Optoma Tx770 Projector User Manual

							
11... English

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, 
etc.).  The projector will detect your source automatically.
  If the screen displays “No Signal”,  please make sure the signal 
cables are securely connected.
 If you connect multiple sources at the same time, use the “Source” 
button on the control panel to switch.
Powering On/Off the Projector
Turn on the projector first and then the signal sources.
1
Quick Menu 
						

							
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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 conditions, the projector can be switched on again 
after it has cooled down.  If the problem persists, you should con-
tact your local dealer or our service center.
  When the “TEMP” indicator flashes red for about 10 seconds, you 
will see a message “Fan failure. Lamp will automatically turn off 
soon.” on the on-screen display.  Please contact your local dealer or 
our service center.
Powering Off the Projector
1.   Press the “Power/Standby” button to turn off the projector 
lamp, you will see a message “Power off the lamp? Picture 
Mute” displayed on the projector’s screen. Press the “Pow-
er/Standby” button again to confirm, otherwise the message 
will disappear after 5 seconds.     
  Please note that if the  key is pressed instead,  the projec-
tor will enter the “Picture Mute” mode and no image will 
be displayed.  To exit the “Picture Mute” mode, press the 
“Power/Standby” button again. 
2.  The cooling fans continue to operate for about 60 seconds 
for cooling cycle and the Power LED will turn green.  When 
the Power LED begins flashing, the projector has entered 
standby mode.
  If you wish to turn the projector back on, you must wait 
until the projector has completed the cooling cycle and has 
entered standby mode.  Once in standby mode, simply press 
“Power/Standby” button to restart the projector.
3. Disconnect the power cord from the electrical outlet and the 
projector.
4.  Do not turn on the projector immediately following a power 
off procedure. 
						

							
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Adjusting the Projected Image
Adjusting the Projector Image Height
Tilt Adjusting FeetElevator Foot
23
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 release the button to lock the eleva-
tor foot into position. 
3.  Use  to fine-tune the display angle.
Installation
 1 
						

							
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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 375.0cm)
Min.(WxH) 19.68" x 14.76"
(50.0 x 37.5cm) 49.20" x 36.90"
(125.0 x 93.8cm) 82.00" x 61.50"
(208.3 x 156.2cm) 114.80" x 86.10"
(291.7 x 218.8cm) 131.20" x 98.40"
(333.4 x 250.0cm) 164.08" x 123.06"
(416.6 x 312.5cm)
3.94'(1.2m)9.84'(3.0m)16.40'(5.0m)22.97'(7.0m)26.25'(8.0m)32.81'(10.0m)

Focus Ring
Zoom Ring
Adjusting the Projector Zoom / Focus
You may turn the zoom ring to zoom in or out.  To focus the image, 
rotate the  focus ring until the image is clear. The projector will 
focus at distances from 3.9 to 32.8 feet (1.2 to 10.0 meters).
Adjusting Projection Image Size
61.5"
(156.3cm)
102.5"
(260.4cm)
143.5"
(364.6cm)
164.0"
(416.7cm)
205.1"
(520.8cm)
29.5" (75.0cm)
73.8"(187.5cm)
123.0"(312.5cm)
172.2"(437.5cm)
196.9"(500.0cm)
246.1"(625.0cm)
3.94'
32.81' 26.25' 22.97' 16.40'
9.84'
(1.2m)
(10.0m) (8.0m) (7.0m) (5.0m)
(3.0m)
24.6"
(62.5cm)
Screen(Diagonal)
Screen Size
Distance
This graph is for user’s reference only.
Installation 
						

							
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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 /Keystone   
 Adjusts image distortion caused by tilting the projector (±16 
degrees).
Four Directional Select Keys 
 Use         to select items or make adjustments to your 
selection.
Enter 
 Confirm your selection of items.
Auto Image 
 Automatically synchronizes the projector to the input source. 
						

							
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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 
degrees).
Page Up (Computer mode only)
 Use this button to page up.  This function is only available when 
the projector is connected to a computer via an USB cable.
Page Down (Computer mode only)
 Use this button to page down. This function is only available 
when the projector is connected to a computer via an USB cable.
Freeze
 Press “Freeze” to pause the screen image.
Four Directional Select Keys 
 Use         to select items or make adjustments to your 
selection.
Menu
 Press “Menu” to launch the on screen display menu.  To exit 
OSD, press “Menu” again.
Enter 
 Confirm your selection of items.
VGA
 Press “VGA” to choose Analog RGB, component and SCART 
/HDTV source.
S-Video
 Press “S-Video” to choose S-Video source. 
						

							
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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 adjust the set-
tings by     key.  
4. Select the next item to be adjusted in the sub menu and adjust 
as described above.   
5. Press “Menu” to confirm, and the screen will return to the main 
menu.
6.  To exit, press “Menu” again.  The OSD menu will close and the 
projector will automatically save the new settings.
On Screen Display Menus
Main Menu
Sub MenuSetting
User Controls 
						

							
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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 changes the 
amount of black and white in the image.
 Press the  to decrease the contrast.
 Press the  to increase the contrast.
  Keystone (Keystone Correction)
Adjust image distortion caused by tilting projector. (±16 degrees)
  Color
Press “Enter” to adjust the red, green and blue colors. 
User Controls
Computer / Video Mode