Optoma Tx783 Projector User Manual

English
41
English
41
User Controls
 Lens Shift
Shift the projected image.
 Lock: This function can not be used by user.
 Unlock: This function can be used by user.
 Zoom/Focus
Adjust zoom/focus function on the projected image.
 Lock: This function can not be used by user.
 Unlock: This function can be used by user.
Setup |  
  Lens Function 

English
42
English
42
User Controls
 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...

English
43
English
43
User Controls
How to use web browser to control your projector
1.  Fill in a new IP, a subnet mask, a gateway and a DNS in the dialogue 
box.
2.  Then choose apply and press “Enter” button to activate the 
 
configuration 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. 

English
44
English
44
User Controls
For example: Use Microsoft Internet Explorer (IE) web browser to 
control the projector, the IP address is http: // 10.0.50.100.
Step 1:  Find an IP Address (10.0.50.100) from LAN function of projector.
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...

English
45
English
45
User Controls
Step 8:  Open your IE and type in the IP ad-
dress of 10.0.50.100 in the URL then 
press “Enter” key. The web page will 
display as below:
Step 9:  Open “Control Panel” to control your 
projector. 

English
46
English
46
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...

English
47
English
47
User Controls
 Direct Power On
  On: The projector will automatically power on when AC power 
is supplied, without pressing the “Power/Standby” key on the 
projector control panel or “Power” key on the remote control.
  Off: Turn on the projector to normal mode.
 Signal Power On
  On: The projector will automatically power on when any signal 
is supplied, without turn on the power key on the input equip-
ment control panel or “Power” key on the remote control.
  Off: Turn on the...

English
48
English
48
User Controls
 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 by up to 130%. 
 Bright: Choose “Bright” to increase the brightness.
 Lamp Reset
Reset the lamp life hour after...

English
49
English
49
Appendices
Image Problems
 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 opened the lens door and the projector is 
switched on.
 Ensure that the “AV Mute” feature is not turned on....

English
50
English
50
Appendices
 6.  Select the “Change” button under the “Monitor” tab.
 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 (1600 x 1200) (*)
 If you are using a Notebook:
 1.  First, follow the steps above to adjust resolution of the comput-
er.
 2.  Press the toggle output settings. Example:...