Optoma Ep782 Projector User Manual

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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 finalize the selection. 
Setup | Language 
						

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User Controls
Setup
  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 
behind a translucent screen with ceiling mounted projection. 
						

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User Controls
Setup
 Menu Location
Choose the menu location on the display screen.
 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.
  Projector ID
Allow the RS232 control of an individual projector. Range 01-99.
Setup 
						

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User Controls
Setup | Signal
  Phase
Synchronize 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
Change the display data frequency to match the frequency 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. Position
 
Press the  to move the image down.
 Press the  to move the image up. 
	 “Signal” menu is 
only supported in 
Analog VGA (RGB) 
signal. 
						

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User Controls
Setup
 RS232

 RS232: Allow RS232 control of an individual projector.
 Network: Allow projector control via web browser (Internet Ex -
plorer) using the network (Default setting).
  Wireless
Choose “On” to turn on the wireless mode.
	 “Wireless” is only 
functional with 
optional wireless 
module. 
						

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Setup | Advanced
  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 dis-
play screen. 
						

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User Controls
Setup | Network
 Network State
To display network information.
 DHCP
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.
 On: Assign an IP address to the projector from the DHCP 
server automatically.
 Off: Assign an IP address manually.
  IP Address
Select an IP address.
 Subnet Mask
Select subnet mask number.
 Gateway
Select the default gateway of the network connected to the 
projector.
  DNS
Select DNS number.
 Apply
Press “” to apply the selection.   
						

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1.  Fill  in  a  new  IP,  a  subnet  mask,  a  gateway  and  a  DNS  in  the 
dialogue box.
2.  Then  choose  apply  and  press  “”  botton  to  effectuate  the 
confi  guration process.
3.  Open  your  web  browser  and  type  in  from  the  OSD  LAN  screen  then the web page will display as below:
4.  Open “ Control Panel” to control your projector. 
 
For example:  Use  Microsoft  Internet  Explorer  (IE)  web  browser  to  control  the  projector  ,  the  IP  address  is  http:  // 
10.0.50.100.
Ste p  1:  Find  an  IP  Address  (10.0.50.100)  from  LAN  function  of 
projector.
projector.
How to use web browser to control your projector
	When you used 
the projector IP 
address, you 
will can not link 
to your service 
server. 
						

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 User Controls
Step 2: Select apply and press  “Enter”  button to submit function or press  “menu” key to 
exit.
Step  3:  To  open  Network  Connections,  click  Start
,  click  Control  Panel
,  click Network 
and  Internet  Connections ,  and  then  click Network  Connections
.  Click  the 
connection  you  want  to  confi  gure,  and  then,  under  Network  Tasks 
 
,  click 
Change settings of this connection .
Step  4:  On  the  General
  tab,  under  This  connection  uses  the  following  items
,  click 
Internet  Protocol  (TCP/IP) ,  and 
then click “ Properties.”
S t e p   5 :   C l i c k   U s e   t h e   f o l l o w i n g   I P 
address , and type in as below:
1) IP address: 10.0.50.XXX 
2) Subnet mask: 255.255.0.0
3) Default gateway: 10.0.50.254
Step  6:  To  open  Internet  Options,  click  I E   w e b   b r o w s e r ,   c l i c k   I n t e r n e t 
Options, click the  Connections tab
 
and click “ LAN Settings...” 
 
Step  7:  The  Local  Area  Network  (LAN) 
S e t t i n g   d i a l o g   b o x   a p p e a r s ,  
I n 
the  Proxy  Server  area
,  cancel  the  Use  a  proxy  server  for  your  LAN 
check box
., then click  “OK ” button 
twice.
Step  8:  Open  your  IE  and  type  in  the  IP  address  of  10.0.50.100  in  the  URL 
then  press  “Enter ”  key.  The  web 
page will display as below:
page will display as below:
Step  9:  Open  “Control  Panel ”  to  control 
your projector. 
						

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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
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.