Optoma Tx762 Projector User Manual

							
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User Controls

SETUP | Advanced
 Logo
Use this function to set the desired startup screen. If changes are 
made they will take effect the next time the projector is powered 
on.
 OPTOMA: The default startup screen.
 User: Use memorize picture from “Logo Capture” function.
 Logo Capture
Press “” to immediately capture an image of the picture 
currently displayed on screen.
 Closed Captioning
 Off: select “off” to turn off the closed captioning feature. 
 CC: CC language: American English.
 CC2: CC2 language (depending on the TV channel of the user):
Spanish, French, Portuguese, German, Danish. 
	“Closed Captioning”: on specific models  
						

							
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User Controls

SETUP | Network
 Network State
Display the network connection status.
 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 an external 
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 “” and then choose “Yes” to apply the selection.  
						

							
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 User Controls

.  Turn on DHCP to allow the DHCP server to automatically assign 
an IP, or manually enter the required network information.
2.  Then choose apply and press “” button to complete 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. 
 
When making a direct connection from your computer to the 
projector
Step : Find an IP Address (92.68.6.74) from LAN function of 
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.”
Step 5: Click Use	the	following	IP	
address, and type in as below:
1)	IP	address:	192.168.6.XXX	
2)	Subnet	mask:	255.255.0.0
3)	Default	gateway:192.168.6.254
Step 6: To open Internet Options, click 
IE web browser, click Internet Options, click the Connections	tab and click “LAN Settings...” 
 
Step 7: The Local	Area	Network	(LAN)	
Setting dialog box appears,	In 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 92.68.6.74 in the 
URL then press “Enter” key. The 
web page will display as below:
 
Step 9: Open “Control Panel” to control 
your projector. 
						

							
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User Controls

 Source Lock
 On: The projector will only search current input connection.
 Off: The projector will search for other signals if the current input signal is lost. 
  High Altitude
When “On” is selected, the fans will spin faster. This feature is 
useful in high altitude areas where the air is thin.
 Information Hide
 On: Choose “On” to hide the info message.
 Off: Choose “Off” to show the “searching” message.
 Keypad Lock
When the keypad lock function is “On”, the control panel will be 
locked however, the projector can be operated by the remote 
control. By selecting “Off”, you will be able to reuse the control 
panel.
  Background Color
Use this feature to display a “Black”, “Red”, “Blue”, \
“Green” or 
“White”, screen when no signal is available.
 Reset
Choose “Yes” to return the display parameters on all menus to the 
factory default settings.
OPTIONS
	To turn off the keypad lock, press and hold “Enter” key on top of the projector for 5 seconds. 
						

							
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User Controls

OPTIONS | 
Advanced
 Direct Power On
Choose “On” to activate Direct Power mode. The projector will 
automatically power on when AC power is supplied, without 
pressing the “” key on the projector control panel or on the 
remote control.
 Auto Power Off (min)
Sets the countdown timer interval. The countdown timer will start, 
when there is no signal being sent to the projector. The projector 
will automatically power off when the countdown has finished (in 
minutes).
 
 Sleep Timer (min)
Sets the countdown timer interval. The countdown timer will start, 
with or without a signal being sent to the projector. The projector 
will automatically power off when the countdown has finished (in 
minutes).
 
 Power Mode (Standby)
 Eco.: Choose “Eco. ” to save power dissipation further < W.
 Active: Choose “Active” to return to normal standby and the 
VGA out port will be enabled. 
 
	This disables VGA out and RJ-45 control when the projector is in Power Mode (Standby) as Eco.. 
  
						

							
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User Controls

OPTIONS | 
Lamp Settings
 Lamp Hours
Display the projection time.
 Lamp Reminder
Choose this function to show or to hide the warning message 
when the changing lamp message is displayed.  
The message will appear 30 hours before suggested replacement 
of lamp.
 Brightness Mode
 STD: Choose “STD” to dim the projector lamp which will lower 
power consumption and extend the lamp life. 
 BRIGHT: Choose “BRIGHT” to increase the brightness. 
 Lamp Reset
Reset the lamp hour counter after replacing the lamp.
	When ambient temperature is over 35°C in operating, the projector will switch to STD automatically.
  
