￿ppendices

Image is out of focus

Make sure the Lens cap is removed.

Adjusts the Focus Ring on the projector lens.

Make sure the projection screen is between the required distance 4.9 to 39.4 feet (1.5 to 12.0 meters) from the projector See page 24.

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 title, please change the format as 4:3 in 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.

Image is too small or too large

Adjust the zoom lever on the top of the projector.

Move the projector closer to or further from the screen.

Press [4:3], [16:9], [Letter Box], [Native] button on the remote control or [Menu] on the projector panel, go to “Display-->Format”. Try the different settings.

English

Use of Keystone is not recommended.

Image has slanted sides:

If possible, reposition the projector so that it is centered on the screen and below the bottom of the screen.

Press [Menu] button, go to System -->Projector -->V Keystone to adjust until the sides are vertical on the remote control.

Image is reversed

Select “System-->Projector-->Projection” from the OSD and adjust the projection direction.

Intermission Problems

The HD81-LV stops responding to all controls

If possible, turn off the projector, then unplug the power cord and wait at least 20 seconds before reconnecting power.

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Optoma Technology Home Theatre Projector manuel dutilisation Intermission Problems

Home Theatre Projector specifications

Optoma Technology is a leading name in the realm of home theater projectors, renowned for its commitment to delivering high-quality visual performance and innovative technologies. One of their standout products is the Optoma UHD55, which is designed to elevate your home cinema experience with stunning 4K resolution and superior image quality.

One of the main features of the UHD55 is its impressive 4K UHD (3840 x 2160) resolution, providing four times the detail of Full HD. This high resolution ensures that every scene is rendered with remarkable clarity, making it perfect for watching movies, playing video games, or streaming your favorite shows. Coupled with a high brightness rating of 3600 lumens, the projector performs admirably in a variety of lighting conditions, allowing users to enjoy vivid colors and deep blacks regardless of ambient light.

Color accuracy is another strong suit of Optoma projectors, and the UHD55 is no exception. It boasts a wide color gamut that covers up to 100% of the Rec. 709 color space, ensuring that the colors you see are true to life. With HDR (High Dynamic Range) support, the projector can handle a greater range of brightness and contrast, resulting in stunning visuals that make your viewing experience more immersive.

The Optoma UHD55 also features the latest DLP technology, known for its reliability and durability. DLP projectors are less prone to image degradation over time compared to some alternatives, and the UHD55 provides a fantastic viewing experience without the risk of image burn-in. The projector’s lamp life is impressive, with up to 15,000 hours of use in Eco mode, reducing the frequency of replacements and maintenance.

Connectivity is made easy with a multitude of options including HDMI 2.0, USB, and even wireless capabilities. This ensures compatibility with many devices such as gaming consoles, Blu-ray players, and streaming devices. Additionally, the UHD55 supports embedded speakers which deliver decent sound quality for a full cinematic experience without external audio systems.

In summary, the Optoma Technology home theater projector, particularly the UHD55, combines 4K resolution, advanced DLP technology, and HDR support to deliver an unparalleled home viewing experience. With its robust features, user-friendly design, and excellent connectivity options, it remains a top choice for home theater enthusiasts looking to bring the big-screen experience right into their living rooms.