Optoma H78dc3 Projector User Manual

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2
Installation
Power Button
Powering On the Projector
1.Remove the lens cap.n
2.Ensure that the power cord and signal cable are securely
connected.
3.Turn on the lamp by pressing the “Power” button on the side
of the projector. o
The  startup screen will display in approximately one minute.
4.Turn on your source (computer, notebook, video player etc),
the projector will  automatically detect your source.
™If the screen displays “No Signal,” make sure the signal cables are
securely connected....

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Installation
Powering Off the Projector
1.Press the “Power” button to turn off the projector  lamp.
2.After pressing the “Power” button, you will see the message
“Power off the lamp? Video Mute” displayed on the
projector’s screen. Press the “Power” button again to confirm,
otherwise the message will disappear after five seconds.
Please note that if the  
      
 key is pressed instead,  the projector
will enter the “Video Mute” mode and no image will be
displayed. To exit the “Video Mute”...

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Four Adjustable feet
Installation
The projector is equipped with four adjustable feet to modify
the height of the projector.
To raise or lower the projector :
1.Locate the adjustable foot you wish to modify on the under
side of the projector.
2.Rotate the adjustable foot counterclockwise to raise the
projector or clockwise to lower it. Repeat with the remain-
ing feet as needed.
3.Reset the projector on its feet and re-adjust as needed.
Adjusting the Projected Image
Adjusting the Projector’s...

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Remote Control Control Panel
User Controls
Control Panel & Remote Control
There are two ways for you to control the functions: with
control panel and remote control.
Using the Remote Control
Power
4“Power” turns on the projector’s lamp, refer to the “Powering
On/Off the Projector” section on page 11~ 12 for more details.
Hide
4“Hide” immediately turns the screen black. Press “Hide” a
second time to restore the display.
Brightness
4Adjust the brightness of the image.
Freeze
4Press “Freeze” to...

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User Controls
Contrast
4“Contrast” controls the degree of difference between the
lightest and darkest parts of the picture.
Hue
4“Hue” adjusts the color balance from red to green.
H.Keystone & V.Keystone
4Correct image distortion caused by rotating and tilting the
projector.
Re-Sync
4Automatically synchronizes the projector to the input source.
Zoom
4Press “Zoom” to display the zoom menu.
Press 
  or  button to zoom in or zoom out of an image.
Format
4Display the “Format” section of the...

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DVI
4Press “DVI” to select input from the DVI-I connector
RCA
4Press “RCA” to select input from the RCA component video
 connector.
Using the Control Panel
Power
4The power switch is located near the power socket on the side
of the projector. Use it to power on/off the projector. Please
refer to the “Powering  On/Off the Projector” section on pages
11~ 12.
Lens Shift
4Turn the Lens Shift dial clockwise to shift the projected
image in an up ward direction. Turn the Lens Shift dial counter...

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User Controls
How to Operate
4The projector has multilingual onscreen display menus that allow
you to make image adjustments and change a variety of settings.
The projector automatically detects the source.
4To launch the menu, press “Menu/Exit” on the Remote Control or
Control Panel.
4When the main menu is displayed, use         to select it.
While making a selection, press “Enter” to go into the sub-menu.
ŠTo exit the menu, press “Menu/Exit”.
4When a sub-menu is displayed, use      to...

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User Controls
Menu Tree
PICTURE...............
Mode
Contrast
Brightness
Color (Video only)
Hue (Video only)
Sharpness
Gamma
Reset
White Peaking
Color Temp
Image Mode
Advanced Adjustment
Signal
Reset
Language
Bulb
Source Lock
Auto Shutdown
Blanking
Eco Mode
Color Space
Projection
Format
Vertical Shift
H.Keystone
V.Keystone
Digital Zoom
IMAGE...................
SYSTEM.................
DISPLAY...............
Cinema/Normal/Vivid
Current/All
Film/Video/TV
R Contrast/G Contrast/B Contrast/R...

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PICTURE
Mode
There are three factory presets optimized for various types of
pictures: Cinema, Normal, and Vivid. You can customize contrast,
brightness, intensity, color, tint, sharpness, and gamma for each
preset mode.
Contrast
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 with an image.
4Press  to decrease the contrast.
4Press  to increase the contrast.
Brightness
Adjust the...

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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
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