Optoma Ex542 Projector User Manual

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User Controls

DISPLAY
 Format
Use this function to choose your desired aspect ratio.
   4:3: This format is for 4×3 input sources.
  6:9-I: This format is for 6×9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (576i/p)
  6:9-II: This format is for 6×9 input sources, like HDTV and 
DVD enhanced for Wide screen TV. (480i/p)
  Native: This format displays the original image without any 
scaling.
  AUTO: Automatically selects the appropriate display...

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User Controls

Native format
16:9-I   formator
or16:9-II  format
4:3     format

Input Signal
Display area
Picture area
Display on Screen 

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 User Controls

  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. 
  H Image Shift
Shift the projected image position horizontally.  
  V Image Shift
Shift the projected image position vertically.  
 V Keystone
Press the  or  to adjust image distortion vertically. If the image 
looks...

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User Controls

  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 fi nalize the selection. 
SETUP | Language 

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User Controls

SETUP
 Projection
    Front-Desktop
This is the default selection. The image is projected straight on 
the screen.
    Rear-Desktop
When selected, the image will appear reversed.
    Front-Ceiling 
When selected, the image will turn upside down.
    Rear-Ceiling 
When selected, the image will appear reversed in upside down 
position.
	Rear-Desktop and Rear-Ceiling are to be used with a translucent screen. 

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User Controls

SETUP
  Menu Location
Choose the menu location on the display screen.
  Projector ID
ID defi nition can be set up by menu (range 0~99), and allow 
user control an individual projector by RS232. Refer to page 58 
for the complete list of RS232 commands.
  Mute
 Choose the “On” to turn mute on. 
 Choose the “Off” to turn mute off. 
  Volume
  Press the  to decrease the volume.
  Press the  to increase the volume.
  Audio Input
The default audio settings are on the back panel...

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 User Controls

SETUP | Signal
  Phase
Synchronize the signal timing of the display with the graphic card. 
If the image appears to be unstable or fl ickers, use this function to 
correct it.
  Frequency
Change the display data frequency to match the frequency of 
your computer’s graphic card. Use this function only if the image 
appears to fl icker vertically.
  H. Position
 Press the  to move the image left.
 Press the  to move the image right. 
  V. Position
 Press the  to move the...

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User Controls

SETUP | Security
 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. 

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User Controls

SETUP | Security
	Pass-code default 
value is “234” 
(first time).
 Change Password
 First time:
.  Press “
” to set the password.
2.  The password has to be 4 digits. 
3.  Use number button on the remote to enter your new 
password and then press “” key to confirm your 
password.
 Change Password:
.  Press “
” to input old password.
2.  Use number button to enter current password and then 
press “” to confirm. 
3.  Enter new password (4 digits in length)...

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User Controls

SETUP
  RS232
 RS232: Allow RS232 control of an individual projector.
(Default setting)
 Network: Allow projector control via web browser (Internet 
Explorer) using the network. 
  Wireless
Choose the “On” to turn on the Wireless.	“Wireless” is only functional with VGA connector 
 Warning: Wired VGA will not function and the projector maybe shut down if Wireless is turned on.