Optoma Hd72 Projector User Manual

							
User Controls
English
31

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

							
User Controls
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 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 specified 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 interval of power-off of the system, if there is no signal 
input. (In minutes)
 Reset
 Return the adjustments and settings to factory default values.
  Current : Returns the current menu’s settings to factory    
    default.
  All : Returns the settings for all menus to factory default   
  values.
Options  
						

							
User Controls
English
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 Lamp Hour
 Displays the cumulative lamp operating time.
 Lamp Reminding
 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  
						

							
Appendices
34

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 “Re-Sync” on the remote control or control panel.
  If you are using a PC:
 For Windows 95, 98, 2000, XP:
  1.  From the “My Computer” icon, open the “Control Panel”  
    folder, and double click the “Display” icon.
  2.  Select the “Settings” tab.
  3.  Verify that your display resolution setting is lower than or equal  
    to SXGA+ (1400 x 1050). (*)  
  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 SXGA+  
    (1400 x 1050) resolution.
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. (See 
page 42 for details)
(*) The resolution WXGA (1280 x 768) is recommand for com-puter signal.  
						

							
Appendices
English
35

 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    
    computer.
  2.  Press the toggle output settings. 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.
 Unstable or flickering image
 Use “Tracking” to correct it. See page 31 for more information.
 Change the monitor color setting on your computer.
 Image has vertical flickering bar
 Use “Phase” to make an adjustment. See page 31 for more    
information.
  Check and reconfigure the display mode of your graphic card to  
  make it compatible with the projector. 
Compaq=>   [Fn]+[F4]
Dell =>     [Fn]+[F8]
Gateway=>  [Fn]+[F4]
IBM=>    [Fn]+[F7]
Mac Apple: System Preference-->Display-->Arrangement-->Mirror display
Packard =>   [Fn]+[F4]Hewlett 
NEC=>     [Fn]+[F3]
Toshiba =>   [Fn]+[F5]
(*) The resolution: WXGA (1280 x 768) is recommended for this 
projector.  
						

							
Appendices
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 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    
  distance 4.9 to 39.4 feet (1.5 to 12.0 meters) from the projector.  
  See page 17.
 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 format as 
LBX in projector OSD.
If you play 4:3 format DVD title, please change the format as 4:3 in 
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 16:9 (wide) aspect ratio type  
  on your DVD player.
 Image is too small or too large
 Adjust the zoom lever on the top of the projector.
 Move the projector closer to or further from the screen.
 Press [4:3], [16:9], [Letter Box], [Native] button on the remote  
  control or [Projector menu] on the projector panel, go to    
  “Display-->Format“. Try the different settings.
 Image has slanted sides:
 If possible, reposition the projector so that it is centered on the  
  screen and below the bottom of the screen.
 Press [Keystone +/-] button until the sides are vertical on the  
  remote control.
 Image is reversed
  Select “Setup-->Projection” from the OSD and adjust the    
  projection direction.
Intermission Problems
 The projector stops responding to all controls
Use of Keystone is not recommended.  
						

							
Appendices
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37

  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 39.
LED Problems
 LED lighting message
 Message Reminders
 Fan failed: 
 
   
 
 Over temperature: 
 
MessageStandby/On LED
(Green)Temp-LEDLamp-LED
Standby State
 (Input power cord)Flashing
Power on (warming)
Lamp lighting
Power off (Cooling)
Error (Lamp fail)
Error (Fan fail)Flashing
Error (Over Temp.)Steady light => No light =>   
						

							
Appendices
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 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
English
39

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 personal injury, do not drop the lamp module or touch the lamp bulb. The bulb may shatter and cause injury if it is dropped.
 Lamp Replacing Procedure: 
  1.  Switch off the power to the projector by pressing the Power      button.
  2.  Allow the projector to cool down at least 30 minutes.
  3.  Disconnect the power cord.
  4.  Use a screwdriver to remove the screw from the cover.
 5.  Push up and remove the cover.
 6.  Remove the 2 screws from the lamp module.
  7.   Pull out the lamp module. 
  To replace the lamp module, reverse the previous steps.
 8.  Turn on the projector and do “Lamp Reset” after the lamp      module is replaced.
    Lamp Reset: (i)Press “Menu” -> (ii)Select “Options” ->        (iii)Select “Lamp settings” ->(iv)Select “Lamp reset ->    
    (v)Select “Yes”.
1
3
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Appendices
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Remark :  “*”com-pressed computer image.
Compatibility Modes
ModeResolutionV.Frequency (Hz) 
VESA VGA640 x 48060,72,75,85
VESA VGA848 x 48060,75,85
VESA VGA720 x 40070,85
VESA SVGA800 x 60056,60,72,75,85
VESA XGA1024 x 76850,60,70,75,85
VESA WXGA1280 x 76850,60,70,72,75,85
HD1280 x 72050,60,72
* HD1920 x 108050,60,72
* SXGA1280 x 102450,60,70,72,75,85
* SXGA+1400 x 105050,60,70,72,75
* MAC1152 x 87075.06
 MAC G4640 x 48060
i MAC DV1024 x 76875