Optoma Projector Ex525st User Manual

							
3English

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.
  Menu Location
Choose the menu location on the display screen. 
						

							
32English

User Controls

Setup
  Projector ID
Allow the RS232 control of an individual projector. 
Range 00-99. 
  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.
Setup
  RS232
 RS232: Allow RS232 control of an individual projector.
(Default setting)
 Network: Allow projector control via web browser 
(Internet Explorer) using the network. 
						

							
33English

User Controls

Setup | Security
 Security Settings
 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.   
						

							
34English

User Controls

Setup | Security
■ 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 “Enter”	key	to	confirm	your	selection.
  Change Password
1.  Press “Enter” to input old password.
2.  Use number button to enter current password, and then 
press “Enter” key again to reveal next OSD menu.
3.  Scroll down to highlight Password, and then press 
“Enter” to activate.
4.  Enter new password (4 digits in length) using the 
number buttons on the remote, then press “Enter” to 
confirm.
5.  Enter new password again and press “Enter” to confirm. 
						

							
35English

 User Controls

Setup | Signal
  Phase
Synchronize the signal timing of the display with the graphic card. 
If you experience an unstable or fl  ickering 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 fl  ickering 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. 
						

							
36English

User Controls

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.
 Neutral: No logo is displayed. 
						

							
37English

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
Choose “Yes” to apply the selection.  
						

							
38English

User Controls

1.  Fill in a new IP, a subnet mask, a gateway and a DNS in the 
dialogue box.
2.  Then choose apply and press “” button 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: // 
192.168.0.100.
Step 1: Find an IP Address (192.168.0.100) from LAN function of 
projector.projector.
Step  2:  Select  apply  and  press “Enter” button  to  submit  function 
or press “menu” key to exit.
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. 
						

							
39English

 User Controls

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:	192.168.0.100	
2)	Subnet	mask:	255.255.255.0
3)	Default	gateway:	192.168.0.1
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 
a d d r e s s   o f   1 9 2 . 1 6 8 . 0 . 1 0 0   i n   t h e 
URL  then  press “Enter”  key.  The 
web page will display as below:
Step  9:  Open “Control  Panel”  to  control 
your projector. 
						

							
40English

User Controls

 Source Lock
 On: The projector will search specified connection port.
 Off: The projector will search for other signals if the current input signal is lost. 
  High Altitude
Choose “On” to turn on High Altitude mode. Operates the fans at 
full speed continuously to allow for proper high altitude cooling of 
the projector.
 Information Hide
 On: Choose “On” to hide the searching message.
 Off: Choose “Off” to show the searching message.
 Keypad Lock
When the keypad lock function is on, the control panel will be 
locked, but the projector can still be operated by the remote 
control. If canceling this function, use the remote control or press 
the “Enter” key on the control panel for 10 seconds to turn it off.
  Background Color
Use this feature to display a “Blue” or “Black”, screen when no 
signal is available.
 Reset
Choose “Yes” to return the display parameters on all menus to the 
factory default settings.
Options