Optoma GT720 User's Manual
Optoma GT720 Manual
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- Optoma GT720 | User's Manual - Page 1
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 OPTIONS 36 OPTIONS | Advanced 37 OPTIONS | Lamp Settings 38 Appendices 39 Troubleshooting 39 Replacing the - Optoma GT720 | User's Manual - Page 2
to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature projector or something is loose inside. Do not attempt to service the unit yourself. Opening or removing covers may expose you to dangerous voltages or other hazards. Please call Optoma - Optoma GT720 | User's Manual - Page 3
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 - Optoma GT720 | User's Manual - Page 4
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 - Optoma GT720 | User's Manual - Page 5
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 - Optoma GT720 | User's Manual - Page 6
, please contact your nearest customer service center. Projector with lens cap Power Cord 1.8m VGA Cable 1.8m Due to different applications in each Country, some regions may have different accessories. 2 × AAA Batteries Documentation : User's Manual - Optoma GT720 | User's Manual - Page 7
Introduction Product Overview Main Unit 41 2 43 5 8 7 6 5 1. Control Panel 2. Focus Ring 3. Lens 4. IR Receivers 5. Tilt-Adjustment Feet 6. Security Bar 7. Input / Output Connections 8. Power Socket 7 English - Optoma GT720 | User's Manual - Page 8
Introduction Control Panel 1 2 12 3 45 6 POWER 7 8 9 10 11 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 English 8 - Optoma GT720 | User's Manual - Page 9
RS-232 RCA-L RCA-R 7 8 9 10 11 6 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 - Optoma GT720 | User's Manual - Page 10
. HDMI (For WXGA only) 3 13. Brightness 4 14. Menu 15. Keystone +/- 16. Source 5 17. Enter HDMI Overscan 6 18. Numbered keypad (for password input) 7 19. Contrast (For SVGA 8 only) SVGA 18 10 9 19 Contrast Overscan English 10 - Optoma GT720 | User's Manual - Page 11
Installation Connecting the Projector Connect to Computer/Notebook 23 4 56 Due to the difference in applications for each country, some regions may have different accessories. (*) Optional accessory 1 VGA-IN / - Optoma GT720 | User's Manual - Page 12
to the difference in applications for each country, some regions may have different accessories. (*) Optional accessory 1...Power Cord 2 HDMI Cable 3 15-Pin to 3 RCA Component/HDTV Adaptor 4 3 RCA Component Cable 5 S-Video Cable 6 Composite Video Cable 7 Audio Cable Jack/RCA English 12 - Optoma GT720 | User's Manual - Page 13
the lamp by pressing " " button either on the top of the projector or on the remote. The ON/STANDBY LED will now turn Green. The startup screen will display in approximately 10 seconds. The first time you use the projector, you will be asked to select the preferred language and power saving mode - Optoma GT720 | User's Manual - Page 14
for the second time, the projector will display countdown timer and will shut down. 2. The cooling fans continue to operate for about 10 seconds for cooling cycle and the ON/STANDBY LED will Flash Green. When the ON/STANDBY LED lights solid Amber, the projector has entered standby mode. If you wish - Optoma GT720 | User's Manual - Page 15
for adjusting the image height. 1. Locate the adjustable foot you wish to modify on the underside of the projector. 2. Rotate the adjustable rings clockwise/anticlockwise to lower or raise the projector. Repeat with the remaining feet as needed. Tilt-Adjustment Feet Tilt-Adjustment Ring 15 English - Optoma GT720 | User's Manual - Page 16
at distances from 1.64 to 18.05 feet (0.5 to 5.5 meters). WXGA series: The projector will focus at distances from 1.64 to 16.40 feet (0.5 to 5.0 meters). Focus Ring SVGA Adjusting Projection Image Size SVGA series: Projection Image Size from 27.3" to 300.0" (0.7 to 7.6 meters). WXGA series - Optoma GT720 | User's Manual - Page 17
135.3" (343.8cm) 189.5" (481.3cm) 243.6" (618.8cm) 297.8" (756.3cm) Screen Size (WxH) 21.7" x 16.3" 43.3" x 32.5" 108.2" x 81.2" 151.6" x .48' (3.50m) 14.76' (4.50m) 18.05' (5.5m) This table is for user's reference only. WXGA Diagonal Width 32.2" (81.9cm) Height 64.5" (163.8cm) 161.2" - Optoma GT720 | User's Manual - Page 18
Refer to the "Power On/Off the Projector" section on pages 13-14. Automatically synchronize the projector to the input source. Enter Confirm your item selection. SOURCE Press "SOURCE" to select an input signal. Menu Press "Menu" to launch the on-screen display (OSD) menu. To exit OSD, Press - Optoma GT720 | User's Manual - Page 19
User Controls WXGA HDMI Overscan SVGA Contrast Overscan Remote Control Using the Remote Control Power Contrast Refer to the "Power On/Off the Projector" section on pages 13-14. Adjust the contrast of the image. (For SVGA only) L Button No function. R Button No function. Page + No - Optoma GT720 | User's Manual - Page 20
User Controls Using the Remote Control HDMI Press "HDMI" to choose HDMI source. (For WXGA only) Freeze Press "Freeze" to pause the screen image. Press this button again to unlock. AV mute Momentarily turns off/on the audio and video. S-Video Press "S-Video" to choose S-Video source. VGA - Optoma GT720 | User's Manual - Page 21
