Table of Contents

Table of Contents

1

Usage Notice

2

Safety Information

2

Precautions

3

Eye Safety Warnings

5

Product Features

5

Introduction

6

Package Overview

6

Product Overview

7

Main Unit

7

Control Panel

8

Input/Output Connections

9

Remote Control

10

Installation

11

Connecting the Projector

11

Connect to Computer/Notebook

11

Connect to Video Sources

12

Powering On/Off the Projector

13

Powering On the Projector

13

Powering off the projector

14

Warning Indicator

14

Adjusting the Projected Image

15

Adjusting the Projector’s Height

15

Adjusting the Projector’s Focus

16

Adjusting Projection Image Size

16

User Controls

18

Control Panel & Remote Control

18

Control Panel

18

Remote Control

19

On-screen Display Menus

21

How to operate

21

Menu Tree

22

IMAGE

24

IMAGE Advanced

26

DISPLAY

28

DISPLAY 3D

30

SETUP

31

SETUP Security

33

SETUP Signal

35

SETUP Audio Settings

36

OPTIONS

37

OPTIONS Advanced

38

OPTIONS Lamp Settings

39

Appendices

40

Troubleshooting

40

Replacing the lamp

45

Compatibility Modes

47

Computer Compatibility

47

Video Compatibility

48

3D input Compatibility

49

RS232 Commands and Protocol

 

Function List

50

RS232 Pin Assignments

50

RS232 Protocol Function List

51

Ceiling Mount Installation

54

Optoma Global Offices

55

Regulation & Safety Notices

57

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Optoma Technology GT750E manual Table of Contents

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.