Optoma GT750 User's Guide Page 1

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

10EnglishIntroductionRemote Control1. Power On2. Power Off3. 16:94. Native5. Contrast6. Brightness7. Vol+/-8. Enter9. Re-Sync10. VGA Source1

11EnglishInstallationConnect to Computer/NotebookConnecting the ProjectorVGA / YPbPrS-VIDEO VIDEO3D SYNCOut (5V)AUDIO-OUTRS-232HDMI 1 HDMI 2AUDIO-IN-R

12EnglishInstallationVGA / YPbPrS-VIDEO VIDEO3D SYNCOut (5V)AUDIO-OUTRS-232HDMI 1 HDMI 2AUDIO-IN-RAUDIO-IN-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 54-55 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.  WXGA series: The projector

17EnglishInstallation This table is for user’s reference only.WXGADiagonal length (inch) size of 16:10 ScreenScreen Size W x H Projection Distance (D

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 OnRefer to the “Power On” section on page 13.Power OffRefer to the “Power On/Off the

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 ControlEnterConrm your item selection.SourcePress “Source” to select an input signal.Re-syncAutomatically sync

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

22EnglishUser ControlsMenu TreeGT750 OSD Menu Tree.xlsMain Menu Sub Menu SettingsImageDisplay ModeBrightness -50 ~ +50Contrast -50 ~ +50Sharpness 1~15

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 SettingsPress into the next menu as below and then use or to select item.  Red/Green/Blue/Cyan/Magenta

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

29EnglishUser Controls Detail informations about LBX mode:1. Some Letter-Box DVDs are not enhanced for 16x9 TVs. In this situation, the image will no

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

30EnglishUser Controls “3D sync. Invert” function wouldn’t save the setting. It will set to “Off” when powers on and changes source. 3D Format is

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

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 ControlsSETUP | Audio Settings Internal SpeakerChoose the “On” or “Off” to turn on or off the internal speaker. Mute Choose the “On”

37EnglishUser Controls Source Lock On: The projector will only search current input connection. Off: The projector will search for other signals if

38EnglishUser ControlsOPTIONS | Advanced Direct Power OnChoose “On” to activate Direct Power mode. The projector will automatically power on when AC

39EnglishUser ControlsOPTIONS | Lamp Settings Lamp HoursDisplay the projection time. Lamp ReminderChoose this function to show or to hide the warni

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

41EnglishAppendices 7. Click on “Show all devices”. Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under

42EnglishAppendices Image is out of focus Make sure the lens cap is removed. Adjust the Focus Ring on the projector lens.  Make sure the projection

43EnglishAppendices The projector stops responding to all controls If possible, turn off the projector, then unplug the power cord and wait at least

44EnglishAppendices On Screen Messages  Temperature warning:  Fan failed:  Lamp warming:  Out of display range: If the remote control does not wo

45EnglishAppendicesReplacing the lampThe projector automatically detects the lamp life. When the lamp life is nearing the end of use, you will receive

46EnglishAppendicesLamp Replacement Procedure:1. Switch off the power to the projector by pressing the “ ” button. 2. Allow the projector to cool do

47EnglishAppendicesCompatibility ModesMode ResolutionV-Sync (Hz) H-Sync (KHz)Anglog Digital Anglog DigitalVGA 640 × 350 70 70 31.50 31.50VGA 640 × 350

48EnglishAppendicesVideo CompatibilityComputer CompatibilityMode Resolution V-Sync (Hz) H-Sync (KHz)MAC LC 13” 640 × 480 66.66 34.98MAC II 13” 640 × 4

49EnglishAppendices3D input Compatibility GT750 3D support table HDMI 1.4a 3D timingFormats Modes ResolutionPixel Rate DLP link VESA 3D Auto 3D forma

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

50EnglishAppendicesRS232 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

51EnglishAppendicesRS232 Protocol Function ListGT750Baud Rate 9600Data Bits8Parity NoneStop Bits1Flow Control NoneUART16550 FIFODisable~ X X X X X n C

52EnglishAppendices~ X X X X X n CRLead Code Projector ID Command ID space variable carriage returnSETUPLanguageArabic n=20Thai n=21Turkish n=22Farsi

53EnglishAppendices~ X X X X X n CRLead Code Projector ID Command ID space variable carriage returnAspect Ration=1 ~XX127 nColor TemperatureWarm Mediu

54EnglishAppendicesPlease note that damage resulting from incorrect installation will void the warranty.Ceiling Mount Installation1. To prevent dam

55EnglishAppendicesOptoma Global OfcesFor service or support please contact your local ofce.USA3178 Laurelview Ct. 888-289-6786Fremont, CA 94538,

56EnglishAppendicesBenelux BVRandstad 22-123 +31 (0) 36 820 02531316 BW Almere +31 (0) 36 548 9052The Netherlands www.optoma.nlLatin America317

57EnglishAppendicesRegulation & Safety NoticesThis appendix lists the general notices of your projector. FCC notice This device has been tested an

58EnglishAppendicesDisposal 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 / YPbPrS-VIDEO VIDEO3D SYNCOut (5V)AUDIO-OUTRS-232HDMI 1 HDMI 2AUDIO-IN-RAUDIO-IN-LInput/Output Connections1. VGA/YPbPr/ Con