Optoma Txr774 Projector User Manual

							English
Display
Format
Use this function to choose your desired aspect ratio.
4 4:3: This format is for 4x3 input sources not enhanced for Wide screen TV.
4 16:9 I (XGA series)/16:9 (WXGA series): This format is for 16x9  input sources, like HDTV and DVD enhanced for Wide screen TV.
4  16:9  II  (XGA  series)/16:10  (WXGA  series):  The  non-standard  wide-screen  display  format  of  the  projector.  Part  of  the  original  image  will 
be cut if the image aspect ratio is less than 1.67:1.
4 Native: Depends on the resolution of the display.
4 Auto: Automatically selects the appropriate format.
User Controls 
						

							English
Display
Overscan
Overscan  function  removes  the  noise  in  a  video  image.  Overscan  the  im-
age to remove video encoding noise on the edge of video source.
Zoom4
 Press ◄ to reduce the size of the image.
4 Press ► to magnify an image on the projected screen.
H Image Shift
Shifts the projected image position horizontally.
4 Press ◄ to move the image left on the projected screen.
4 Press ► to move the image right on the projected screen.
V Image Shift (16:9 only)
Shifts the projected image position vertically (in 16:9 format only).
4 Press ◄ to move the image up on the projected screen.
4 Press ► to move the image down on the projected screen.
V Keystone
Press  ◄ or ► to adjust image distortion vertically and to create a regular 
image.
User Controls 
						

							English
Setup
Language
Enter the Language menu. Select the multilingual OSD menu. See page 35
for more information.
Projection
Select projection method:
4  Front Desktop
The factory default setting.
4  Rear Desktop
When you select this function, the projector reverses the image so you 
can project behind a translucent screen.
4  Front Ceiling
When  you  select  this  function,  the  projector  turns  the  image  upside 
down for ceiling-mounted projection.
4  Rear Ceiling
When  you  select  this  function,  the  projector  reverses  and  turns  the 
image upside down at same time. You can project from behind a trans-
lucent screen with ceiling mounted projection.
Menu Location
Choose the menu location on the display screen.
User Controls 
						

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Setup 
Signal
Enter  the  Signal  menu.  Set  projector  signal  properties.  See  page  36  for 
more information.
Security
Enter the Security menu. Access the projector’s security features. See page 
37 for more information.
Projector ID
Select a two digit projector ID from 0 through 99.
Audio
Enter  the  Audio  menu.  Set  audio  level  properties.  See  page  40  for  more 
information.
Advanced
Enter  the  Advanced  menu.  Select  the  screen  display  during  startup.  See  
page 41 for more information.
RS232 (RJ45 model only)
Allows RS232 control of an individual projector.
Network (RJ45 model only)
Allows LAN via web browser (Internet Explore) to control of projector. See 
page 42 for more information.
User Controls 
						

							English
Setup | Language
Language
Choose  the  multilingual  OSD  menu.  Press ENTER (              )  into  the  sub 
menu and then use the Left ( ◄) or Right (►) key to select your preferred 
language. 
User Controls 
						

							English
Setup | Signal
Frequency
Change  the  display  data  frequency  to  match  the  frequency  of  your  com-
puter’s  graphic  card.  If  you  experience  a  vertical  flickering  bar,  use  this 
function to make an adjustment.
Phase
Phase synchronizes the signal timing of the display with the graphic card. 
If you experience an unstable or flickering image, use this function to cor -
rect it.
H. Position
4
 Press ◄ to move the image left.
4 Press ► to move the image right.
V. Position4
 Press ◄ to move the image down.
4 Press ► to move the image up.
User Controls 
						

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Setup | Security
Security Timer
Enter the Security Timer sub menu.
Enter the Months, Days, and hours that the projector can be used without 
entering  the  password.  Exiting  to  the  Setup  menu  activates  the  Security 
Timer.
Once  activated,  the  projector  requires  a  password  on  the  specified  dates 
and times to allow power on and access to the security menu. 
If  the  projector  is  in  use  and  the  Security  Timer  is  active,  the  following 
screen displays 60 seconds before the password is required. 
v No password is required to 
access Setup 
| Security 
unless the 
Security Timer 
or Security 
Setting are en-
abled.
User Controls 
						

							English
Setup | Security
Change Password
Use this submenu to change the security password for the projector. 
1.  Select  Change  Password  from  the  Security  submenu.  The  Confirm  Change Password dialog box displays.
2. Select Yes. 
3. Enter the default password     . A second password screen displays.
4. Enter the new password twice for verification. v If the incorrect  password is 
entered three 
times, the 
device auto 
shutdowns after 
10 seconds.
v If the new passwords 
do not match, 
the password 
screen redis-
plays.
User Controls 
						

							English
Setup | Security
Security Setting
Enable or disable the security password.
4  Enabled—the  current  password  is  required  to  power  on  the  projector  and access the Security menu.
4 Disabled—no password is required for any function.
When security is enabled, the following screen displays at startup and be-
fore access to the Security menu is allowed:
User Controls 
						

							English0
Setup | Audio
Volume
Press ◄ to decrease the volume of voice.  
Press ► to increase the volume of voice.
Mute
Toggle the audio on or off.
4 Off—the speaker volume is turned on.
4 On–the speaker volume is turned off. 
Audio Input
Enter  the  Audio  Input  menu.  Select  the  mini  Jack/RCA  for  audio  input 
source.
User Controls