User Controls On-screen Display Menus The Projector has multilingual On-screen Display menus that allow you to make image adjustments and change a variety of settings. The projector will automatically detect the source. How to operate 1. To open the OSD menu, press "Menu" on the Remote Control or - Optoma GT720 | User's Manual - Page 22
DISPLAY SETUP Format Overscan Edge Mask V Image Shift V Keystone 3D Language BrilliantColor™ Gamma Color Temp. Color Settings Color Space Input Source Exit 3D Mode #4 3D Sync. Invert Projection Menu Location Security #5 Signal Projector ID Mute Volume Wireless English 22 Security Timer-Month - Optoma GT720 | User's Manual - Page 23
on-screen display (OSD) menus vary according to the signal type selected and the projector model you are using. (#1) "Color" and "Tint" are only supported in Video mode. (#2) For SVGA only. (#3) For WXGA only (#4) "3D Sync Invert" is only available when using DLP Link mode. (#5) "Signal - Optoma GT720 | User's Manual - Page 24
. Game: For game mode. Blackboard: This mode should be selected to achieve optimum color settings when projecting onto a blackboard (green). Classroom: This mode is recommended for projecting in a classroom. User: User's settings. 3D: The initial default setting of this mode is DLP-Link - Optoma GT720 | User's Manual - Page 25
User Controls "Color" and "Tint" functions are only supported under Video mode. Color Adjust a video image from black and white to fully saturated color. Press the to decrease the amount of saturation in the image. Press the to increase the amount of saturation in the image. Tint Adjust the - Optoma GT720 | User's Manual - Page 26
image quality for the input. Film: for home theater. Video: for video or TV source. Graphics: for image source. Standard: for PC or computer source. Color Temp Adjust the color temperature. With cold temperature, the screen looks colder; with warm temperature, the - Optoma GT720 | User's Manual - Page 27
and contrast (Bias). Color Space Select an appropriate color matrix type from AUTO, RGB or YUV. Input Source Use this option to enable / disable input sources. Press to enter the sub menu and select which sources you require. Press "Enter" to finalize the selection. The projector will not search for - Optoma GT720 | User's Manual - Page 28
User Controls DISPLAY Format Use this function to choose your desired aspect ratio. SVGA 4:3: This format is for 4×3 input sources. 16:9-I: This format is for 16×9 input sources, like HDTV and DVD enhanced for Wide screen TV. (576i/p) 16:9-II: This format is for 16×9 input sources, like - Optoma GT720 | User's Manual - Page 29
User Controls WXGA 4:3: This format is for 4×3 input sources. 16:9: This format is for 16×9 input sources, like HDTV and DVD enhanced for Wide screen "Overscan". "Overscan" and "Edge Mask" can't work at same time. Overscan Overscan function removes the noise in a video image. Overscan the - Optoma GT720 | User's Manual - Page 30
User Controls DISPLAY | 3D "IR" options may vary according to model. "3D Sync Invert" is only available when using DLP Link mode. 3D Mode Off: Select "Off" to turn 3D settings off for 3D images. DLP Link: Select "DLP Link" to use optimized settings for DLP Link 3D images. IR: Select "IR" - Optoma GT720 | User's Manual - Page 31
User Controls SETUP Language Choose the multilingual OSD menu. Press or into the sub menu and then use the or key to select your preferred language. Press "Enter" to finalize the selection. Rear-Desktop and Rear-Ceiling are to be used with a translucent screen. Projection Front-Desktop This - Optoma GT720 | User's Manual - Page 32
appear reversed in upside down position. Menu Location Choose the menu location on the display screen. Projector ID ID definition can be set up by menu (range 0~99), and allow user control an individual projector by RS232. Refer to page 48 for the complete list of RS232 commands. Mute Choose - Optoma GT720 | User's Manual - Page 33
User Controls SETUP | Security Pass-code default value is "1234" (first time). Security On: Choose "On" to use security verification when the turning on the projector. Off: Choose "Off" to be able to switch on the projector without password verification. Security Timer Can be select the time - Optoma GT720 | User's Manual - Page 34
User Controls If the incorrect password is entered 3 times, the projector will automatically shut down. If you have forgotten your password, please contact your local office for support. English 34 - Optoma GT720 | User's Manual - Page 35
out, and if Signal is not automatic, the phase, frequency items will appear for user to manually tune and saved in settings after that for next time projector turns off and on again. Phase Synchronize the signal timing of the display with the graphic card. If the image appears to be unstable or - Optoma GT720 | User's Manual - Page 36
