Appendices

Ps1:1. When orange and blue of LED show at same time ,the color could show light purple.

When red and blue of LED show at same time, the color could show purple.

Ps2: (*) Break off Rule of HD81:

1. RS-232 communication failure:

OSD will show “ Projector will shutdown in 30 seconds if RS232 connection is not restored”.

Please check RS232 connection between controller box and pro- jector.

2.HDMI communication failure. System will show blue image only.

Please check HDMI connection between controller box and projector. Or projector will shutdown in 30 seconds if HDMI connection is not restored.

3.RS-232 & HDMI communication failure System will show blue image only.

Please check controller box is switched on and RS-232 and HDMI connections between controller box and projector. Or projector will shutdown in 30 seconds if RS-232 and HDMI con- nections are not restored.

4.The HD81 can’t power on if RS232 between projector and Box don’t be connect in standby mode

5.The HD81 can’t show HDMI connection fail or not if HD81 is in standby.

Message Reminders

Fan failed:

Over temperature:

English

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Optoma Technology HD81 manual Message Reminders

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.