Installation

Powering Off the Projector

1.Press the “On/Standby” button on Box side or remote to turn off the projector lamp, you will see a message displayed on the projector’s screen.

Press the “On/Standby” button again to confirm, otherwise the message will disappear after 5 seconds.

2.Then Box’s Power LED will turn red. The cooling fans continue to operate for about 30 seconds for cooling cycle and the projector’s Power LED will flash green. When the projector’s Power LED begins red, the projector has entered standby mode.

If you wish to turn the projector back on, you must wait until the projector has completed the cooling cycle and has entered standby mode. Once in standby mode, simply press “On/Standby” button on Box or remote to restart the HD81.

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3.Disconnect the power cord from the electrical outlet and the Projector & Box.

4.Do not turn on the projector immediately following a power off procedure.

Warning Indicator

When the “LAMP” indicator flashing orange, the projector will automatically shut itself down. Please contact your local reseller or service center. See page 62.

When the “TEMP” indicator lights solid red, it indicates the projector has overheated. The projector will automatically shut itself down.

Under normal conditions, the projector can be switched on again after it has cooled down. If the problem persists, you should contact your local dealer or our service center. See page 62.

When the “TEMP” indicator flashes red, it indicates the fan has failed. Please contact your local dealer or our service center. See page 62.

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Optoma Technology HD81 manual Powering Off the Projector

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.