Optoma H77 Projector User Manual

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Gamma
Gamma affects how dark scenery is displayed. With a greater
gamma value, dark scenery will appear brighter. Use 
   to
adjust gamma values.
Reset
Return the adjustments and settings to 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
Hue
Sharpness
Gamma
ResetCinema
50
50
50
50
50
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User Controls
IMAGE
White Peaking
Use the white peaking control to set the white peaking level of
the DMD chip.  “0” stands for minimal peaking, and “10” stands
for maximum peaking.  If you prefer a stronger image, adjust
toward the maximum setting.  For a smoother, more natural
image, adjust toward the minimum setting.
Color Temp
Adjust the color temperature.  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 three factory presets optimized for various types of
images:
4Film : For home theater
4Video : For video mode
4TV : For TV
Advanced Adjustment
Use  or  to select R (Red), G (Green), or B (Blue) for brightness
and contrast.
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 graphic card. When you experi-
ence a vertical flickering bar, use this function to make an
adjustment.
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.
™The “Signal” sub
menu is supported
under the Analog
RGB and Analog
YPbPr input
sources.
ImageWhite Peaking
Color Temp.
Image Mode
Advanced Adjustment
Signal
Reset10
1
Film     
						

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User Controls
Reset
Return the adjustments and settings to factory default values.
4Current: Return the current menu’s settings to factory
default values.
4All: Return all menu settings to factory default values.
IMAGE
ImageWhite Peaking
Color Temp.
Image Mode
Advanced Adjustment
Signal
Reset10
1
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User Controls
SYSTEM
Language
Display a multilingual menu. Use  and  to select your
preferred language.
Bulb
4
Lamp Hour: Display the cumulative lamp operating time.
4Lamp Reminding: Select this function to show or hide the
warning message when the lamp replacing reminder message
is displayed. The message will show up when the lamp reaches
1500 hours at normal mode.
4Lamp Hour Reset: Reset the lamp life hour after replacing a
new lamp.
Source Lock
When source lock is turned off, the projector will search for other
signals if the current input signal is lost. When source lock is turned
on, it willl continue to search for the “lost signal” after “Source “ is
pressed.
Auto Shutdown
Determine the time interval to shutdown the system if there is no
signal input. Select “On” in the Auto Shutdown menu to turn the
projector off automatically.
Blanking
Use this feature to display a black or blue screen when there is no
signal is available.
Eco Mode
This is also known as “Economy Mode.” Selecting “On” decreases
the fan noise from the projector as well as enhancing the black level
and reducing the brightness. You may find this is the best mode for
watching movies.
Color Space
Select an appropriate color matrix type from Auto, RGB or YUV
(YPbPr).
SystemLanguage
Bulb
Source Lock
Auto Shutdown
Blanking
Eco Mode
Color SpaceEnglish
On
On
Blue
Off
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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 can project from behind a translucent screen.
4  Front-Ceiling
When you select this function, the projector turns the image
upside down for ceiling-mounted projection.
4  Rear-Ceiling
When you select this function, the projector reverses and in-
verts the image at same time. Using this setting enables you
to project from behind a translucent screen with ceiling
mounted projection.
Vertical Shift
Adjust the lens offset by shifting the projected image position
vertically.
User Controls
DisplayProjection
Format
Vertical Shift
H. Keystone
V. Keystone
Digital zoomFront Desktop
16:9
0
0
0
10
Side View ANormal Range
B-100% Lens Shift
C+100% Lens Shift           
						

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User Controls
Format
4
Native: Original image size.
416:9: The standard widescreen display format of the projector.
4Letterbox: Letterbox mode zooms a letterboxed image intended
for 4:3 display to full screen wide.
4Window: When a 4:3 image is bigger than a 16:9 screen, select
the “Window” mode to fit the image onto the screen without
changing the projection distance.
H. Keystone
Correct image distortion caused by rotating the projector
horizontally.
V. Keystone
Correct image distortion caused by tilting the projector
vertically.
Digital Zoom
Provide different magnification ratios to zoom an image. Images
will be centered after zooming.
DISPLAY
Original Input The letterbox
Window Original Input
DisplayProjection
Format
Vertical Shift
H. Keystone
V. Keystone
Digital zoomFront Desktop
4:3
0
0
0
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Problem: No image appears on screen.
4Ensure that all the cables and power cord are correctly and
securely connected as described in the “Installation” section.
4Ensure that connector pins are not bent or broken.
4Make sure that the projection lamp has been securely installed.
Please refer to the “Replacing the lamp” section.
4Ensure that you have removed the lens cap and that the projector
is turned on.
4Ensure that the “Hide” feature is not enabled.
Problem: Partial, scrolling, or incorrectly displayed images.
4Press “Re-Sync” on the remote control or control panel.
4If 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 720.
For Windows 95, 98, 2000, XP:
1.Open the “My Computer” icon. Next, open the “Control Panel”
folder, and double click the “Display” icon.
2.Select the “Settings” tab.
3.(Above in “Windows 3.x). Click on the “Advanced Properties”
button. Verify that your display resolution setting is less than
or equal to 1280 x 720.
If the projector is still not projecting the image, you may need to
adjust your monitor display setting. To do this, please refer to the
following instructions.
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.
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4.Verify the resolution is less than or equal to 1280 x 720.
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 720.
4If 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 the equipment including the projector.
Problem: The screen of the Notebook or PowerBook computer
is not displaying your presentation.
4If 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 of
reactivating.  Refer to your computer’s documentation for
detailed information.
Problem: Image is unstable or flickering
4Use “Phase” to correct it. See page 22 for more information.
4Change the monitor color setting on your computer.
Problem: Image has a 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
ensure compatibility.
Problem: Image is out of focus
4Make sure the transparent lens cap is removed.
4Use   or  button to focus the image.
4Make sure the projection screen is between the required distance
3.3 to 32.8 feet (1.0 to 10.0 meters) from the projector.
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Problem: Image is reversed.
4Press “Menu”button then select “Display” to adjust the projection.
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 on until the lamp module has been replaced. To replace the
lamp, follow the procedures in the “Replacing the Lamp”section on
page 30.
Problem: LED lighting message
MessagePower LED Temp LED Lamp LED
(Blue)(Orange) (Red)
Standby State
Off Off Off
(Input power cord)
Power on On Off Off
Power offFlashing Off Off
Error (Lamp fail)Flashing Off On
Error (Thermal switch)Flashing On Off
Error (Thermal Pre-cooling) Off Flashing Off
Error (Fan lock fail)Flashing Flashing Off
Error (Over Temp.) Off On On
Error
Flashing 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 momentarily before shutdown
if system temperature is too high.
4“Fan Fail” will be shown mometarily before shutdown is fan is out
of order.
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Appendices
Replacing the Lamp
The projector displays 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 changing the lamp.
Warning:
Lamp compartment is
hot!  Allow it to cool
down before changing
lamp!
Lamp Replacing Procedure:
1.Turn off the power to the lamp by pressing the power button.
2.Allow the projector to cool down at least 30 minutes.
3.Turn off the main power switch.
4. Disconnect the power cord.
5.Use screwdriver to remove the screw on the side of projector
 as indicated above. n
6.Remove the cover. o
7.Unscrew 3 screws from the lamp module. p
8.Pull out the lamp module. q
To replace the lamp module, reverse the above mentioned 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.
2
3 1
4