Optoma Tx779 Projector User Manual

English11
Rear View




Introduction
1. USB Connector9. 12V DC Connector
2. VGA OUT 10. Kensington Lock
(External monitor connection for 11. Built-in Speaker
VGA 1 signal) 12. Back IR Receiver
3. VGA-1 IN/ SCART/ YPbPr Connector 13. AUDIO IN L/R Connectors
4. VGA-2 IN/ YPbPr Connector 14. AUDIO IN Connector
5. DVI-D Connector 15. RS-232 Connector
6. HDMI Connector 16. AUDIO OUT 3.5mm Jack
7. S-VIDEO Connector 17. LAN Connector
8. VIDEO Connector 18. Power Socket 

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Remote Control
 























1. Laser
2. Status LED
3. Power On/Off
4. PC/Mouse Control
5. Mouse Left Click
6. Enter
7. Source / ◄
8. Keystone +/-
9. Menu/2
10. DVI-D/YPbPr/1
11. HDMI/4
12. S-Video/7
13. IR Transmitter
14. Laser
15. Mouse Right Click
16. ▲ / Page +
17. Re-Sync / ►
18. ▼ / Page -
19. Volume +/-
20. ZOOM/3
21. AV mute/6
22. Video/9
23. Freeze/5
24. VGA/8
Introduction
Due to the 
difference in  
applications 
for each 
country,...

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Connecting the Projector
Connect to Computer / Notebook
1
Audio OutL     R
Audio In
Audio - Out
334235
787
6
v Due to the  
difference in  
applications for 
each  
country, some 
regions may 
have different 
accessories.
Installation
1. Power Cord
2. USB Cable (Optional)
3. VGA Cable
4. DVI-D Cable (Optional)
5. Audio Cable (Optional)
6. HDMI Cable (Optional)
7. Audio Cable (Optional - RCA to mini-jack)
8. RS232 Cable (Optional)  

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Connect to Video Sources
1. Power Cord
2. Audio-in Cable (Optional)
3. DVI-D Cable (Optional)
4. HDMI Cable (Optional)
5. S-Video Cable (Optional)
6. Video Cable (Optional)
7. Audio-in Cable (Optional)
8. VGA Cable
9.
SCART to RGB & S-Video Adapter (Optional)
10.RGB to Component Adapter (Optional)
11.Component Cable (Optional)
4
DVD Player, Set-top Box,HDTV receiver
DVD Player, Set-top Box,HDTV receiverVideo Output
10
11
1
3245
58
9
6
7
Installation
Due to the  
difference in  
applications...

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Powering On/Off the Projector
Powering On the Projector
1. Remove the lens cover.
2. Connect the power cord to the projector.
3. Turn On the connected devices.
4. Ensure the Power LED is flashing and then press the 
Power  
button to turn On the projector. 
The projector’s startup logo screen displays and connected devices 
are detected. 
If the connected device is a laptop, press the appropriate keys on 
the computer keyboard to switch the display output to the projector. 
(Check the user...

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Powering Off the Projector
1. Press Power to turn off the projector lamp, a message displays on the 
projector’s screen.
2. Press Power again to confirm, otherwise the message disappears 
after 5 seconds. 
3. 
The  cooling  fans  continue  to  operate  for  about  10  seconds  for  
cooling cycle
.
(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...

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Adjusting the Projected Image
Adjusting the Projector’s Height
The projector is equipped with elevator foot for adjusting the image hei\
ght.
To raise the image:
1. Lift the projector u.
2. Press the elevator button  v.
3. Raise the image to the desired height angle, the elevator foot  drops down  w.
3. Fine-tune the display angle and then release the button to lock  the elevator foot into position. 
To lower the image:
Press the height-adjuster button and push down on the top of the...

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Adjusting the 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. See pages 19.Use the keystone buttons to  
correct image distortion. They can be found on the remote  
control and on the projector’s control panel.
SourceEnter
Menu
Resync
HDMI
Installation 

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Adjusting Projection Image Size
Height
Diagonal
Width
Hd
3.6 (1.09m)
9.7 (2.93m)
18.1 (5.49m)
24.2 (7.32m)
30.2 (9.14m) 36.3 (11m)
Hd
30
(76.2cm) 80
(203.2cm) 150
(381cm) 200
(508cm)
250
(635cm)
214.3
(544.3cm)
300  
(762cm)  
25.7
(65.3cm)68.6
(174.2cm) 128.6
(326.6cm) 171.4
(427.4cm) 257.1  
(653.1cm)
Screen 
(Diagonal) Max.
30”
80”150” 200”250”300”
76.2cm 203.2cm 381cm 508cm635cm762cm
Min.25.7” 68.6”128.6” 171.4”214.3”257.1”
65.3cm 174.2cm 326.6cm 427.4cm 544.3cm 653.1cm
Screen 
size Max...

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Control Panel
SourceEnter
Menu
Resync
User Controls
Using the Control Panel
Power LED
Green Power On
Off Power Off (AC Off)
Flashing Standby
Lamp LED Red Error code
Temp LED Red Error code
Flashing Error code
Power Turn the projector On or Off.
▲/Keystone 
 
(Up arrow) •Adjust the image Keystone positively.
•Navigates and changes settings in the OSD.
◄/Vol - 
(Left arrow)
•Volume down
•Navigates and changes settings in the OSD.
SourcePress Source to select an input signal.
Menu
Press Menu...