the control panel will be locked however, the projector can be operated by the remote control. By selecting "Off", you will be able to reuse the control panel. Background Color Use this feature to display a "Black", "Red", "Blue", "Green" or "White", screen when no signal is available. Test Pattern - Optoma GT720 | User's Manual - Page 37
User Controls OPTIONS | Advanced Direct Power On Choose "On" to activate Direct Power mode. The projector will automatically power on when AC power is supplied, without pressing the " " key on the projector control panel or on the remote control. Auto Power Off (min) Sets the countdown timer - Optoma GT720 | User's Manual - Page 38
is displayed. The message will appear 30 hours before suggested replacement of lamp. When ambient temperature is over 35°C in operating, the projector will switch to STD automatically. Brightness Mode STD: Choose "STD" to dim the projector lamp which will lower power consumption and extend the - Optoma GT720 | User's Manual - Page 39
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. No image appears on-screen Ensure all the cables and power connections are correctly and securely - Optoma GT720 | User's Manual - Page 40
See page 35 for more information. Change the monitor color setting on your computer. Image has vertical flickering bar Use "Frequency" to make an adjustment. See page 35 for more information. Check and reconfigure the display mode of your graphic card to make it compatible with the projector. - Optoma GT720 | User's Manual - Page 41
the Focus Ring on the projector lens. Make sure the projection screen is between the required distance. See page 16. The image is stretched when displaying 16:9 DVD title When you play anamorphic DVD or 16:9 DVD, the projector will show the best image when the projector display mode is set to 16 - Optoma GT720 | User's Manual - Page 42
at least 60 seconds before reconnecting power. Check that "Keypad Lock" is not activated by trying to control the projector with the remote control. Lamp burns out or makes a popping sound When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens - Optoma GT720 | User's Manual - Page 43
Appendices On Screen Messages Temperature warning: Fan failed: Lamp warming: Out of display range: If the remote control does not work Check the operating angle of the remote control is within ±15° both horizontally and vertically of one of the IR receivers on the projector. Make sure - Optoma GT720 | User's Manual - Page 44
to prevent any loose parts from falling out of projector." Warning: Lamp compartment may be hot! Allow it to cool down before changing the lamp! Warning: To reduce the risk of personal injury, do not drop the lamp module or touch the lamp bulb. The bulb may shatter and cause injury if it is dropped - Optoma GT720 | User's Manual - Page 45
the two screws on the lamp module. 3 7. Lift up the lamp handle and remove the lamp module slowly and carefully. 4 To replace the lamp module, reverse the previous steps. 8. Turn on the projector and use "Lamp Reset" after the lamp module is replaced. Lamp Reset: (i) Press "Menu" (ii) Select - Optoma GT720 | User's Manual - Page 46
is dependent on Notebook/PC models. 120Hz input signals may be dependent on graphics cards support. (*) For WXGA only. Computer Compatibility Mode Resolution V-Sync (Hz) Anglog Digital VGA 640 × 350 70 70 VGA 640 × 350 85 85 VGA 640 × 400 85 85 VGA 640 × 480 60 60 - Optoma GT720 | User's Manual - Page 47
Appendices Computer Compatibility Mode Resolution V-Sync (Hz) MAC LC 13" MAC II 13" MAC 16" MAC 19" MAC MAC G4 i .49 Video Compatibility NTSC M (3.58MHz), 4.43 MHz PAL B, D, G, H, I, M, N SECAM B, D, G, K, K1, L SDTV/HDTV 480i/p, 576i/p, 720p@50Hz/60Hz, 1080i/p@50Hz/60Hz 47 English - Optoma GT720 | User's Manual - Page 48
Appendices RS232 Commands and Protocol Function List RS232 Pin Assignments 9876 54321 Pin no. 1 2 3 4 5 6 7 8 9 Spec. (from projector side) N/A RXD TXD N/A GND N/A N/A N/A N/A English 48 - Optoma GT720 | User's Manual - Page 49
20 31 30 0D Video ~XX20 1 7E 30 30 32 30 20 31 0D Display Mode Presentation ~XX20 2 7E 30 30 32 30 20 32 0D Bright ~XX20 5 7E 30 30 32 30 20 35 0D User ~XX20 7 7E 30 30 32 30 20 37 0D Blackboard ~XX20 8 7E 30 30 32 - Optoma GT720 | User's Manual - Page 50
3D Mode Nvidia 3D Vision ~XX230 1 7E 30 30 32 33 30 20 31 0D 3D Mode DLP-Link ~XX230 0 7E 30 30 32 33 30 20 30 0D 3D Mode timing ~XX76 n 7E 30 30 37 36 20 a 0D V. Position n = -5 (a=2D 35) ~ 5 (a=35) By timing 37 39 20 a 0D Projector ID n = 00 31 0D Background Color Blue ~XX104 - Optoma GT720 | User's Manual - Page 51
32 20 31 0D Sofware Version OKdddd dddd: FW version ~XX123 1 7E 30 30 31 32 33 20 31 0D Display Mode OKn n : 0/1/2/3/4/5/6/7/8 = None/Presentation/Bright/Game/Blackboard/Classroom/Cinema/User/3D ~XX124 1 7E 30 30 31 32 34 20 31 0D Power State OKn n : 0/1 = Off/On ~XX125 1 7E 30 30 31 32 - Optoma GT720 | User's Manual - Page 52
Appendices Ceiling Mount Installation 1. To prevent damage to your projector, please use the Optoma ceiling mount. 2. If you wish to use a third party ceiling mount kit, please ensure the screws used to attach a mount to the projector meet the following specifications: Please note that damage - Optoma GT720 | User's Manual - Page 53
