Optoma Technology RMC-25key manual Troubleshooting, Image Problems, No image appears on-screen

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Appendices

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.

(See pages 55-56 for details)

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.

Ensure that the “AV mute” feature is not turned on.

Partial, scrolling or incorrectly displayed image

(*) The resolution XGA (1024 x 768) is recommended for computer signal.

Press “Re-Sync” on the remote control or control panel.

If you are using a PC:

For Windows 95, 98, 2000, XP:

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

2.Select the “Settings” tab.

3.Verify that your display resolution setting is lower than or equal to UXGA (1600 x 1200). (*)

4.Click on the “Advanced Properties” button.

If the projector is still not projecting the whole image, you will also need to change the monitor display you are using. Refer to the fol- lowing steps.

5.Verify the resolution setting is lower than or equal to UXGA (1600 x 1200).

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Contents Table of Contents Important Safety Instruction Safety InformationsClass B emissions limits Precautions Don’t Eye Safety Warnings  Video Compatibility NTSC, NTSC4.43 IntroductionDocumentation Package OverviewMain Unit Product OverviewControl Panel Connection Ports Remote Control Connecting the Projector InstallationConnect to Video Sources Lens Cap Powering On/Off the ProjectorPowering On the Projector Power LEDPowering Off the Projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s FocusUser Controls Control Panel & Remote ControlUsing the Remote Control AV Mute Video Freeze DVI VGAOn-screen Display Menus How to operateMenu Tree Contrast Display ModeImage BrightnessColor ResetImage Color SharpnessColor Temp Image AdvancedDegamma White PeakingInput Source Format DisplayInput Signal Keystone OverscanZoom Image ShiftLanguage Setup LanguageProjection SetupMenu Location RS232 VolumeProjector ID MuteSecurity Settings Setup SecuritySecurity Timer First Time Change PasswordPosition Setup SignalPhase FrequencyLogo Setup AdvancedSetup Network How to use web browser to control your projector Local Area Network LAN Options Sleep Timer min Direct Power OnEco. Standby power 1W Auto Power Off minLamp Hours Options Lamp SettingsBrightness Mode Lamp ResetPartial, scrolling or incorrectly displayed image TroubleshootingImage Problems No image appears on-screenImage is unstable or flickering Image is too small or too large Image is stretched when displaying 169 DVD titleImage has vertical flickering bar Image is out of focusLamp burns out or makes a popping sound Intermission ProblemsProjector Status Indication Projector stops responding to all controlsIf the remote control does not work Remote Control ProblemsMessage Reminders Replacing the lamp Ahautes Temperatures Refroidissez Pendant 30 MinutesLamp Replacement Procedure  Computer Compatibility Compatibility Modes Video Compatibility RS232 Commands RS232 Protocol Function List RS232 CommandsFunction Projector Return Description Ceiling Mount Installation Optoma Global Offices Korean Regulation & Safety notices Remarque à l’intention des utilisateurs canadiens

RMC-25key specifications

Optoma Technology has established itself as a leading provider of innovative projection solutions, and the RMC-25key is no exception. This versatile and robust device is designed for a multitude of applications, making it an ideal choice for both educational institutions and corporate environments. The RMC-25key not only excels in delivering impressive image quality but also incorporates advanced technologies aimed at enhancing the user experience.

One of the standout features of the RMC-25key is its compact and durable design. This projector is lightweight, making it highly portable and easy to install in various settings, whether in a classroom, conference room, or even on the go for presentations. The device boasts a bright output of up to 2500 lumens, ensuring that images remain clear and vibrant, even in well-lit environments. The high contrast ratio further enhances image detail, allowing users to appreciate the subtleties in presentations or videos.

The RMC-25key utilizes DLP technology, which is known for its reliability and superior color accuracy. This technology allows for sharp, clear images that can convey rich, vivid colors, making it perfect for multimedia presentations and educational content. Additionally, the projector is compatible with a range of resolutions, including Full HD, which ensures that users can present high-quality visuals for any purpose.

Connectivity is another strong point for the RMC-25key. It includes multiple input options such as HDMI, VGA, and USB, allowing users to connect various devices seamlessly. This versatility enhances its utility in diverse scenarios, whether sending content directly from a laptop, a smartphone, or other digital sources. For added convenience, the projector supports wireless connectivity, enabling hassle-free presentations without the need for cumbersome cables.

Moreover, the RMC-25key features built-in speakers, which while modest, provide adequate sound for small to medium-sized spaces. For larger venues, users can easily connect external audio systems through the audio-out port. The onboard menu system is user-friendly, allowing individuals to navigate settings and customize the projector's performance settings with ease.

In conclusion, the Optoma Technology RMC-25key is a highly functional and adaptable projector, perfect for education, business, and entertainment applications. With its impressive brightness, compact design, robust connectivity options, and the reliability of DLP technology, it represents an excellent investment for those seeking a reliable projection solution.
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