Optoma GT720 User's Guide

1EnglishTable of Contents ...1Usage Notice ...2Safety Information ...

10EnglishIntroductionHDMIOverscanRemote Control1. LED Indicator2. Power On/Off3. Four Directional Select Keys4. Re-Sync5. Volume +/-6. Overs

11EnglishInstallationConnect to Computer/NotebookConnecting the ProjectorVGA-IN / YPbPr /S-VIDEO VIDEOAUDIO-OUTRS-232HDMIRCA-RRCA-LE62405SPR12 3 41...

12EnglishInstallationVGA-IN / YPbPr /S-VIDEO VIDEOAUDIO-OUTRS-232HDMIRCA-RRCA-LE62405SPRConnect to Video Sources1...

13EnglishInstallationPowering On/Off the ProjectorTurn on the projector rst and then select the signal sources.Powering On the Projector1. Remove

14EnglishInstallationContact the nearest service center if the projector displays these symptoms. See pages 53-54 for more information.Warning Indic

15EnglishInstallationAdjusting the Projected ImageAdjusting the Projector’s Height The projector is equipped with elevator feet for adjusting the imag

16EnglishInstallationAdjusting the Projector’s FocusTo focus the image, rotate the focus ring until the image is clear.  SVGA series: The projector

17EnglishInstallation This table is for user’s reference only.Screen(Diagonal)27.1” (68.8cm)54.1” (137.5cm)135.3” (343.8cm)189.5” (481.3cm)243.6” (61

18EnglishUser ControlsUsing the Control PanelPOWERRefer to the “Power On/Off the Projector” section on pages 13-14.RE-SYNCAutomatically synchronize th

19EnglishUser ControlsRemote ControlUsing the Remote ControlPower Refer to the “Power On/Off the Projector” section on pages 13-14.Contrast Adjust th

2EnglishUsage NoticeSafety InformationThe lightning ash with arrow head within an equilateral triangle is intended to alert the user to the presence

20EnglishUser ControlsUsing the Remote ControlHDMIPress “HDMI” to choose HDMI source. (For WXGA only)FreezePress “Freeze” to pause the screen image. P

21EnglishUser ControlsThe Projector has multilingual On-screen Display menus that allow you to make image adjustments and change a variety of settings

22EnglishUser ControlsMenu TreeMain Menu Sub MenuDisplay Mode Cinema / Bright / Presentation / Game / Blackboard / Classroom / User / 3DContrastBrigh

23EnglishUser ControlsPlease note that the on-screen display (OSD) menus vary according to the signal type selected and the projector model you are

24EnglishUser ControlsIMAGE Display ModeThere are many factory presets optimized for various types of images. Presentation: Good color and brightne

25EnglishUser Controls ColorAdjust a video image from black and white to fully saturated color.  Press the to decrease the amount of saturation in

26EnglishUser ControlsIMAGE | Advanced BrilliantColor™This adjustable item utilizes a new color-processing algorithm and system level enhancements to

27EnglishUser Controls Color SettingPress into the next menu as below and then use or to select item. Use or to select Red, Green, or Bl

28EnglishUser ControlsDISPLAY FormatUse this function to choose your desired aspect ratio.SVGA  4:3: This format is for 4×3 input sources.  16:9-I:

29EnglishUser ControlsWXGA  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

3EnglishUsage NoticePrecautions Please follow all warnings, precautions and maintenance as recommended in this user’s guide.▀ Warning- Do not look i

30EnglishUser Controls 3D Mode  Off: Select “Off” to turn 3D settings off for 3D images.  DLP Link: Select “DLP Link” to use optimized settings fo

31EnglishUser ControlsSETUP LanguageChoose the multilingual OSD menu. Press or into the sub menu and then use the or key to select your prefer

32EnglishUser Controls  Rear-Ceiling When selected, the image will appear reversed in upside down position. Menu LocationChoose the menu location

33EnglishUser ControlsSETUP | Security Security On: Choose “On” to use security verication when the turning on the projector. Off: Choose “Off” to

34EnglishUser Controls If the incorrect password is entered 3 times, the projector will automatically shut down. If you have forgotten your password

