Optoma Technology GT750E manual Image is unstable or flickering

Page 41

Appendices

7.Click on “Show all devices”. Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under the “Models” box.

8.Verify that the resolution setting of the monitor display is lower than or equal to UXGA (1600 × 1200).

If you are using a Notebook:

1.First, follow the steps above to adjust resolution of the computer.

2.Press the appropriate keys listed below for your notebook manufacturer to send signal out from notebook to projector. Example: [Fn]+[F4]

Acer

[Fn]+[F5]

IBM/Lenovo

[Fn]+[F7]

Asus

[Fn]+[F8]

HP/Compaq

[Fn]+[F4]

Dell

[Fn]+[F8]

NEC

[Fn]+[F3]

Gateway

[Fn]+[F4]

Toshiba

[Fn]+[F5]

Mac Apple:

System Preference Display Arrangement Mirror display

If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector.

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

If you are using a Notebook PC

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

Image is unstable or flickering

Use “Phase” to correct it. See page 35 for more information.

Change the monitor color setting on your computer.

Image has vertical flickering bar

Useinformation.“Frequency” to make an adjustment. See page 35 for more

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

41English

Page 40 Page 42
Image 41
Page 40 Page 42
Contents Table of Contents Usage Notice Safety InformationPrecautions Do not Product Features Eye Safety WarningsPackage Overview IntroductionMain Unit Product OverviewControl Panel Input/Output Connections Remote Control Connect to Computer/Notebook Connecting the ProjectorConnect to Video Sources Powering On the Projector Powering On/Off the ProjectorPowering off the projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s FocusWxga User Controls Control Panel & Remote ControlUsing the Remote Control Hdmi On-screen Display Menus How to operateImage Menu TreeOptions Brightness Display ModeContrast Sharpness ColorTint Color Temp BrilliantColorGamma Input Source Color SettingsColor Space Format DisplayEdge Mask ZoomImage Shift Keystone3D 2D 3D Mode3D Format 3D Sync. InvertProjection LanguageProjector ID Menu LocationSecurity Security TimerChange Password User Controls Automatic PhaseFrequency PositionInternal Speaker VolumeMute Audio InputSource Lock ResetHigh Altitude Information HideSleep Timer min Direct Power OnAuto Power Off min Lamp Reset Brightness ModeLamp Hours Lamp ReminderAppendices TroubleshootingImage is unstable or flickering Image is reversed Projector stops responding to all controls On Screen Messages Replacing the lamp Lamp Replacement Procedure  Computer Compatibility Compatibility Modes Video Compatibility Mode Resolution Sync Hz Sync KHzHdmi 1.4a 3D timing  3D input CompatibilityRS232 Pin Assignments RS232 Commands and Protocol Function ListOptoma Data and HT Projectors GT750 RS232 Protocol Function ListREAD/Return Information from projector Appendices Ceiling Mount Installation USA Optoma Global OfficesBenelux BV FCC notice Regulation & Safety NoticesRemarque à l’intention des utilisateurs canadiens

GT750E specifications

The Optoma GT750E is a remarkable short throw projector that combines advanced technology with user-friendly features, making it an ideal choice for home entertainment, gaming, and educational purposes. With its impressive specifications and reliable performance, the GT750E has cemented its place as a popular option for projector enthusiasts looking for convenience without compromising on quality.

One of the standout features of the GT750E is its short throw capability, which enables users to project large images from a very short distance. This makes it suitable for smaller rooms where space is limited. The projector can produce a stunning 100-inch image from just about 3.5 feet away, allowing for a truly immersive viewing experience.

The GT750E boasts a native resolution of 1280x800 pixels, providing clear and detailed visuals. Equipped with a high brightness level of 3,000 lumens, it ensures that images remain vivid even in well-lit environments. This brightness, combined with a contrast ratio of 20,000:1, enhances details and depth, making it perfect for a range of content from movies to video games.

In terms of connectivity, the GT750E is versatile. It includes multiple input options such as HDMI, VGA, and USB, catering to various devices like laptops, gaming consoles, and Blu-ray players. Additionally, the projector supports 3D content, enriching the viewing experience for users, particularly for gaming and immersive home cinema setups.

The color performance of the GT750E is enhanced through its use of DLP (Digital Light Processing) technology, which provides vibrant colors and sharp images. The projector supports a wide color gamut, ensuring that visuals appear lively and accurate.

Another innovative feature is its lamp life, with a lifespan of up to 15,000 hours in Eco mode. This longevity minimizes the need for frequent replacements, making it a cost-effective solution for users.

The GT750E also includes features such as keystone correction and a built-in speaker, offering convenience and flexibility in setup while eliminating the need for external audio sources for casual viewing.

Overall, the Optoma GT750E stands out as a powerful short throw projector that merges cutting-edge technology with practicality, making it an excellent choice for individuals looking to enhance their multimedia experiences at home or in educational settings. Its combination of brightness, resolution, and ease of use ensures that it delivers exceptional performance across various applications.
Top Page Image Contents