Optoma Technology HD81 manual Remote Control Problems, If the remote control does not work

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Appendices

RS232 connection fail:

Replacing the lamp:

Remote Control Problems

Projector side don’t have IR receiver.

IR receiver are only on front of Box side and IR Module.

If the remote control does not work

Check±22.5°.the operating angle for the remote control is approximately

Make sure there are not any obstructions between the remote con- trol and the HD81’s Box. Move to within 6 m (20 ft) of the HD81’s Box.

Make sure batteries are inserted correctly.

Make sure batteries are exhausted. If so, replace weak batteries in the remote control.

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Contents Table of contents Table of contents Usage Notice Weee Important Safety Instruction Safety InformationClass B emissions limits Precautions Time, the message Replacement suggested willDon’t Eye Safety Warnings Recommendations Product Features IntroductionIntroduction Package Overview Available in European version only DocumentationProduct Overview Projector PartControl Panel Connection PortsVideo Box Part Front Panel Introduction Back PanelRemote Control EnglishInstallation Connecting the ProjectorInstallation Connecting HD81 To AV ReceiverInstallation Installation Powering On the Projector Powering On/Off the ProjectorLens Cap Main Power Switch Powering Off the Projector Adjusting the Projected Image Adjusting the Projector’s HeightAdjusting the Projector’s Zoom / Focus Adjusting Projection Image SizeControl Panel & Remote Control Source Menu Four Direc- tional Select Keys Enter Re-SyncGamma Power on Standby Brite modeISF Day/ISF Night/User1 User2/User3 Edge enhanceYPbPr Overscan 16x9/4x3/Na- tive/LBX/For- mat 1/FormatVideo AutoHow to operate Menu Tree User Controls Brightness Image AdjustmentContrast ColorSharpness ResetUser Mode ISF ModesUser Controls Display Settings FormatImage Shift Adjustment Overscan Adjustment Edge MaskingNoise Reduction Advanced AdjustmentsImage/Advanced GammaImage Mode Color Temperature Edge EnhancementEnglish User can select and setup their favorite settings on User Color VividnessDemo Mode ExtensionLanguage System AdjustmentsProjector Settings Programmable 12V TriggerKeystone Brite ModeProjection High AltitudeSettings copy LampSetup Settings SignalType PedestalFrequency PhaseColor Space HorizontalBlack Level Video and Composite VideoWhite Level SaturationPb gain Component YPbPrGain Pr gainUser Controls Analog RGBImage Problems No image appears on-screenUnstable or ﬂickering image Image has vertical ﬂickering barIntermission Problems Lamp burns out or makes a popping sound LED ProblemsLED lighting message Message Reminders Remote Control Problems If the remote control does not workLamp Replacing Procedure Replacing the lampCompatibility Modes In Analog input Compatibility Modes In Digital inputCeiling Mount Installation Optoma Global Ofﬁce USA

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HD81 specifications

The Optoma Technology HD81 is a high-performance projector that is designed primarily for home theater enthusiasts seeking an immersive viewing experience. This projector stands out in the market with its advanced features, exceptional image quality, and cutting-edge technology.

One of the HD81's key features is its 1080p resolution, delivering stunningly detailed and vibrant images. With a native resolution of 1920x1080 pixels, users can enjoy sharp details whether they're watching movies, playing video games, or streaming content. The projector employs DLP (Digital Light Processing) technology, which enhances color accuracy and ensures that images are bright and vivid, making it ideal for various viewing environments.

A significant characteristic of the Optoma HD81 is its impressive contrast ratio, which can exceed 10,000:1. This elevated contrast allows for deeper blacks and more distinct colors, creating a more dynamic range that enhances the viewing experience. The projector also boasts a brightness level of up to 1200 ANSI lumens, ensuring that images remain clear and visible even in moderately lit rooms.

The HD81 includes numerous connectivity options, making it versatile for a wide array of devices. With HDMI inputs, VGA ports, and USB options, users can easily connect their gaming consoles, Blu-ray players, or computers without hassle. Additionally, the projector supports various video formats, including 3D content, which adds a layer of depth and excitement to movies and games.

Another notable feature of the Optoma HD81 is its low noise operation. The fan noise is minimally intrusive, allowing viewers to focus entirely on the content, making it suitable for quiet settings such as home theaters.

Furthermore, the HD81 incorporates advanced image processing technologies, such as the BrilliantColor technology, which enhances color richness and improves overall image quality. This ensures that colors are accurately reproduced and that the viewing experience is as close to real life as possible.

In summary, the Optoma Technology HD81 is a compelling choice for anyone looking to elevate their home viewing experience. With its 1080p resolution, high contrast ratios, superior brightness, and versatile connectivity options, this projector is designed to deliver stunning visuals and a captivating experience for movie lovers and gamers alike. Whether for casual viewing or dedicated home theater setups, the HD81 remains an exemplary choice in the projector market.