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 detailed above if 
the horizontal image position is at maximum. Please consult the 
PureShift Range diagram below for further clarification.
Screen Height(H)
100%
H x 5% H x 35%
H x 15%
H x 55%
Distance (L)
WXGA
Screen
Installation
Screen Height (H)100% H x 40%
H x 10%
H x 50%
Distance (L)
XGA
Screen 
						

							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  
further clarification.
Left Side(W/2) x 10% (W/2) x 10%Right Side
Screen Width
(W)
PureShift Range Diagram
Installation
WWx5%
WXGA
Hx105% Wx5%
Max W image shift=Wx5% Max H image shift=Hx105%
When Hx105%, Max image shift=Wx0% When Wx5%, Max image shift=Hx100%
Hx100% Hx15%
H=Image Height
WWx5%
XGA
Hx100% Wx5%
Max W image shift=Wx5% Max H image shift=Hx100%
When Hx100%, Max image shift=Wx0% When Wx5%, Max image shift=Hx100%
Hx10%
H=Image Height 
						

							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
Vo l u m e
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Installation 
						

							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)
Min.36.9’’  
(93.8cm) 66.9’’ 
(170.0cm) 108.3’’ 
(275.0cm) 151.6’’ 
(385.0cm) 196.9’’ 
(500.0cm) 240.2’’ 
(610.0cm)
Screen size Max 
(WxH).
36.9’’x27.7’’ 
93.8x70.3cm 66.9’’x50.2’’ 
170.0 x127.5cm 108.3’’x81.2’’  
275.0 x206.3cm 151.6’’ x113.7’’ 
385.0 x288.8cm 196.9’’ x147.6’’ 
500.0 x375.0cm 240.2’’ x180.1’’  
610.0 x457.5cm
Min. 
(WxH)29.5’’ x22.1’’ 
75.0 x56.3cm 53.5’’x40.2’’ 
136.0 x102.0cm 86.6’’x65.0’’  
220.0 x165.0cm 121.3’’x90.9’’ 
308.0 x231.0cm 157.5’’x118.1’’ 
400.0 x300.0cm 192.1’’ x144.1’’  
488.0 x366.0cm
Distance4.9’ (1.50m) 8.9’ (2.72m) 14.4’ (4.40m) 20.2’ (6.16m) 26.2’ (8.00m) 32.0’ (9.76m)
Screen 
(Diagonal) Max.49.2’’  
(125.0cm) 137.8’’  
(350.0cm) 226.4’’  
(575.0cm) 315.0’’  
(800.0cm) 403.5’’ 
(1025.0cm) 492.1’’ 
(1250.0cm)
Min.32.8’’  
(83.3cm) 91.9’’  
(233.3cm) 150.9’’  
(383.3cm) 210.0’’  
(533.3cm) 269.0’’  
(683.3cm) 328.1’’  
(833.3cm)
Screen size Max 
(WxH).
39.4’’x29.5’’ 
100.0x75.0cm 110.2’’x82.7’’ 
280.0x210.0cm 181.1’’x135.8’’ 
460.0x345.0cm 252.0’’x189.0’’ 
640.0x480.0cm 322.8’’x242.1’’ 
820.0x615.0cm 393.7’’x295.3’’ 
1000.0x750.0cm
Min. 
(WxH)26.2’’x19.7’’ 
66.7x50.0cm 73.5’’x55.1’’ 
186.7x140.0cm 120.7’’x90.6’’ 
306.7x230.0cm 168.0’’x126.0’’ 
426.7x320.0cm 215.2’’x161.4’’ 
546.7x410.0cm 262.5’’x196.9’’ 
666.7x500.0cm
Distance6.6’(2.00m)  18.4’(5.60m)  30.2’(9.20m)  42.0’(12.80m)  53.8’(16.40m)  65.6’(20.00m)
Screen (Diagonal)30.8’’  
(78.1cm) 61.5’’  
(156.3cm) 92.3’’  
(234.4cm) 123.0’’  
(312.5cm) 153.8’’ 
(390.6cm) 184.5’’  
(468.8cm)
Screen size24.6’’x18.5’’ 
62.5x46.9cm 49.2’’x36.9’’ 
125.0x93.8cm 73.8’’x55.4’’ 
187.5x140.6cm 98.4’’x73.8’’ 
250.0x187.5cm 123.0’’x92.3’’ 
312.5x234.4cm 147.6’’x110.7’’ 
375.0x281.3cm
Distance1.6’ (0.50m) 3.3’ (1.00m) 4.9’ (1.50m) 6.6’ (2.00m) 8.2’ (2.50m) 9.8’ (3.00m)
Installation 
						

