Optoma Tx785 Projector User Manual

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Rear View
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1235674
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8910
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Introduction
1. Temp LED14. 12V OUT A/B Connector
2. Lamp LED 15. AUDIO IN L/R RCA (YPbPr) Connectors
3. DVI-D Connector 16. AUDIO IN L/R RCA (Video/ S-Video) Connectors
4. VGA 2/ YPbPr Connector 17. VIDEO Connector
5. HDMI Connector 18. S-VIDEO Connector
6. USB Connector 19. YPbPr Connectors
7. RJ-45 Connector 20. BNC Connectors
8. AUDIO IN (VGA2) Connector 21. Power Socket
9. VGA OUT 22. Main Power Switch
10. AUDIO OUT 3.5mm...

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Remote Control
 
P g P g
F o r m a t
H D M I
S o u r c eC o m p o n e n t
D IV B N C V G A - 1
V G A - 
S - Vi d e oVi d e o
M e n u
D i s p l a y
Vo l u m e
、、、、
1
 

  
  0
Enter/Help
Brightness
10
6
2
3
5
7
4
9
23
1819
26
27
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29
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8
11. AV Mute
2. Power On/Off
3. Re-Sync
4. Freeze
5. Keystone
6. Page Up
7. Volume +/-
8. Page Down
9. PC/Mouse control
10. Mouse Right Click
11. Enter/Help
12. Four Directional...

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Connecting the Projector
Connect to Computer / Notebook
1. Power Cord
2. VGA2 Cable
3. VGA1 Cable
4. Audio-in Cable
5. DVI-D Cable (Optional)
6. HDMI Cable (Optional)
7. USB Cable
8. VGA-out Cable (Available for VGA1 VGA signal loop through)
9. Audio-out (Optional RCA to 3.5mm jack cable)
10. RS-232 Cable (Optional)
11. BNC Cable
v Due to the  
difference in  
applications 
for each  
country, some 
regions may 
have different 
accessories.
Installation
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1
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Connect to Video Sources
1. Power Cord
2. Component Cable (Optional)
3. DVI-D Cable (Optional)
4. HDMI Cable (Optional)
5. BNC Cable (Optional)
6. Audio-in Cable
7. Audio-in Cable
8. Video Cable (Optional)
9. S-Video Cable (Optional)
10.
VGA Cable
11.SCART to RGB & S-Video Adapter (Optional)
12.RGB to Component Adapter (Optional) 
4
DVD Player, Set-top Box, HDTV receiver
DVD Player, Set-top Box, HDTV receiver
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1
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799
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Video Output
1210
2
Installation
Due to the  
difference in...

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Caution 
• Do not shake or place excessive pressure on the projector or the lens components as the projector and lens components contain  
precision parts.
• Before removing or installing the lens, be sure to turn off the   projector, wait until the cooling fans stop, and turn off the main 
power switch.
• Do not touch the lens surface when removing or installing the lens.
• Keep fingerprints, dust or oil off the lens surface. Do not scratch  the lens surface.
• Work on a level surface with...

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5. Pull out the existing 
lens slowly.
Installing the New Lens
1.  Align the notches and  
correctly position the 
electrical contact pad as 
shown in the picture.
2. Rotate the lens  
clockwise until you feel 
it click into place.
Pin of 
IRIS
v Pin of IRIS 
should be in 
the direction as 
shown in the 
picture.
Installation 

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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 turns amber and then press the power  button to turn On the projector. 
The Power LED will now flash blue.  
 
The startup screen will display in approximately 30 seconds. The 
first time you use the projector, you can select your preferred lan -
guage and Power Mode setup after the startup screen display. 
If...

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See Security Setting on page 43 if security lock is enabled. 
5. If more than one input device is connected, press the “Source” \
button sequentially to switch between devices.  
For direct source selection, see page 28. 
Installation 

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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 15 seconds. 
3. 
The cooling fans continue to operate for about 10 seconds for cooling  cycle
  and  the  Power  Led  will  turn  blue.  When  the  light  is  solid 
amber, the projector has entered standby mode.
(If you wish to turn the projector back on, you must wait until the 
projector has...

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Adjusting the Projected Image
Adjusting the Projector’s Height
The projector is equipped with elevator foot for adjusting the image height.
To raise the image:
Use screw in foot u to rise the image to the desired height angle 
and fine-tune the display angle. 
To lower the image:
Use screw in foot  u to lower the image to the desired height angle 
and to fine-tune the display angle.
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Adjusting Projected Image Position 
Using PureShift
Horizontal Lens 
Shift Lever
Vertical Lens 
Shift...