Optoma Tx770 Projector User Manual

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Installation
Power/Standby
Powering On the Projector
1.  Remove the lens cap.
2.  Ensure that the power cord and signal cable are securely 
connected.  The Power LED will flash green.
3.  Turn on the lamp by pressing “Power/Standby” button on 
the control panel.   And the Power LED will turn green.
 The first time you use the projector, you can select your 
preferred language from quick menu after the startup screen 
display.
4.  Turn on your source (computer, notebook, video player,...

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Installation
Warning Indicator
  When the “LAMP” indicator lights solid red, the projector will 
automatically shut itself down.  Please contact your local reseller 
or service center.
  When the “TEMP” indicator lights solid red for about 20 sec-
onds, it indicates the projector has been overheated.  You will see a 
message “Projector Overheated. Lamp will automatically turn off 
soon.” on the on-screen display.  The projector will automatically 
shut itself down.
  Under normal...

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Adjusting the Projected Image
Adjusting the Projector Image Height
Tilt Adjusting FeetElevator Foot
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Elevator Button
The projector is equipped with an elevator foot for adjusting the 
image height.
  To raise the image:
1.  Press the elevator button .
2.  Raise the image to the desired height angle , then release 
the button to lock the elevator foot into position.
3.  Use  to fine-tune the display angle. 
  To lower the image:
1.  Press the elevator button.
2.  Lower the image, then...

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Max.29.5"(75.0cm)73.8"(187.5cm)123.0"(312.5cm)172.2"(437.5cm)196.9"(500.0cm)246.1"(625.0cm)
Min. 24.6"(62.5cm) 61.5"(156.3cm) 102.5"(260.4cm) 143.5"(364.6cm) 164.0"(416.7cm) 205.1"(520.8cm)
Max.(WxH)23.60" x 17.70"
(60.0 x 45.0cm)59.04" x 44.28"
(150.0 x 112.5cm)98.40" x 73.80"
(250.0 x 187.5cm)137.76" x 103.32" (350.0 x 262.5cm)157.52" x 118.14"
(400.0 x 300.0cm)196.88" x 147.66"(500.0 x...

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User Controls
Remote ControlControl Panel
Control Panel & Remote Control
There are two ways for you to control the functions: Remote 
Control and Control Panel.
  Using the Control Panel
Power/Standby 
 Refer to the “Power On/Off the Projector” section on pages 11-
12.
Source 
 Press “Source” to choose RGB, Component-p, Component-i, S-
Video, Composite Video and HDTV sources.
Menu 
 Press “Menu” to launch the on screen display (OSD) menu. To 
exit OSD, press “Menu” again.
Keystone...

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User Controls
  Using the Remote Control
Power/Standby
 Refer to the “Power On/Off the Projector” section on pages 11-
12.
Re-Sync
 Automatically synchronizes the projector to the input source.
Volume + / - (Vol+/Vol-)
 Increases/decreases speaker volume.
Reset
 Changes the adjustments and settings to the factory default 
value.
Hide
 Press “Hide” to hide image, press again to restore display of the 
image.
Keystone  / 
 Adjusts image distortion caused by tilting the projector (±16...

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Composite
 Press “composite” to choose Composite video source.
DVI-D
 Press “DVI-D” to choose DVI-D connector.
User Controls 

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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 Control Panel.
2. When OSD is displayed, use     keys to select any item in 
the main menu.  While making a selection on a particular page, 
press  “Enter ” key to enter sub menu.
3. Use      keys to select the desired item and...

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Language
 Language
Choose the multilingual OSD menu. Use the   or  key to select 
your preferred language. 
Press  “Enter” to finalize the selection. 
User Controls
Computer / Video Mode 

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Image-I
  Display Mode
There are many factory presets optimized for various types of im-
ages.  
 PC : For computer or notebook.
 Movie : For home theater.
 Game : For game.
 sRGB : For PC standard color.
 User : Memorize user’s settings.
  Brightness
Adjust the brightness of the image.
 Press the  to darken image.
 Press the  to lighten the image.
 Contrast
The contrast controls the degree of difference between the lightest 
and darkest parts of the picture. Adjusting the contrast...