							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’’  
(762.1cm)
Min.34.3’’  
(87.1cm) 66.8’’  
(169.6cm) 107.9’’  
(274.2cm) 151.2’’  
(384.0cm) 196.5’’  
(499.0cm) 239.5’’  
(608.2cm)
Screen size Max 
(WxH).
36.5’’x22.8’’ 
92.6x57.9cm 71.0’’x44.4’’ 
180.2x112.7cm 114.7’’x71.7’’ 
291.4x182.1cm 160.6’’x100.4’’ 
408.0x255.0cm 208.8’’x130.5’’ 
530.2x331.4cm 254.4’’x159.0’’ 
646.3x403.9cm
Min. 
(WxH)29.1’’x18.2’’ 
73.9x46.2cm 56.6’’x35.4’’ 
143.8x89.9cm 91.5’’x57.2’’ 
232.5x145.3cm 128.2’’x80.1’’ 
325.6x203.5cm 166.6’’x104.1’’ 
423.2x264.5cm 203.1’’x126.9’’ 
515.8x322.4cm
Hd Max.1.1’’ (2.9cm) 2.2’’ (5.6cm) 3.6’’ (9.1cm) 5.0’’ (12.8cm) 6.5’’ (16.6cm) 8.0’’ (20.2cm)
Min.0.9’’ (2.3cm) 1.8’’ (4.5cm) 2.9’’ (7.3cm) 4.0’’ (10.2cm) 5.2’’ (13.2cm) 6.3’’ (16.1cm)
Distance4.9’ (1.50m) 9.6’ (2.92m) 15.5’ (4.72m) 21.7’ (6.61m) 28.2’ (8.59m) 34.4’ (10.47m)
Screen 
(Diagonal) Max.45.7’’  
(116.2cm) 128.1’’  
(325.3cm) 210.4’’  
(534.4cm) 292.7’’  
(743.6cm) 375.1’’  
(952.7cm) 457.4’’ 
(1161.8cm)
Min.30.4’’  
(77.3cm) 85.2’’  
(216.5cm) 140.0’’ 
 (355.7cm) 194.8’’  
(494.9cm) 249.6’’  
(634.1cm) 304.4’’  
(773.3cm)
Screen size Max 
(WxH).
38.8’’x24.2’’ 
98.5x61.6cm 108.6’’x67.9’’ 
275.9x172.4cm 178.4’’x111.5’’ 
453.2x283.3cm 248.2’’x155.2’’ 
630.5x394.1cm 318.1’’x198.8’’ 
807.9x504.9cm 387.9’’x242.4’’98
5.2x615.8cm
Min. 
(WxH)25.8’’x16.1’’ 
65.6x41.0cm 72.3’’x45.2’’ 
183.6x114.8cm 118.8’’x74.2’’ 
301.6x188.5cm 165.2’’x103.3’’ 
419.7x262.3cm 211.7’’x132.3’’ 
537.7x336.1cm 258.2’’x161.4’’65
5.7x409.8cm
Hd Max.1.2’’ (3.1cm) 3.4’’ (8.6cm) 5.6’’ (14.2cm) 7.8’’ (19.7cm) 9.9’’ (25.2cm) 12.1’’ (30.8cm)
Min.0.8’’ (2.0cm) 2.3’’ (5.7cm) 3.7’’ (9.4cm) 5.2’’ (13.1cm) 6.6’’ (16.8cm) 8.1’’ (20.5cm)
Distance6.6’ (2.00m) 18.4’ (5.60m) 30.2’ (9.20m) 42.0’ (12.80m) 53.8’ (16.40m) 65.6’ (20.00m)
Screen (Diagonal)28.7’’ (72.8cm) 57.3’’ (145.6cm) 86.0’’ (218.4cm) 114.6’’ (291.2cm) 143.3’’ (364.0cm) 172.0’’ (436.8cm)
Screen size24.3’’x15.2’’ 
61.7x38.6cm 48.6’’x30.4’’ 
123.5x77.2cm 72.9’’x45.6’’ 
185.2x115.7cm 97.2’’x60.8’’ 
246.9x154.3cm 121.5’’x75.9’’ 
308.6x192.9cm 145.8’’x91.1’’ 
370.4x231.5cm
Hd0.8’’ (1.9cm) 1.5’’ (3.9cm) 2.3’’ (5.8cm) 3.0’’ (7.7cm) 3.8’’ (9.6cm) 4.6’’ (11.6cm)
Distance1.6’ (0.50m) 3.3’ (1.00m) 4.9’ (1.50m) 6.6’ (2.00m) 8.2’ (2.50m) 9.8’ (3.00m)
Installation 
						

