Optoma Projector Ep783s User Manual

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16 : 9 I   formator
or16 : 9 II  format
4 : 3     format
Input SignalDisplay on Screen
Display area
Picture area
window format 

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	“PC Mode” function is only supported under RGB source.
NoteNote
 Overscan
Overscan function removes the noise in a video image. Overscan the 
image to remove video encoding noise on the edge of video source.
 Zoom
  Press the  to reduce the size of an image.
  Press the  to magnify an image on the projection screen.
  V Image Shift
Shift the projected image position vertically(Digital). 
 H Image Shift
Shift the projected image position horizontally(Digital). 
 PC...

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 V Keystone
Press  the   or   to  adjust  image  distortion vertical  and  makes  a 
squarer image.
 H Keystone
Press  the   or   to  adjust  image  distortion  horizontal  and  makes  a 
squarer image.
 Height of Image
Press  the   or   to  fine-adjust  the  vertical  position  of  the  image  to 
fit the screen size better
Display | Keystone 

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 Language
Choose the multilingual OSD menu. Press  or  into the sub menu 
and then use the  or  key to select your preferred language. 
Press “Enter” to finalize the selection. 
Setup | Language 

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 Projection
    Front-Desktop
The factory default setting.
    Rear-Desktop
When you select this function, the projector reverses the  
image so you can project behind a translucent screen.
    Front-Ceiling 
When you select this function, the projector turns the image 
upside down for ceiling-mounted projection.
    Rear-Ceiling 
When you select this function, the projector reverses and turns 
the image upside down at same time. You can project from be-
hind a...

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 Volume
  Press the  to decrease the volume.
  Press the  to increase the volume.
  RS232
   RS232: Allows RS232 control of an individual projector.
   Network: Allows projector control via web browser (Internet 
Explorer) using the network. (Default setting)
 Projector ID
ID definition can be set up by menu (range 00~99), and allow user 
control an individual projector by RS232. For more related informa-
tion, please refer page 59-60. 

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 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 correct it.
 Frequency
“Frequency” changes the display data frequency to match the fre-
quency of your computer’s graphic card. If you experience a vertical 
flickering bar, use this function to make an adjustment.
 H. Position
 Press the  to move the image left.
 Press the  to move the image right. 
 V....

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 Security
  On: Choose “On” to use security verification when the turning 
on the projector.
  Off: Choose “Off” to be able to switch on the projector without 
password verification.
 Security Timer
Can be select the time (Month/Day/Hour) function to set the 
number of hours the projector can be used. Once this time has 
elapsed you will be requested to enter your password again.
Setup |  
 Security Setting 

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■ First Time:
1. The Password is 4 digits, DEFAULT VALUE is “1234”. ( first time)
2.  Use number buttons on the remote to select your password, and then press “
” key to confirm your selection.
 Change Password
1.  Press “” to input old password.
2. Use number button to enter current password, and then press “
” key again to reveal next OSD menu.
3. Scroll down to highlight Password, and then press “” to 
activate.
4. Enter new password (4 digits in length) using the...

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 Logo
Use this function to select your desired startup screen. If you change 
the setting from one to another, when you exit the OSD menu, the 
new setting will take effect on next open.
 Optoma: The default startup screen of Optoma projector.
 User: Use memorize picture from “Logo Capture” function.
 Logo Capture
Press “Enter” to immediately capture a picture what on the display 
screen.
Setup | Advanced