Knoll Systems LED1081 user manual Vertical Lens Shift

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Lens Shift

The LED1081 has a lens shift capability which allows the vertical movement of the image without moving the projector.

Lens shift is generally expressed as a percentage of the screen height. For ceiling mounted projectors, the lens can be moved 120% (0.6V) downward, while the lens can be moved 120% (0.6V) up or down on a desktop mounted projector.

Vertical Lens Shift:

V

0.6V

0.6V

V

0.6V

	Note	This is a general example of lens shift. Lenses vary in their shift capabilities. No particular lens or
	Note	projector is used in this example.
		projector is used in this example.
		Figure 3-5: Vertical Lens Shift (Example Only)

22Installation

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Contents Projector Table of Contents Maintenance and Troubleshooting Disclaimer Copyright InformationCopyright About this manualImportant Safety Instructions FCC Part Target Audience IntroductionAbout This Manual Textual and Graphic ConventionsIf you need Using This ManualTurn to Description, Features and Benefits Key Features and BenefitsAdditional Features of the LED1081 Parts ListControls and Functions LED1081 at a GlanceLED1081 Top/ Rear/ Bottom View LED1081 I/O Panel ComponentLED10801 Key Pad SourceLED1081 Remote Control CONT, BRIGHT, SharpInstallation Remote ControlIR Reception Angles Ambient Light Installation ConsiderationsInstallation Type Advantages ConsiderationsThrow Distance Estimated Throw DistanceFloor Installation Vertical and Horizontal PositionFolded Optics Other ConsiderationsLens Shift Vertical Lens Shift15H Floor Mounting Upright Adjusting the Projection AngleMounting the LED1081 Ceiling Mounting InvertedConnecting Source Components to the LED1081 Connections to the LED1081RGB Connections Component Video Connections 10 Composite and S-Video Connections RS-232 Controller Connection 11 RS-232 Control System ConnectionConnecting an External IR Receiver Connecting to AC PowerCeiling Mode Turning on the PowerAdjusting the Picture Orientation Changing the OSD LanguageFocus Lens AdjustmentsZoom Vertical Lens Shift Horizontal Lens Shift Selecting an Aspect Ratio Using the On-Screen MenusOperation Selecting An Input SourceLED1081 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 Cleaning the Intake and Exhaust Vents TroubleshootingMaintenanceCleaning the Air Vents Troubleshooting Tips Symptom Possible Causes SolutionTransfer Specifications Serial Interface SpecificationsSpecifications RS-232 Commands IR Codes and Keynames Remote Button DescriptionIR Codes and Keynames Function Command Action on unit Operation Command Values= RGB = PBP = LED Operations Commands Optics LED1081 SpecificationsElectrical Standard Accessories MechanicalLED1081 Dimensions Shows the LED1081 dimensions, in millimetersSupported Timings Sdtv Projection Distance and Screen Size Specifications Specifications Specifications