							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.
•
Navigates and changes settings in the OSD.
Menu Press Menu to launch the on-screen display 
(OSD) menu. To exit OSD, Press 
Menu again.
User Controls 
						

							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 caused by  
tilting the projector. (±30 degrees)
Zoom+ Press 
 to zoom in of an image.
Volume +/- Adjusts to increase/decrease the  
volume.
Page +  Use this button to page up.
Zoom- Press 
 to zoom out of an image.
Page - Use this button to page down.
PC / Mouse 
control The PC/Mouse control can be used to 
control mouse movement. The mouse 
function is enabled using the USB  
cable to connect your computer and 
the projector.
L Button Mouse left click.
R Button Mouse right click.
Menu Press 
Menu to launch the on-screen dis-
play  (OSD)  menu.  To  exit  OSD,  Press 
Menu again.
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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
M e n u
D i s p l a y
Vo l u m e
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Enter/Help
Brightness
Due to the 
difference in  
applications 
for each 
country, 
some regions 
may have 
different  
accessories.
v
P g
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•
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User Controls 
						

							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 from 
VGA- IN connector.
Video Press  Video  to  choose  Composite 
video source. 
S-Video Press 
S-Video  to  choose  S-Video 
source.
VGA-2 Press 
VGA-2 to choose source from 
VGA- IN connector.
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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
M e n u
D i s p l a y
Vo l u m e
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Enter/Help
Brightness
Due to the 
difference in  
applications 
for each 
country, 
some regions 
may have 
different  
accessories.
v
User Controls 
						

							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 menu.
3. Use ▲▼ keys to select the desired item and adjust the settings by  ◄► key.
4. Select the next item to be adjusted in the sub menu and adjust as  described above.
5.  Press  Enter  to  confirm,  and  the  screen  will  return  to  the  main 
menu.
6. To exit, press Menu again. The OSD menu back to last level   projector will automatically save the new settings.
Main Menu
Sub Menu Setting
User Controls 
						

							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
DISPLAY4:3/16:9 I/16:9 II/Native/Auto (XGA)
4:3/16:9 /16:10 /Native/Auto (WXGA)
Off/DLP-LinkOn/Off
LanguageSETUP
ProjectionMenu Location
SignalSecurityProjector ID
English/Deutsch/Français/Italiano/Español/Português/Polski/
Nederlands/Svenska/Norsk/Dansk /Suomi/ Ελληνικά/繁體中文/
简体中文 /日本語/ 한국어/Русский /Magyar/Čeština/ ﻋﺮﺑﻲ/ไทย /Türkçe
Audio
Advanced
Frequency/Phase/H. Position/V. Position/Exit
Month/Day/Hour/Exit
Enable/Disable
NetworkNetwork/DHCP/IP Address/Subnet Mask/Gateway/DNS/Apply/Exit
SETUP | AudioMuteVolumeExit
On/Off
SETUP | AdvancedLogoLogo CaptureClosed CaptioningExit
Optoma/User
CC1/CC2/Off
OPTIONSSource LockHigh AltitudeInformation HideKeypad LockBackground ColorAdvanced
On/OffBlue/Black/Red/Green/White
Lamp SettingResetYes/No
On/OffOn/OffOn/Off
OPTIONS | AdvancedDirect Power OnAuto Power Off (min)Sleep Timer (min)
On/Off
Power Mode (Standby)ExitECO Mode/Active Mode
OPTIONS | Lamp SettingLamp HourLamp ReminderBrightness ModeBright/STDLamp ResetExitYes/No
On/Off
Contrast
Color SettingsRed/Green/Blue/Cyan/Yellow/Magenta/Reset/Exit
RS232RS232/NetworkLens TypeSTD/Short/Long
User Controls