For service or support please contact your local office. USA 715 Sycamore Drive Milpitas, CA 95035, USA www.optomausa.com 408-383-3700 408-383-3702 [email protected] Canada 5630 Kennedy Road, Mississauga, ON, L4Z 2A9, Canada www.optoma.ca 905-361-2582 905-361-2581 [email protected] - Optoma GT720 | User's Manual - Page 54
, Cheung Sha Wan, Kowloon, Hong Kong [email protected] www.os-worldwide.com +886-2-2218-2360 +886-2-2218-2313 [email protected] asia.optoma.com +852-2396-8968 +852-2370-1222 www.optoma.com.hk China 5F, No. 1205, Kaixuan Rd., Changning District Shanghai, 200052, China +86-21-62947376 +86-21 - Optoma GT720 | User's Manual - Page 55
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is the manufacturer could void the user's authority, which is granted by the Federal Communications Commission, to operate this projector. 55 English - Optoma GT720 | User's Manual - Page 56
including interference that may cause undesired operation. Notice: Canadian users This Class B digital apparatus complies with Canadian ICES- R & TTE Directive 1999/5/EC (if product has RF function) Disposal instructions Do not throw this electronic device into the trash when discarding. To minimize
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1
English
Table of Contents
............................
1
Usage Notice
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2
Safety Information
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2
Precautions
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3
Eye Safety Warnings
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5
Product Features
................................
5
Introduction
......................................
6
Package Overview
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6
Product Overview
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7
Main Unit
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7
Control Panel
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8
Input/Output Connections
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9
Remote Control
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10
Installation
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11
Connecting the Projector
..................
11
Connect to Computer/Notebook
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11
Connect to Video Sources
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12
Powering On/Off the Projector
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13
Powering On the Projector
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13
Powering Off the Projector
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14
Warning Indicator
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14
Adjusting the Projected Image
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15
Adjusting the Projector’s Height
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15
Adjusting the Projector’s Focus
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16
Adjusting Projection Image Size
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16
User Controls
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18
Control Panel & Remote Control
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18
Control Panel
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18
Remote Control
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19
On-screen Display Menus
................
21
How to operate
.................................
21
Menu Tree
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22
IMAGE
...............................................
24
IMAGE | Advanced
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26
DISPLAY
............................................
28
DISPLAY | 3D
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30
SETUP
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31
SETUP | Security
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33
SETUP | Signal
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35
OPTIONS
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36
OPTIONS | Advanced
........................
37
OPTIONS | Lamp Settings
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38
Appendices
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39
Troubleshooting
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39
Replacing the lamp
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44
Compatibility Modes
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46
Computer Compatibility
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46
Video Compatibility
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47
RS232 Commands and Protocol
Function List
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48
RS232 Pin Assignments
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48
RS232 Protocol Function List
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49
Ceiling Mount Installation
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52
Optoma Global Offices
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53
Regulation & Safety Notices
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55
Table of Contents