Optoma H27 Projector User Manual

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System
Reset
Return the adjustments and settings to the factory default values.
4Current: Returns the current menu’s settings to factory default
values.
4All: Returns the settings for all menus to factory default
values.
4Exit: Cancel the revised settings.
User Controls   
						

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Appendices
Problem: No image appears on screen.
4Ensure that all cables and power connections are correctly and
securely connected as described in the “Installation” section.
4Ensure that the pins of connectors are not crooked or broken.
4Check to see if the projection lamp has been securely installed.
Please refer to the “Replacing the Lamp” section for more
information.
4Make sure that you have removed the lens cap and that the
projector is powered on.
4Ensure that the “Hide” feature is not turned on.
Problem: Partial, scrolling or incorrectly displayed images
4Press “Re-Sync” on the Remote Control or press “Auto
Image” on the Control Panel.
4If you are using a PC:
For Windows 3.x:
1.In the Windows Program Manager, double click the “Windows
Setup” icon in the Main group.
2.Verify that your display resolution setting is less than  or equal
to 1280 x 1024.
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.Click on the “Advanced Properties” button.
If the projector is still not displaying the entire image, you may
need to change the monitor display that you are using. Refer to
 the following steps.
Troubleshooting
If you experience trouble with the projector, please refer
to the following information (listed below).  If the problem
persists, contact your local reseller or service center
immediately. 
						

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4.Verify the resolution setting is less than or equal to 1280 x 1024
resolution.
5.Select the “Change” button under the “Monitor” tab .
6.Click on “Show all devices.” Next, select “Standard monitor
types” under the SP box; choose the resolution mode you need
under the “Models” box.
7.Verify that the resolution setting of the monitor display is less
than or equal to 1280 x 1024.
4If you are using a Notebook PC:
1.First, follow the steps above to adjust resolution of the
computer.
2.Switch the Notebook PC display to the “external display only”
or “CRT only” mode.
4If you experience difficulty changing resolutions or your
monitor freezes, restart all equipment including the projector.
Problem: The screen of the Notebook or PowerBook com-
puter is not displaying a presentation.
4If 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 documentation for detailed
information.
Problem: Image is unstable or flickering
4Use “Tracking” to correct it. See page 24 for more information.
4Change the monitor color setting or the frequency on your
computer.
Problem: Image has vertical flickering bar
4Use “Frequency” to make an adjustment. See page 24 for more
information.
4Check and reconfigure the display mode of your graphics card to
ensure compatibility.
Appendices 
						

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Appendices
Problem: Image is out of focus
4Adjusts the Focus Ring on the projector lens.  Refer to page 14.
4Make sure the projection screen is between the required distance
4.9 to 40.7 feet (1.5 to 12.5 meters) from the projector.
Problem: Image is reversed.
4Press “Menu”, then select “Management” to adjust the projection
mode.
Problem: Lamp burns out or makes a popping sound
4When 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 back on until the lamp module has been replaced. To replace
the lamp, follow the procedures in “Replacing the Lamp” page 35.
Problem: LED lighting message
Message           Power LED         
Temp LED         Lamp LED
Green
Standby State
Flashing   (Input power cord)
Lamp lighting
  
Power on  
Power off (Cooling)  
Error (Lamp fail)   
Error (Thermal fail) 
Error (Fan fail)  Flashing  
Error (Over Temp.)   
Error
  (Lamp Breakdown)
Problem: Message Reminders
4“Lamp is approaching the end of its useful life in full power
operation. Replacement Suggested!” will be shown about 10
seconds, when lamp is nearing end of life.
4“Projector Overheated. Lamp will automatically turn off soon.”
will be shown when the system temperature is too high.
4“Fan fail. Lamp will automatically turn off soon.” will be shown
when the fan is out of order. 
						

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Replacing the Lamp
The projector will detect the lamp life itself.  It will show
you a warning message “Lamp may fail soon ! Replacement
Suggested !” When you see this message, please contact your
local reseller or service center.
Make sure the projector has cooled down for at least 30
minutes before replacing the lamp.
Warning: Lamp
compartment is hot!
Allow it to cool down
before replacing lamp!
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.n
5.Push up and remove the cover.o
6.Remove the 2 screws from the lamp module.p
7.Pull out the lamp module. q
To replace the lamp module, reverse the previous steps.
Warning: To
reduce the risk of
personal injury, avoid
dropping the lamp
module or touching
the lamp bulb. If
dropped, the bulb
may shatter and cause
injury.
Appendices
 1
2
3
4       
						

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Appendices
Ceiling Mount Installation
1. To prevent damaging your projector, please use the ceiling
mount package for installation.
2. If you wish to use a third party ceiling mount kit, please
ensure the screws used to attached a mount to the projector
met the following specifications:
4Screw type: M2.6
4Maximum screw length: 10mm
4Minimum screw length: 8mm™Please note that
damage resulting from
incorrect installation
will invalidate the
warranty.
55.00110.00
67.00123.48
74.17106.17
238.15
101.6669.67
82.14233.64
Max. / Min.
50.32
602.50 / 402.50   
						

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Throw Angle
LH
H(854X480)
A
B(854X480)
W(854X480)
W(640X480)
D(854X480)
Throw Ratio (TR) = 1.87 as Wide mode
A = 9.23°
B (854 x 480) = 24.86°
W (854 x 480) = L/TR
W (640 x 480) = W (854 x 480) x 0.75
H’ = L x tan (A)
H (854 x 480) = W (854 x 480) x 0.5625,
H (640 x 480) = W (640 x 480) x 0.75
Display Format A B L ( cm) W (cm) H (cm) H (cm) D (cm) D (in)
16:9 854 x 480
9.23 24. 86 244.00 130.48 73. 40 39. 64 149.70 58. 94
4:3 640 x 480
9.23 24.86 244.00 97.86 73.40 39.64 122.30 48.15
Appendices