Table of Contents

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Contents Projector Table of Contents Maintenance and Troubleshooting About this manual Copyright InformationCopyright DisclaimerImportant Safety Instructions FCC Part Textual and Graphic Conventions IntroductionAbout This Manual Target AudienceUsing This Manual If you needTurn to Key Features and Benefits Description, Features and BenefitsParts List Additional Features of the LED1081LED1081 at a Glance Controls and FunctionsLED1081 Top/ Rear/ Bottom View Component LED1081 I/O PanelSource LED10801 Key PadCONT, BRIGHT, Sharp LED1081 Remote ControlRemote Control InstallationIR Reception Angles Advantages Considerations Installation ConsiderationsInstallation Type Ambient LightEstimated Throw Distance Throw DistanceVertical and Horizontal Position Floor InstallationOther Considerations Folded OpticsVertical Lens Shift Lens Shift15H Ceiling Mounting Inverted Adjusting the Projection AngleMounting the LED1081 Floor Mounting UprightConnections to the LED1081 Connecting Source Components to the LED1081RGB Connections Component Video Connections 10 Composite and S-Video Connections 11 RS-232 Control System Connection RS-232 Controller ConnectionConnecting to AC Power Connecting an External IR ReceiverChanging the OSD Language Turning on the PowerAdjusting the Picture Orientation Ceiling ModeLens Adjustments FocusZoom Vertical Lens Shift Horizontal Lens Shift Selecting An Input Source Using the On-Screen MenusOperation Selecting an Aspect RatioLED1081 OSD Menu Structure General PIP PIP Split Mode Memory Sub-Menu Image Aspect Ratio Settings Below Black Above Black 10 Typical Gray Bar Pattern for Adjusting Contrast 12 Typical Test Pattern for Adjusting Sharpness 13 Noise Reduction Sub-Menu 14 Overscan Examples 15 HSG Sub-Menu Advanced OperaTion 4 17 RGB Adjust Sub-Menu 18 Fine Sync Sub-Menu Setup Trigger commands are deactivated when a PIP source is active Info TroubleshootingMaintenance Cleaning the Intake and Exhaust VentsCleaning the Air Vents Symptom Possible Causes Solution Troubleshooting TipsSerial Interface Specifications Transfer SpecificationsSpecifications IR Codes and Keynames Remote Button Description RS-232 CommandsIR Codes and Keynames Operation Command Values Function Command Action on unit= RGB = PBP = LED Operations Commands LED1081 Specifications OpticsElectrical Mechanical Standard AccessoriesShows the LED1081 dimensions, in millimeters LED1081 DimensionsSupported Timings Sdtv Projection Distance and Screen Size Specifications Specifications Specifications