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4.Follow above steps 1~2. Click on the “Advanced Properties ” button.

5.Select the “Change” button under the “Monitor” tab .

6.Click on “ Show all devices ”. Then select “ Standard monitor types ” under the

“ Manufactures ” box; choose the resolution mode you need under the “ Models” box.

7.Verify that the resolution setting of the monitor display is less than or equal to 1024 x 768.

"If you are using a Notebook PC:

1.You are required to implement above steps of resolution setting of computer first.

2.Switch the Notebook PC display to the “external display only” or “CRT only” mode.

"If you are experiencing difficulty in changing resolutions or your monitor freezes, restart all the equipment and the projection display.

Problem: The screen of the Notebook or PowerBook computer is not displaying your presentation.

"If you are using Notebook PC:

Some Notebook PCs may deactivate their own computers’ screens when a second display device is in use. Each of them has different way to be reactivated. Refer to your computer’s documentation for detailed information.

"If you are using an Apple PowerBook:

In Control Panels, open the PowerBook Display to select Video Mirroring “On”.

Problem: Image is unstable or flickering

"Use “Tracking” to correct it.

"Change the monitor color setting from your computer.

Problem: Image has vertical flickering bar

"Use “Frequency” to make an adjustment.

"Check and reconfigure the display mode of your graphic card to make it compatible with the product.

Problem: Image is out of focus

"Adjust the Focus Ring on the projector lens.

"Make sure the projection screen is between the required distance (1.2m - 11m) from the projector.

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Optoma Technology EP615H specifications Problem Image is unstable or flickering, Problem Image has vertical flickering bar
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EP615H specifications

Optoma Technology's EP615H is a versatile, high-performance projector engineered to meet the diverse demands of both business presentations and educational settings. Known for its compact design and robust performance, the EP615H has garnered attention for its impressive image quality and user-friendly features.

One of the standout characteristics of the EP615H is its native resolution of 1080p (1920 x 1080), which ensures sharp and detailed visuals, making it ideal for displaying presentations, videos, and even high-definition images. The projector boasts a brightness level of 4000 ANSI lumens, allowing it to perform exceptionally well in both dimly lit and well-lit environments. This high brightness capability, combined with a high contrast ratio of 20,000:1, enriches color depth and enhances image clarity, providing an optimal viewing experience.

The EP615H employs DLP (Digital Light Processing) technology, recognized for its reliability and image stability. This technology contributes to the projector's longevity while also minimizing the effects of color degradation over time. DLP projectors are known for their smoothness in motion graphics and videos, allowing businesses and educators to captivate audiences with seamless presentations.

Connectivity is another strong point of the EP615H, featuring multiple input options, including HDMI, VGA, and USB, ensuring compatibility with a wide range of devices, such as laptops, tablets, and streaming devices. This flexibility makes it suitable for various applications, whether interconnected to a computer for a corporate meeting or used with a Blu-ray player for educational videos.

User convenience is enhanced through the EP615H's built-in speaker, which eliminates the need for external audio devices in many scenarios. Moreover, it features vertical keystone correction, making it easier to set up in diverse environments without compromising image quality. The projector’s intuitive interface and remote control allow for seamless operation, further enhancing its usability.

In terms of portability, the EP615H is lightweight, making it easy to transport between locations, making it a great choice for traveling professionals and educators who frequently conduct presentations in different venues.

Overall, the Optoma Technology EP615H combines advanced features, excellent performance, and versatile connectivity options, making it an ideal tool for anyone looking to deliver impactful visual presentations in both corporate and educational environments. Its balance of quality, functionality, and portability makes it a top choice in the realm of projectors.
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