Optoma H57 Projector User Manual

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Image-I
Display Mode
There are five factory presets optimized for various types of
pictures: Cinema, Normal, Vivid ,Dynamic and User. You can
customize contrast, brightness, color, tint, sharpness, and gamma
for each preset mode.
Contrast
The contrast controls the degree of difference between the lightest
and darkest parts of the picture. Adjusting the contrast changes
the amount of black and white in the image.
4Press the  to decrease the contrast.
4Press the  to increase the...

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User Controls
Image-I
Image - IImage - II Image - III LanguageManagement PIP
Display mode
Contrast
Brightness
Colour
Tint
Sharpness
Gamma
Computer / Video Mode
Cinema      NormalVividDynamicUser
Sharpness
Adjusts the sharpness of the image.
4Press the  to decrease the sharpness.
4Press the  to increase the sharpness.
Gamma
Gamma affects how dark scenery is displayed. With a greater
gamma value, dark scenery will look brighter. Use 
   to adjust
gamma values.
™“Sharpness”
function is...

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Image-II
User Controls
RGB
Colour temp.
DLP gamma
DLP white peaking
Reset
Computer / Video Mode
Image - IImage - II Image - III LanguageManagement PIP
Press OK  to adjust
 Mid
Press OK  to reset
RGB
Press OK to adjust the R (Red), G (Green), or B (Blue) for bright-
ness and contrast.
Color Temp.
The color temp control adjusts the color temperature of the
image.  At a higher temperature, the screen looks colder; at a
lower temperature, the screen looks warmer.
DLP Gamma
Gamma affects...

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Display Format
Use this function to choose your desired aspect ratio.
4Windows : The input source will be compacted in the
center with scaling.
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.
4Letterbox: Letterbox mode zooms a letterboxed image
intended for 4:3 display to full screen wide.
Frequency
“Frequency”changes the display data frequency to match the
frequency of your computer’s...

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User Controls
Position
Adjust the image position. Press OK to adjust
4Vertical Position
Press the 
 or  to move the image down or up.
4Horizontal Position
Press the 
 or  to move the image left or right.
Keystone (Keystone Correction)
Adjust image distortion caused by tilting projector. (±16 degrees)
Press OK to adjust
4Vertical keystone: Press the  or  to adjust image distortion
vertically and makes a squarer image.
4Horizontal keystone: Press the  or  to adjust image
distortion...

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User Controls
Menu Location
Choose the menu location on the display screen.
Projection
4
Front-Desktop
The factory default setting.
4Rear-Desktop
When you select this function, the projector reverses the image
so you can project behind a translucent screen.
4Front-Ceiling
When you select this function, the projector turns the image
upside down for ceiling-mounted projection.
4Rear-Ceiling
When you select this function, the projector reverses and turns
the image upside down at same...

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Management
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 start-up screen. See “Replacing the
Lamp” for more details.
4Lamp Hours: Display the cumulative lamp operating time.
4Lamp Reset: Reset the lamp life hour after replacing a
new lamp.
4Brite Mode: Choose “On” to increase the brightness and re
duce the contrast ratio. Choose ”Off” to...

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PIP
Choose “On” to select on the PIP screen.
Position
Choose the PIP screen position on the display screen.
Source Change
Choose the input source of the projector on the PIP screen.
Swap
Choose “Yes” to swap main screen and PIP screen each other.
PIP
User Controls
PIP
Position
Source change
Swap
Computer/Video Mode
On Off
Yes N o
Yes N o Image - I Image - II Image - III
LanguageManagementPIP   

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Appendices
Problem: No image appears on screen.
4Ensure all the cables and power connections are correctly and
securely connected as described in the “Installation” section.
4Ensure the pins of connectors are not crooked or broken.
4Check if the projection lamp has been securely installed. Please
refer to the “Replacing the lamp” section.
4Make sure you have removed the lens cap and the projector is
switched on.
4Ensure that the “Hide” feature is not enabled.
Problem: Partial,...

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4.Follow the above steps 1-2. Click on the “Advanced Properties”
button.
5.Select the “Change” button under the “Monitor” tab.
6.Click on “Show all devices”. Then select “Standard monitor
types” under the “Manufacturers” 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 1024 x 768.
4If you are using a Notebook PC:
1.You are required to implement the above steps of resolution
setting...