Optoma Hd73 Projector User Manual

User Controls
English
31

 Language
  Choose the multilingual OSD menu. Press  or   into the sub  
  menu and 
then use the   or  key to select your preferred  
  language. Press “Select (Enter)” to fi  nalize the selection.
  
 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...

User Controls
32

    experience a vertical fl  ickering bar, use this function to make  
    an adjustment.
  Tracking : Synchronizes the signal timing of the display with  
    the graphics card. If you experience an unstable or fl  ickering  
    image, use this function to correct it.
  H. Position: Adjusts the horizontal position.
  V. Position: Adjusts the vertical position.  

User Controls
English
33

 Menu Location
  Choose the menu location on the display screen.
 Source Lock
 When this function is turned off, the projector will search for other 
signals if the current input signal is lost. When this function is 
turned on, it will search for a specifi  ed connection port.
 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.
 Auto Power Off (min)
 Sets the...

User Controls
34
 Lamp Hour
 Displays the cumulative lamp operating 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 
up 30 hours before suggested replacement of lamp. 
 Bright Mode
 Choose “On” to increase the brightness. Choose “Off” to return 
normal mode.
 Lamp Reset
 Reset the lamp life hour after replacing the lamp. 
Options | 
Lamp settings
User Controls  

Appendices
English
35
 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 the pins of connectors are not crooked 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.
 Partial, scrolling or incorrectly displayed image
 Press...

Appendices
36

 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 SXGA+ (1400 x 1050). (*)
  If you are using a Notebook:
  1.  First, follow the steps above to adjust resolution of the com-
puter.
  2.  Press the toggle output settings. example:...

Appendices
English
37

 Image is out of focus
 Make sure the Lens cap is removed.
  Adjusts the Focus Ring on the projector lens.  
  Make sure the projection screen is between the required dis-
tance 4.9 to 39.4 feet (1.5 to 12.0 meters) from the projector. See 
page 16.
 The image is stretched when displaying 16:9 DVD title
When you play anamorphic DVD or 16:9 DVD, the projector will 
show the best image in 16: 9 format on projector side.
If you play the LBX format DVD title, please change the...

Appendices
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  If possible, turn off the projector, then unplug the power cord and 
wait at least 20 seconds before reconnecting power.
 Lamp burns out or makes a popping sound
 When the lamp reaches its end of life, it will burn out and may 
make a loud popping sound.  If this happens, the projector will not 
turn on until the lamp module has been replaced. To replace the 
lamp, follow the procedures in the “Replacing the Lamp” section 
on page 40.
Projector Status Indication
 LED states
 Message...

Appendices
English
39

 Thermal Warning: 
 
   
 
 Replacing the lamp: 
 
   
 
 Remote Control Problems
 If the remote control does not work
  Check the operating angle for the remote control is approximately 
±22.5°.
 Make sure there are not any obstructions between the remote con-
trol and the projector. Move to within 6 m (20 ft) of the projector.
 Make sure batteries are inserted correctly.
 Make sure batteries are exhausted. If so, replace weak batteries in 
the remote control.     

Appendices
40

 Replacing the lamp
The projector automatically detects the lamp life.  When the 
lamp life is nearing the end of use, you will receive a warn-
ing message.
When you see this message, please contact your local reseller 
or service center to change the lamp as soon as possible. 
Make sure the projector has been cooled down for at least 30 
minutes before changing the lamp. 
Warning: Lamp compartment is hot!  Allow it to cool down before changing lamp!
Warning: To reduce the risk of...