Optoma Technology EP702 specifications Appendices, Problem No image appears on screen

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Appendices

Troubleshooting

If you are experiencing trouble with the projection display, refer to the following. If the problem persists, please contact your local dealer or our service center.

Problem: No image appears on screen.

4Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.

4If the projector is plugged into a power strip, make sure the power strip is turned on.

4Ensure the pins of connectors are not crooked or broken.

4Check if the projection lamp has been securely installed. Please refer to the “Changing the lamp” section.

4Make sure you have removed the lens cap and the projector is switched on.

Problem: Partial, scrolling or incorrectly displayed image.

4Press the “Resync”button on the Remote Control.

4If you are using a PC:

If the resolution of your computer is higher than 800 x 600. Follow the steps outlined below to reset the resolution.

For Windows 3.x:

1.In the Windows Program Manager, click the “Windows Setup” icon in the Main group.

2.Verify that your display resolution setting is less than or equal to 800 x 600.

For Windows 95:

1.Open “My Computer” icon, the “Control Panel” folder, and then double click the “Display” icon.

2.Select the “Setting” tab.

3.In the “Desktop Area” you will find the resolution setting. Verify that the resolution setting is less than or equal to 800 x 600 resolution.

If the projection display is still not projecting the whole image, you will need to also change the monitor display you are using. Refer to the following steps.

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Contents Table of Contents Precautions Usage NoticeProduct Features IntroductionPackage Overview Product Overview Main UnitConnection Ports Panel ControlRemote Control Installation Connecting the Projector to Desktop ComputerConnecting the Projector to Portable Computer Connecting the Projector to Other Video Sources If you use the video cableIf you use the s-video cable Power On/Off the Projection Display Powering On the Projection DisplayPowering Off the Projection Display Adjusting the Projected Image Adjusting the Projector HeightAdjusting the Projector Focus User Controls Power / StandbyReset MenuZoom Out Computer mode only VolumeZoom In Computer mode only EnterOSD Menus 4Volume 4Tint Video mode only4Color Video mode only 4Tracking4Mute Video mode only4Treble 4Mono / Stereo / Stereo-enhance4Lamp Warning 4Lamp Reset4Reset All 4Exit MenuProblem Partial, scrolling or incorrectly displayed image Problem No image appears on screenAppendices Problem Image has vertical flickering bar Problem Image is unstable or flickeringProblem Image is out of focus Problem The screen is outstretched when displaying 169 DVD Lamp Changing Procedure To replace the lamp module, reverse the previous stepsSpecifications Compatibility Modes

EP702 specifications

Optoma Technology’s EP702 projector is an innovative solution designed for both business and educational environments. Recognized for its compact size and portability, the EP702 remains a preferred choice among professionals who require flexibility and high-quality performance in their presentations.

One of the standout features of the EP702 is its impressive brightness level. With a brightness rating of 2500 ANSI lumens, this projector ensures that images and presentations are vivid and clear, even in well-lit rooms. This makes it suitable for various environments, from classrooms to conference rooms. The high contrast ratio of 2000:1 further enhances image quality by providing deeper blacks and brighter whites, allowing for a more immersive viewing experience.

The EP702 utilizes DLP (Digital Light Processing) technology, which not only contributes to its compact design but also ensures excellent color accuracy and stability over time. This technology reduces the risk of color decay and image distortion, providing a consistently high-quality experience, whether you are displaying images, videos, or text.

Another significant characteristic of the EP702 is its versatility in connectivity options. It includes multiple input ports such as HDMI, VGA, and composite video, allowing users to easily connect various devices, including laptops, tablets, and DVD players. This versatility is crucial for users who need to switch between different devices during a presentation swiftly.

The EP702 is also designed with user convenience in mind. It features simple navigation controls and an intuitive interface, making it easy for users to set up and operate the projector without extensive technical knowledge. Additionally, it supports horizontal and vertical keystone correction, enabling users to adjust the image to a perfect rectangular shape even if the projector is positioned at an angle.

Moreover, the EP702’s lightweight design enhances its portability, making it ideal for traveling professionals and educators who frequently present on the go. Its quiet operation ensures that presentations can be delivered without distraction, further adding to the overall user experience.

In summary, the Optoma Technology EP702 projector combines brightness, portability, and advanced DLP technology, making it a reliable choice for anyone in need of a high-performance presentation tool. Its flexibility in connectivity, user-friendly interface, and excellent image quality significantly contribute to its reputation as a trusted projector in diverse settings.
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