Optoma Technology GT750E manual Precautions

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Usage Notice

Precautions

Please follow all warnings, precautions and maintenance as recommended in this user’s guide.

▀■ Warning- Do not look into the projector’s lens when the lamp is on. The bright light may hurt and damage your eyes.

▀■ Warning- To reduce the risk of fire or electric shock, do not expose this projector to rain or moisture.

▀■ Warning- Please do not open or disassemble the projector as this may cause electric shock.

▀■ Warning- When replacing the lamp, please allow the unit to cool down. Follow instructions as described on pages 44-45.

▀■ Warning- This projector will detect the life of the lamp itself. Please be sure to change the lamp when it shows warning messages.

▀■ Warning- Reset the “Lamp Reset” function from the on-screen display “OPTIONS Lamp Settings” menu after replacing the lamp module (refer to page 38).

▀■ Warning- When switching the projector off, please ensure the cooling cycle has been completed before disconnecting power. Allow 90 seconds for the projector to cool down.

▀■ Warning- Do not use lens cap when projector is in operation.

▀■ Warning- When the lamp is approaching the end of its lifetime, the message “Lamp Warning: Lamp life exceeded.” will show on the screen. Please contact your local reseller or service center to change the lamp as soon as possible.

▀■ Warning- Do not look into or point the laser pointer on your remote control into your or someone’s eyes. Laser pointer can cause permanent damage to eyesight.

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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 Display Mode ContrastBrightness Color TintSharpness BrilliantColor GammaColor Temp Color Settings Color SpaceInput Source Format DisplayKeystone ZoomEdge Mask Image Shift3D Sync. Invert 3D Mode3D 2D 3D FormatProjection LanguageProjector ID Menu LocationSecurity Timer Change PasswordSecurity User Controls Position PhaseAutomatic FrequencyAudio Input VolumeInternal Speaker MuteInformation Hide ResetSource Lock High AltitudeDirect Power On Auto Power Off minSleep Timer min Lamp Reminder Brightness ModeLamp Reset Lamp HoursAppendices 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.
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