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...

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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...

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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...

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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....

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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...

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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