Optoma Tx785 Projector User Manual

English1
The PureShift function can be used to adjust the position of the 
projected image either horizontally or vertically within the range 
detailed below.
Adjusting the vertical image position
The vertical image height can be adjusted between 100% and -10% 
for XGA, 105% and -15% for WXGA of image height. Note that the 
maximum vertical image height adjustment can be limited by the 
horizontal image position. For example it is not possible to achieve 
the maximum vertical image position height...

English
Adjusting the horizontal image position
With the lens in the center position the 
horizontal image position can be adjusted 
to the left or right by up to a maximum 
of 5% of the image width. Note that the 
maximum horizontal image height  
adjustment can be limited by the vertical 
image position. For example it is not  
possible to achieve the maximum hori-
zontal image position if the vertical image 
position is at maximum. Please consult the 
PureShift Range diagram below for...

English
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 24-25.Use the keystone buttons to  
correct image distortion. They can be found on the remote  
control and on the projector’s control panel.
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 - 2
S - Vi d e oVi d e o
E n t e r
M e n u
I P mo d u l e
D i s p l a y...

English
Adjusting Projection Image Size (XGA)
Height
Diagonal
Width
HdHd
4.9 (1.50m)8.9 (2.72m)14.4 (4.40m)
20.2 (6.16m)
26.2 (8.00m)32.0 (9.76m)
6.6 (2.00m) 18.4 (5.60m) 30.2 (9.20m)42.0 (12.80m)
53.8 (16.40m)
65.6 (20.00m)
1.6 (0.50m) 3.3 (1.00m) 4.9 (1.50m) 6.6 (2.00m)8.2 (2.50m)9.8 (3.00m)
STD lens: offset=100%
Long lens: offset=100%
Short lens: offset=100%
Screen 
(Diagonal) Max.46.1’’ 
(117.2cm) 83.7’’ 
(212.5cm) 135.3’’ 
(343.8cm) 189.5’’ 
(481.3cm) 246.1’’ 
(625.0cm) 300.2’’ 
(762.5cm)...

English
Adjusting Projection Image Size (WXGA)
Height
Diagonal
Width
HdHd4.9 (1.50m)9.6 (2.92m)15.5 (4.72m) 21.7 (6.61m)28.2 (8.59m)34.4 (10.47m)
6.6 (2.00m) 18.4 (5.60m)
30.2 (9.20m)42.0 (12.80m) 53.8 (16.40m) 65.6 (20.00m)
1.6 (0.50m) 3.3 (1.00m) 4.9 (1.50m) 6.6 (2.00m)
8.2 (2.50m) 9.8 (3.00m)
STD lens: offset=110%
Long lens: offset=110%
Short lens: offset=110%
Screen 
(Diagonal) Max.43.0’’  
(109.2cm) 83.7’’  
(212.6cm) 135.3’’  
(343.6cm) 189.4’’  
(481.2cm) 246.2’’  
(625.3cm) 300.1’’...

English
Control Panel
Using the Control Panel
▲/Keystone+ 
(Up arrow)
•Adjust the image Keystone positively.
•
Navigates and changes settings in the OSD.
◄/Source 
(Left arrow) •Press Source to select an input signal.
•Navigates and changes settings in the OSD.
Enter / HelpConfirm your item selection./
Press to activate Help function
(disabled in OSD menus).
See page 58 Appendices for help function.
►/
Re-Sync 
(Right arrow) •Automatically synchronizes the projector to 
the input source.
•...

English
Remote Control
Using the Remote Control
PowerRefer  to  the  “Power  On/Off  the 
Projector” section on page 17.
Laser Aim  the  remote  at  the  viewing  screen, 
press  and  hold  this  button  to  activate 
the laser pointer.
AV Mute Momentarily  turns  off/on  the  audio 
and video.
Re-Sync Automatically synchronizes the  
projector to the input source.
Display
Press Display to selece a Display mode.
Freeze Press  Freeze to pause the screen image.
Keystone Adjusts image distortion...

English
Using the Remote Control
Four Directional 
Select KeysUse ▲▼◄► to select items or make 
adjustments to your selection.
Brightness Adjust the brightness of the image.
Format
Press Format to select the image ratio.
HDMI Press HDMI  to choose HDMI source. 
Component Press Component to choose 
Component source.
Source  Press Source  to select an input signal.
DVI Press
 DVI to choose source from 
DVI-D connector. 
BNC Press BNC  to choose BNC source. 
VGA-1 Press 
VGA-1 to choose source...

English
On-screen Display Menus
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 
Projector Keypad.
2.  When  OSD  is  displayed,  use  ◄►  keys  to  select  any  item  in  the  main menu. While making a selection on a particular page, press 
▼ or Enter to enter sub...

English0
Menu Tree
IMAGEDisplay Mode
Sharpness
Brightness
Advanced
TintSaturation
IMAGE | ADVANCEDBrilliantColorTMDegammaColor Temp.Color SpaceInput SourceDe-InterlaceExit
3D3D Sync invert
SETUP | SecuritySecurity TimerChange PasswordSecurity SettingExit
Auto/RGB/YUVWarm/Medium/ColdFilm/Video/Graphics/PC
Presentation/Bright/Movie/sRGB/Blackboard/Classroom/User 1/User 2
HDMI/DVI-D/BNC/VGA 1/VGA 2/Component/S-Video/Video/ExitOn/Off
FormatOverscanZoomH Image ShiftV Image Shift (16:9)V Keystone...