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.
™If you connect multiple sources at the same time, use the “Source”
button on the remote control or control panel to select your desired
source.
Powering On/Off the Projector
™Turn on the
projector first and
the signal sources
next.
 1
Lens Cap       
						

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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” mode, press the “Power”
button again.
3.The “Power” LED indicator will flash for about 120 seconds
while the lamp cools. After the “Power” indicator stops
flashing, you may then turn off the main power switch on the
side of the projector. If you want to turn on the projector, you
must press “Power” within 90 seconds of when the “Power”
 indicator begins to light on.
4.Do not restart the projector immediately following a power
off procedure.
™If the “TEMP” indicator flashes orange for approximately
ten seconds, the projector will display “Fan Fail. ”  Please contact
your local reseller or service center.
™If the “TEMP” indicator illuminates orange, the projector has
overheated. The projector will display “Over Temperature.” The
projector will then automatically shut down. After cool down, under
normal conditional, user can press the “Power” button to turn on
the unit again.  However, if the problem persists, you should contact
your local reseller or service center.
™If the “LAMP” indicator illuminates red, the lamp may of  failed.
Please contact your local reseller or service center. 
						

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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  Height   
						

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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 pause the screen image.     
						

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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 onscreen display menu
to select the desired aspect ratio.
Menu/Exit
4Display or exits the onscreen display menu.
Optics Zoom In/Optics Zoom Out
4Press   or  button to zoom the lens in or zoom out.
Optics Focus Right/Optics Focus Left
4Press   or  button to focus the image.
Four Directional Select Keys
4Press “Menu/Exit” then use         to select items
or make adjustments to your selection.
Enter
4Confirm your item selection.
S-Video
4Press “S-Video” to choose S-Video source.
Composite
4Press “Composite” to choose video source.
BNC
4Press “BNC” to choose Analog RGB or YPbPr video
from the BNC input. 
						

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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
clockwise to shift the projected image in a down ward
direction.
Optics Zoom In/Optics Zoom Out
4Press   or  button to zoom the lens in or zoom out.
Optics Focus Right/Optics Focus Left
4Press   or  button to focus the image.
Four Directional Select Keys
4Press “Menu/Exit” then use         to select items
or make adjustments to your selection.
Re-Sync
4Automatically synchronizes the projector to the input source.
Source
4Press “Source” to choose RGB, DVI-Digital, DVI-Analog,
S-Video, Composite, Component, and HDTV sources.
Menu/Exit
4Display or exit the the onscreen display menus.
Enter
4Confirm your selection.
User Controls 
						

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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 select the desired
item and adjust the settings with 
   .
ŠTo exit the sub-menu, press “Menu/Exit.”
4After using      to make selections to the sub-menu, press
“Enter” to confirm your changes and return to the main menu.
ŠPress “Menu/Exit” to return to the main menu.  If you don’t
press “Enter” to confirm your changes and exit the menu, the
items will not to be modified.
Onscreen Display Menus
Main menuSub-menu
Item
PICTUREMode
CinémaNormalVivant Mode
Contrast
Brightness
Color
Hue
Sharpness
Gamma
ResetCinéma
50
50
50
50
50
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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
Brightness/G Brightness/
B Brightness
Horizontal/Vertical/Frequency/
Phase
Current/All
Lamp Hour/Lamp Reminding/Lamp
Hour Reset
On/Off
On/Off
Blue/Black
1/2/3
English/French/Japanese/Spanish/
Chinese Simplified/Chinese
Traditional/Italian/Portugese/
Germany/Korean
Front Desktop/Front Ceiling/Rear
Desktop/Rear Ceiling
On/Off
Native/Window/16:9/Letter Box
-50~+50
+1~32
Auto/RGB/YUV 
						

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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 brightness of the image.
4Press  to darken an image.
4Press  to lighten an image.
Color
Adjust a video image from black and white to fully saturated
color.
4Press  to decrease the amount of color in an image.
4Press  to increase the amount of color in an image.
Hue
 Adjust the color balance of red and green.
4Press  to increase the amount of green in an image.
4Press  to increase the amount of red in an image.
Sharpness
Adjust the sharpness of an image.
4Press  to decrease the sharpness.
4Press  to increase the sharpness.
User Controls
™The “Color” sub
menu is not
supported under
the digital RGB
input source.
™The “Hue” sub
menu is not
supported under
the digital RGB,
component video
or analog RGB
input sources.
PictureMode
Contrast
Brightness
Color
Hue
Sharpness
Gamma
ResetCinema
50
50
50
50
50
1     
						

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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
1