￿ppendices

Troubleshooting

If you experience a problem with your projector, please refer to the following information. If a problem persists, please contact your local reseller or service center.

Image Problems

No image appears on-screen

Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.

Ensure all the pins of connectors are not bent or broken.

Check if the projection lamp has been securely installed. Please refer to the “Replacing the lamp” section.

Make sure you have removed the lens cap and the projector is switched on.

Image is out of focus

Make sure the lens cap is removed.

Adjust the Focus Ring on the projector lens.

Make sure the projection screen is between the required distance

4.89to 32.68 feet (1.49 to 9.96 meters) from the projector.

See page 16.

The image is stretched when displaying 16:9 DVD title

When you play anamorphic DVD or 16:9 DVD, the projector will show the best image in 16:9 format on projector side.

If you play the LBX format DVD title, please change the format as LBX in projector OSD.

If you play 4:3 format DVD titles, please change the format to 4:3 in the projector OSD.

If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following:

Please setup the display format as 16:9 (wide) aspect ratio type on your DVD player.

38

Page 37 Page 39
Page 38
Image 38
Optoma Technology HD20 manual Ppendices, Image Problems
Page 37 Page 39

HD20 specifications

Optoma Technology HD20 is a high-definition DLP projector designed to deliver an impressive home theater experience. This projector boasts a native resolution of 1080p (1920x1080), providing sharp and detailed images that are ideal for movies, video games, and presentations. The HD20's high brightness of 1700 ANSI lumens ensures that it performs well in both dark and moderately lit environments, allowing for versatile usage.

One of the standout features of the HD20 is its contrast ratio, rated at 5000:1. This allows for deep blacks and vibrant colors, making the viewing experience more immersive. The projector uses DLP (Digital Light Processing) technology, which incorporates a spinning color wheel and a digital micromirror device to create images. This technology is known for its reliability and excellent color accuracy, providing viewers with true-to-life images that capture every detail.

The HD20 is equipped with multiple connectivity options, including HDMI, VGA, and component video inputs, making it compatible with a variety of devices. This flexibility allows users to connect gaming consoles, Blu-ray players, and laptops without hassle. Additionally, it features a 10-watt speaker, providing decent audio quality, although users may prefer to connect it to an external sound system for a richer audio experience.

Another notable feature of the HD20 is its image adjustment capabilities, which include vertical keystone correction. This enables users to project images at various angles without distorting the picture. The projector also supports a variety of screen sizes, accommodating screen sizes from 30 to 300 inches, making it suitable for both small rooms and larger viewing areas.

The energy-efficient design of the HD20 contributes to its long bulb life, rated at up to 6000 hours in eco-mode. This long operational life reduces maintenance costs, making it a cost-effective option for home entertainment. Furthermore, the projector’s relatively compact design allows for easy portability, making it an excellent choice for both home use and on-the-go presentations.

In summary, the Optoma HD20 is a versatile and feature-rich projector that makes it a strong contender in the home theater market. Its excellent image quality, versatile connectivity options, and user-friendly features make it suitable for various viewing needs. Whether for movie nights, gaming sessions, or business presentations, the HD20 promises to deliver a satisfying visual experience.
Top Page Image Contents