Optoma Gt720 Projector User Manual

1English
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...

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English
Usage Notice
Safety Information
The lightning flash with arrow head within an equilateral triangle is 
intended to alert the user to the presence of uninsulated “dangerous \
voltage” within the product’s enclosure that may be of sufficient 
magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert 
the user to the presence of important operating and maintenance 
(servicing) instructions in the literature accompanying...

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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...

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English
Usage Notice
Do:
		Turn off and unplug the power plug from the AC outlet before 
cleaning the product.
		Use a soft dry cloth with mild detergent to clean the display 
housing.
		Disconnect the power plug from AC outlet if the product is 
not being used for a long period of time.
Do not:
		Block the slots and openings on the unit provided for 
ventilation.
		Use abrasive cleaners, waxes or solvents to clean the unit.
		Use under the following conditions:
   - In extremely hot, cold or...

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Usage Notice
Eye Safety Warnings
 
▀■ Avoid staring/facing directly into the projector beam at all 
times. Keep your back to the beam as much as possible.
▀■ When projector is used in a classroom, adequately supervise 
students when they are asked to point out something on the 
screen.
▀■ In order to minimize the lamp power, use room blinds to 
reduce ambient light levels. 
Product Features
▀■ SVGA (800x600) Native resolution / 
WXGA (1280x800) Native resolution 
▀■  HD compatible – 1080p...

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English
Introduction
Documentation : 
	User’s Manual
	Warranty Card
	Quick Start Card
	WEEE Card  
  (for EMEA only)
	
Due to different 
applications in 
each Country, 
some regions 
may have 
different 
accessories.
Power Cord  1.8m
IR Remote Control
Package Overview
Unpack and inspect the box contents to ensure 
all parts listed below are in the box. If something 
is missing, please contact your nearest customer 
service center.
2 × AAA Batteries
Projector with lens cap 
HDMIOverscan
VGA Cable...

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Introduction
Product Overview
1. Control Panel
2.  Focus Ring
3.  Lens
4.  IR Receivers
5.  Tilt-Adjustment Feet6. Security Bar
7.  Input / Output 
Connections
8.  Power Socket
675
2
543
14
8
Main Unit  

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English
Introduction
POWER
8
62453
711109
112
1.  AV Mute 
2.  Menu
3.  Source
4.  Enter
5.  Re-Sync
6.  Power
7.  Keystone Correction
8.  Four Directional Select Keys
9.  On/Standby LED 
10.  Lamp LED 
11.  Temp LED
12.  IR Receiver
Control Panel 

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Introduction
VGA-IN / YPbPr /S-VIDEO VIDEO
AUDIO-OUT
RS-232
HDMIRCA-R
RCA-L
Input/Output Connections
1.  HDMI Connector (For WXGA only)
2.  VGA-In/YPbPr/
  Connector  
(PC Analog Signal/Component Video Input/HDTV/YPbPr/
Wireless Dongle) 
3.  S-Video Input Connector
4.  Composite Video Input Connector
5.  Audio Output Connector (3.5mm Mini Jack) 
6.  Power Socket
7.  RS-232 Connector (9-pin)
8.  Left RCA Audio Input Connector
9.  Right RCA Audio Input Connector
10.  Kensington
TM Lock Port
11....

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Introduction
HDMI
Overscan
Remote Control
1.  LED Indicator
2.  Power On/Off
3.  Four Directional   
  Select Keys
4.  Re-Sync
5.   Volume +/-
6.  Overscan
7.  AV mute
8.  Video 
9.  VGA
10.  Freeze
11.  S-Video  
12.  HDMI (For WXGA only)
13.  Brightness
14.  Menu
15.  Keystone +/-
16.  Source
17.  Enter
18.   Numbered keypad  
(for password input) 
19.   Contrast (For SVGA 
only)
1
6
7
910
11
12
13
17
145
8
18
164
2
15
3
Contrast
Overscan
19SVGA
WXGA