35EnglishUser ControlsSETUP | Signal AutomaticAutomatically selects the singal. If you use this function, the Phase, frequency items are grayed out,

36EnglishUser Controls Source Lock On: The projector will only search current input connection. Off: The projector will search for other signals if

37EnglishUser ControlsOPTIONS | Advanced Direct Power OnChoose “On” to activate Direct Power mode. The projector will automatically power on when AC

38EnglishUser ControlsOPTIONS | Lamp Settings Lamp HoursDisplay the projection time. Lamp ReminderChoose this function to show or to hide the warni

39EnglishAppendices No image appears on-screen Ensure all the cables and power connections are correctly and securely connected as described in the “

4EnglishUsage NoticeDo:  Turn off and unplug the power plug from the AC outlet before cleaning the product.  Use a soft dry cloth with mild dete

40EnglishAppendices 7. Click on “Show all devices”. Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under

41EnglishAppendices Image is out of focus Make sure the lens cap is removed. Adjust the Focus Ring on the projector lens.  Make sure the projection

42EnglishAppendices The projector stops responding to all controls If possible, turn off the projector, then unplug the power cord and wait at least

43EnglishAppendices On Screen Messages  Temperature warning:  Fan failed:  Lamp warming:  Out of display range: If the remote control does not wo

44EnglishAppendicesReplacing the lampThe projector automatically detects the lamp life. When the lamp life is nearing the end of use, you will receive

45EnglishAppendicesLamp Replacement Procedure:1. Switch off the power to the projector by pressing the “ ” button. 2. Allow the projector to cool do

46EnglishAppendicesCompatibility ModesMode ResolutionV-Sync (Hz) H-Sync (KHz)Anglog Digital Anglog DigitalVGA 640 × 350 70 70 31.50 31.50VGA 640 × 350

47EnglishAppendicesVideo CompatibilityComputer CompatibilityMode Resolution V-Sync (Hz) H-Sync (KHz)MAC LC 13” 640 × 480 66.66 34.98MAC II 13” 640 × 4

48EnglishAppendicesRS232 Pin AssignmentsPin no.Spec. (from projector side)1 N/A2 RXD3 TXD4 N/A5 GND6 N/A7 N/A8 N/A9 N/A123456789RS232 Commands and Pr

49EnglishAppendicesRS232 Protocol Function ListBaud Rate : 9600Data Bits: 8Parity: NoneStop Bits: 1 Flow Control : NoneUART16550 FIFO: DisableProjecto

5EnglishUsage NoticeEye Safety Warnings ▀ Avoid staring/facing directly into the projector beam at all times. Keep your back to the beam as much as

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52EnglishAppendicesPlease note that damage resulting from incorrect installation will void the warranty.Ceiling Mount Installation1. To prevent dam

53EnglishAppendicesOptoma Global OfcesFor service or support please contact your local ofce.USA715 Sycamore Drive 408-383-3700Milpitas, CA 95035,

54EnglishAppendicesLatin America715 Sycamore Drive 408-383-3700Milpitas, CA 95035, USA 408-383-3702www.optoma.com.br www.optoma.com.mx KoreaWO

55EnglishAppendicesRegulation & Safety NoticesThis appendix lists the general notices of your projector. FCC notice This device has been tested an

56EnglishAppendicesDisposal instructionsDo not throw this electronic device into the trash when discarding. To minimize pollution and ensure utmost pr

6EnglishIntroductionDocumentation : User’s ManualWarranty CardQuick Start CardWEEE Card (for EMEA only)Due to different applications in ea

7EnglishIntroductionProduct Overview1. Control Panel2. Focus Ring3. Lens4. IR Receivers5. Tilt-Adjustment Feet6. Security Bar7. Input / Output

8EnglishIntroductionPOWER862 4 537111091121. AV Mute 2. Menu3. Source4. Enter5. Re-Sync6. Power7. Keystone Correction8. Four Directional Selec

9EnglishIntroductionVGA-IN / YPbPr /S-VIDEO VIDEOAUDIO-OUTRS-232HDMIRCA-RRCA-LInput/Output Connections1. HDMI Connector (For WXGA only)2. VGA-In/YPb