Optoma Tx771 Projector User Manual

							
 
Setup and Operation 
Setting an Access Password (Security Lock) 
You can use the cursor (arrow)  buttons to set a password and prev ent unauthorized use of the pro-
jector. When enabled, the password must be ent ered after you power on the projector. (See 
Navigating the OSD  on page 
25 and Setting the OSD Language  on page 26 for help on using OSD 
menus.) 
Important: 
Keep the password in a safe place.  Without the password, you will not be able to use the projector. 
If you lose the password, contact your reselle r for information on clearing the password. 
 
1. Press the Menu button to open the 
1.OSD menu. 
2. Press the cursor  button to move 
to the Management menu. 
3. Press the cursor  button to select 
Security.  
4. Press the cursor  button to select 
Enable. (White text is selected.) 
A password dialog box automatically 
appears. 
5. You can only use the following four 
cursor buttons: 
   
in the password fields. You can use 
any combination including the same 
arrow five times, but not less than six. 
Press the cursor buttons in any order 
to set the password. When you con-
firm the password, OK appears. 
 
21  
						

							
 
Setup and Operation 
6. Every time you start the projector, a 
password dialog box appears. 
 
Enter the password in the order you 
set it on step 5. (Press the Menu but-
ton to cancel if you enter the wrong 
password.) 
 
 
22  
						

							
 
Setup and Operation 
Adjusting the Projector Level 
Take note of the following when setting up the projector: 
•  The projector table or stand should be level and sturdy. 
• Position the projector so that it is perpendicular to the screen. 
• Be sure cables are not in the way or can cause the projector to be knocked over. 
 
A
C
B
D
 
1.  To raise the level of the projector, lift the projector  [A] and press the height-
adjuster button  [B].  
The height adjuster drops down  [C].  
2.  To lower the level of the projector, press the height-adjuster button and push 
down on the top of the projector. 
3.  To adjust the angle of the picture, turn the tilt adjuster  [D] right or left until 
desired angle has been achieved.  
 
23  
						

							
 
Setup and Operation 
Adjusting the Zoom, Focus and Keystone 
1.  Use the Image-zoom 
control (on the projector 
only) to resize the pro-
jected image and 
screen size 
B. 
2.  Use the Image-focus  
control (on the projector 
only) to sharpen the 
projected image.  
A  
3.  Press the Keystone 
button on the remote 
control. 
The keystone control 
appears on the display.   
 
4.  Use the Keystone  but-
ton to correct image 
distortion. 
 
 
Adjusting the Volume 
1.  Press the  Volume +/-  
button on the remote 
control.  
The volume control ap-
pears on the display.  
2.  Use the Volume +/-  
button to adjust the 
level.  
3.  Press the  Mute button 
to turn off the volume.  
 
24  
						

							
 
Setup and Operation 
OSD Menu Controls 
The projector has an OSD that lets you ma ke image adjustments and change various settings.  
Navigating the OSD 
You can use the remote control curs or buttons or the buttons on the top of the projector to navigate 
and make changes to the OSD. The following illust ration shows the corresponding buttons on the re-
mote control and on the projector. 
14
3
6
25
1
2
3 4 5 6
 
1.  To open the OSD, press the  Menu button.  
2.  There are six menus. Press the cursor  
button to move through the menus.  
3. Press the cursor  button to move up and 
down in a menu.  
4. Press  to change values for settings, and 
then press  Enter or 
 to confirm the new set-
ting. 
5. Press  Menu to close the OSD or leave a sub-
menu. 
 
Note: 
Depending on the video source not all items in  the OSD are available. For example, the Horizon-
tal/Vertical Position  items in the Setup menu can only be  modified when connected to a PC. Items 
that are not available cannot be accessed and are grayed out.  
25  
						

							
 
Setup and Operation 
Setting the OSD Language 
You may want to reference the OSD on your projec tor while reading this section. Set the OSD lan-
guage to your preference before continui ng. (The default language is English.) 
1. Press the Menu button. The Image menu appears. 
 
2.  Press the cursor  button until Language is highlighted.  
 
3.  Press the cursor  button until Language is highlighted. 
4. Press the  button until your language is displayed.  
5. Press the 
Menu button twice to close the OSD.   
26  
						

							
 
Menu Setting 
Menu Setting 
OSD Menu Overview 
Use the following illustration* to quickly find a se tting or determine the range for a setting.  
 
* Represents the default settings on the projector. 
27  
						

							
 
Menu Setting 
Image Menu  
Press the Menu button to open the OSD menu.* Press the cursor  button to move to the  Image 
menu. Press the cursor 
 button to move up and down in the  Image menu. Press  to change 
values for settings, and then press  Enter or 
 to confirm the new setting. 
 
ITEM DESCRIPTION DEFAULT 
Display 
Mode Press the cursor  button to select different display mode. (Range: 
Presentation – TV) Presenta-
tion 
Brightness  Press the cursor  button to adjust the brightness. (Range: 0 – 
100) 50 
Contrast Press the cursor  button to adjust the contrast. (Range: 0 – 100) 50 
White  
Peaking White Peaking increases the output in the brightest whites without 
changing the blacks and dark grays. It crushes the whites slightly, but 
it does not appear to clip them or seriously obscure white detail. If you 
prefer a stronger image, adjust toward the maximum setting. For a 
smoother, more natural image, adjust toward the minimum setting. 
Press   to adjust the value of white peaking. (Range: 0 – 10) 
Data 
source: 10
Video 
source: 2 
Saturation Press the cursor  button to adjust the video saturation. (Range: 
0 – 100) 50 
Tint Press the cursor  button to adjust the video tint/hue. (Range: 0 – 
100) 50 
28  
						

							
 
Menu Setting 
29 
ITEM DESCRIPTION DEFAULT 
Sharpness Press the cursor  button to adjust the display sharpness (Range: 
1-5) 3 
Color  
Temperature Press the cursor  button to adjust the color temperature  
(Range: Cool/Normal/Warm) Normal 
*Note: Menu represents the default settings on the projector. 
 
Image Menu Functions Avail able for Connected Source
Function RGB DVI Component 
Video 
Composite 
Video S-Video 
Display Mode O O O O O 
Brightness O O O O O 
Contrast O O O O O 
White Peaking O O O O O 
Saturation   O O O 
Tint   O O O 
Sharpness O O O O O 
Color Temp O O O O O 
O = available to video source  
						

							
 
Menu Setting 
Display Menu  
Press the Menu button to open the OSD menu. Press the cursor  button to move to the  Display 
menu. Press the cursor 
 button to move up and down in the  Display menu. Press  to change 
values for settings, and then press  Enter or 
 to confirm the new setting. 
 
ITEM DESCRIPTION DEFAULT 
H. Image 
Shift Press the cursor  button to adjust the display position in horizontal 
direction. (Range: 0 – 100)  Center po- sition  
V. Image 
Shift Press the cursor  button to adjust the display position in vertical 
direction. (Range: 0 – 100)   Center po- sition  
Keystone Press the cursor  button to correct distortion of the projected im-
age.  
(Range: -50 – +50) 0 
Format Press the cursor  button to toggle within the 4:3 standard format , 
the 16:9 High Definition TV (HDTV) format , Little Box format and Na-
tive format 4:3 
Color 
Space Press the cursor  button to adjust the color space.  
(Range: Auto – RGB – YPbPr- YCbCr)  Auto 
30