						

							
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Appendices

 No image appears on-screen
 Ensure all the cables and power connections are correctly and 
securely connected as described in the “Installation” section.
 Ensure all the pins of connectors are not bent or broken.
 Check if the projection lamp has been securely installed. Please 
refer to the “Replacing the lamp” section.
 Make sure you have removed the lens cap and the projector is 
switched on.
 Ensure that the “AV mute” feature is not turned on.
 Partial, scrolling or incorrectly displayed image
 Press “Re-SYNC” on the remote.
 If you are using a PC:
 For Windows 95, 98, 2000, XP:
.  Open the “My Computer” icon, the “Control Panel” folder, and 
then double click on the “Display” icon.
2.  Select the “Settings” tab.
3.  Verify that your display resolution setting is lower than or equal 
to UXGA (600 × 200).
4.  Click on the “Advanced Properties” button.
If the projector is still not projecting the whole image, you will also \
need to change the monitor display you are using. Refer to the 
following steps.
5.  Verify the resolution setting is lower than or equal to UXGA 
(600 × 200).
  6.  Select the “Change” button under the “Monitor” tab.
Troubleshooting
	If	you	experience	a	problem	with	your	projector,	
please	refer	to	the	following	information.	If	a	
problem	persists,	please	contact	your	local	
	
reseller	or	service	center.	 
						

							
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Appendices

 7.  Click on “Show all devices”. Next, select “Standard monitor 
types” under the SP box; choose the resolution mode you need 
under the “Models” box. 
  8.  Verify that the resolution setting of the monitor display is lower 
than or equal to UXGA (600 × 200). 
 If you are using a Notebook:
 .  First, follow the steps above to adjust resolution of the 
 
computer.
  2.  Press the appropriate keys listed below for your notebook 
manufacturer to send signal out from notebook to projector. 
Example: [Fn]+[F4]
   
 
 If you experience difficulty changing resolutions or your monitor 
freezes, restart all equipment including the projector.
 The screen of the Notebook or PowerBook computer is not 
displaying your presentation
 If you are using a Notebook PC
Some Notebook PCs may deactivate their own screens when a 
second display device is in use. Each has a different way to be  
reactivated. Refer to your computer’s manual for detailed  
information.
 Image is unstable or flickering
 Use “Phase” to correct it. See page 37 for more information.
 Change the monitor color setting on your computer.
 Image has vertical flickering bar
 Use “Frequency” to make an adjustment. See page 37 for more 
information.
 Check and reconfigure the display mode of your graphic card to 
make it compatible with the projector. 
Acer    
[Fn]+[F5]
Asus   [Fn]+[F8]
Dell    [Fn]+[F8]
Gateway  [Fn]+[F4]
Mac Apple: System Preference  Display  Arrangement  Mirror display
IBM/Lenovo   [Fn]+[F7]
HP/Compaq   [Fn]+[F4]
NEC     [Fn]+[F3]
Toshiba     [Fn]+[F5] 
						

							
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Appendices

 Image is out of focus
 Make sure the lens cap is removed.
 Adjust the Focus Ring on the projector lens. 
 Make sure the projection screen is between the required distance. 
See page 7.
  The image is stretched when displaying 6:9 DVD title
 
When you play anamorphic DVD or 6:9 DVD, the projector will 
show the best image when the projector display mode is set to 
6:9 in the OSD.
 If you play 4:3 format DVD titles, please change the format to 4:3 
in the projector OSD.
 If the image is still stretched, you will also need to adjust the 
aspect ratio by referring to the following:
 Please setup the display format as 6:9 (wide) aspect ratio type 
on your DVD player.
 Image is too small or too large
  Adjust the Zoom Ring on the top of the projector.
 Move the projector closer to or further from the screen.
 Press “Menu” button on the remote control or projector panel, go 
to “Display  Format” and try the different settings.
 Image has slanted sides
 If possible, reposition the projector so that it is horizontally 
centered on the screen and below the bottom of the screen.
 Press “Keystone +/-” button on the remote control or press  
“ / ” on the projector panel, until the sides are vertical.
 Image is reversed
 Select “SETUP  Projection” from the OSD and adjust the  
projection direction.
	Use of Keystone is not recommended.