Optoma H31 Projector User Manual

							
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Gamma
Gamma affects how dark scenery is displayed. With a greater
gamma value, dark scenery will look brighter. Use 
   to adjust
gamma values.
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.
PICTURE
User Controls
PICTUREMode
Contrast
Brightness
Color
Tint
Sharpness
Gamma
Reset Cinema
50
50
50
50
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User Controls
IMAGE
White Peaking
The white peaking control adjusts the white segment of the DMD
chip. “ 0” stands for minimal peaking, and “10” stands for m\
axi-
mum peaking.  If you prefer a stronger image, adjust toward the
maximum setting.  For a smoother, more natural image, adjust
towards the minimum setting.
Color Temp.
The color temp control adjusts the color temperature of the image.
The range is from “1” to “3”.  At a higher temperature, the \
screen
looks colder; at a lower temperature, the screen looks warmer.
Image Mode
There are four factory presets optimized for various types of images.
4Film : For home theater
4Video : For video mode
4Graphic : For graphics
4PC : For computers
Advanced Adjustment
Use  or  to select R (Red), G (Green), or B (Blue) for advanced
adjustment of brightness and contrast of the individual colors.
Signal
4
Horizontal: Adjusts the horizontal position.
4Vertical: Adjusts the vertical position.
4Frequency: Changes the display data frequency to match the
frequency of your computer’s graphics card. If you experience a
vertical flickering bar, use this function to correct the issue.
™ The “Signal” sub
menu is supported
under the Analog  RGB
and Analog YPbPr
input sources.
IMAGEWhite Peaking
Color Temp.
Image Mode
Advanced  Adjustment
Signal
Reset 10
1
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User Controls
4Phase : 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.
Reset
Return the adjustments and settings to factory default values.
4Current: Returns the current menu’s settings to factory default
values.
4All: Returns all menu settings to factory default values.
IMAGE
IMAGEWhite Peaking
Color Temp.
Image Mode
Advanced Adjustment
Signal
Reset 10
1
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User Controls
SYSTEM
Language
Displays a multilingual menu. Use  and  to select your
preferred language.
Bulb
4
Lamp Hours: Displays the cumulative lamp operating time.
4Lamp Reminding: Choose this function to show or hide the
warning message when the lamp replacement message is
displayed.  The message will show up when the lamp reaches
1500 hours.
4Lamp Hour Reset: Reset the lamp setting only when the new
lamp is replaced.
Source Lock
When turned off, the projector will search for other signals if the
current input signal is lost.  When turned on, it will continue to
search for the  “lost signal” after “Source” is pressed.
Auto Shutdown
Decide the time interval to shutdown the system if there is no signal
input. Select “On” to turn the projector off automatically.
Blanking
Use this feature to display a black or blue screen when no signal is
available.
Brite Mode
Choose “On” to increase light output.  Choose ”Off” to retur\
n
normal mode.
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.
SYSTEMLanguage
Bulb
Source Lock
Auto  Shutdown
Blanking
Brite Mode
High Altitude English
On
Off
Blue On
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DISPLAY
Projection
4
  Front-Desktop
The factory default setting.
4  Rear-Desktop
When you select this function, the projector reverses the image
so you may project from behind a translucent screen.
4  Front-Ceiling
When you select this function, the projector turns the image
upside down to accommodate ceiling-mounted projection.
4  Rear-Ceiling
When you select this function, the projector reverses and turns
the image upside down at same time. You can display an image
from behind a translucent screen with ceiling mounted
projection.
Format
Use this function to choose your desired aspect ratio.
44:3 : The input source will be scaled to fit the projection screen.
416:9 : The input source will be scaled to fit the width of the screen.
Keystone
Correct image distortion caused by tilting the projector vertically.
Zoom Mode
Provide different magnification ratios to zoom an image.  Images
will be centered after zooming.
Full Screen Mode
Intend to fill up full 16:9 screen for video with aspect ratio such
1.85:1, 1.66:1, 2.35:1 and Normal (Original image pixel).
User Controls
DISPLAYProjection
Format
Keystone
Zoom Mode
Full Screen Mode
4:3 Mode
1080i Mode
Lens Shift Preset
Edge Mask Front Desktop
4:30
0
Normal 1
1
1
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DISPLAY
DISPLAYProjection
Format
Keystone
Zoom Mode
Full Screen Mode
4:3 Mode
1080i Mode
Lens Shift Preset
Edge MaskFront Desktop
4:30
0
Normal
Mode 1
Mode 1 Off
On
User Controls
4:3 Mode
4
1 : Scale to 640 x 480 pixel.
42 : Scale to 854 x 480 pixel stretch horizontally.
43 : Scale to 854 x 638 pixel crop to 854 x 480.
1080i Mode
4
1 : Scale to 854 x 480 pixel.
42 : Scales 1080i signal to 960 x 540 and displays the
middle 854 x 480 pixels.
Lens Shift Preset
Shifts the projected image position vertically. 0 is middle of the
screen.  You can be stored to preset values by selecting either preset
memory 1 or 2 or OFF before adjusting image.
Edge Mask
Choose “On” to mask off a few pixels on each edge of the image to
be displayed.  Use Edge Mask “On” if image source happens to
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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 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.
Appendices 
						

							
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Appendices
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 “Phase” to correct it. See page 23 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 22 for more
information.
4Check and reconfigure the display mode of your graphics card to
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Problem: Image is out of focus
4Adjust the focus ring on the projectors lens.
4Make sure the projection screen is between the required distance
4.6 to 39.4 feet (1.4 to 12.0 meters) from the projector.
Problem: Image is reversed.
4Press “Menu”, then select “Display” 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 30.
Problem: LED lighting message
Message         Power LED
Temp LED Lamp LED
Green Orange
Standby State
Flashing Off Off Off
(Input power cord)
Lamp lighting On Off Off Off
Power on On Off Off Off
Power off Off On Off Off
Error (Lamp fail) Off Off Off On
Error (Thermal fail) Off On On Off
Error (Fan lock fail) Off On Flashing Off
Error (Over Temp.) Off On Flashing Off
Error Off On Off On
(Lamp Breakdown)
Problem: Message Reminders
4“Lamp may fail soon! Replacement suggested!” will be shown
about 10 seconds when lamp life is going to deplete.
4“Over temperature” will be shown when the system temperature
is over heat.
4“Fan fail ” will be shown when the fan is out of order.
Appendices 
						

							
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30
 1
2
3
4
Appendices
Replacing the Lamp
When the projector’s lamp usage reaches 1500 hours, it
displays the following 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 3 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.