Optoma H55 Projector User Manual

English
11
Elevator Button
Elevator Foot
Installation
The projector is equipped with an elevator foot for adjusting the projector
height.
To raise the projector:
1.Press the elevator button 
.
2.Raise the projector to the desired display angle , then release the button
to lock the elevator foot into position.
3.Use 
 to fine-tune tilt-adjustment.
To lower the projector:
1.Press the elevator button.
2.Lower down the projector, then release the button to lock the elevator
foot into position.
3.Use 
 to...

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12
Focus RingZoom Ring
Screen
(Diagonal)
Distance Screen
Size
Adjusting the Projector Zoom / Focus
You may adjust zoom ring to zoom in / out.  Rotate the zoom ring counter-
clockwise to zoom in and clockwise to zoom out.  To focus the image, rotate the
focus ring until the image is clear. The projector will focus at distances from 3.
7 feet to 40.7 feet (1.1m to 12.4m).
Installation
Adjusting Projection Image Size

This graph is for user’s reference only.
. x a M 8 2 8 9 3 2 1 7 9 1 6 4 2 5 0 3
....

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13
Remote Control Panel Control
User Controls
Panel Control & Remote Control
There are two ways for you to control the functions: Remote Control and
Panel Control.
Use the Remote Control
Backlit

When you press “Backlit” button, all buttons on remote controller will flash
fluorescent yellow.  Return to normal mode, press “Backlit” button again.
Power

Refer to the “Power On/Off the Projector” section on page 9~10.
Four Directional Select Keys

Use         to select items or make adjustments for...

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14
PC

Press “PC” to choose RGB, DVI-Digital, DVI-Analog sources.
HDTV

Press “HDTV” to choose Component and HDTV sources.
S-Video

Press “S-Video” to choose S-Video source.
Video

Press “Video” to choose Composite source.
Brightness

Adjusting the brightness of the image.
Contrast

The contrast controls the degree of difference between the lightest and darkest
parts of the picture.
Color Temp.

Adjust the color temperature. The range is from “Low” to “High”. The factory
default is “Mid”.  With...

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15
Use the Panel Control
Power / Standby

Refer to the “Power On/Off the Projector” section on page 9~10.
Source

Press “Source” to choose RGB, DVI-Digital, DVI-Analog, S-Video, Composite,
Component and HDTV sources.
Re-Sync

Automatically synchronizes the projector to the input source.
Zoom

When you press “Zoom” button, the zoom icon appears on the screen.  Press
 or  button to zoom in or zoom out of the image.
Four Directional Select Keys

Use         to select items or make adjustments for...

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16
How to operate

The Projector has multilingual On-Screen Display(OSD) menus that allow you
to make image adjustments and change a variety of settings. In computer
source, the OSD will be the “Computer OSD”. In video source, the OSD will be
the “ Video OSD”. The projector will detect the source automatically.

To open the OSD menu, press the “Menu” button on the Remote Control or
Panel Control.

When OSD is displayed, press     key to select main items.
E.g.:Image-I
  Image-II
  Audio
...

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Audio Image-IImage-II Language Management
Brightness
Contrast
Color Temp.Zoom
Keystone
Computer mode
Brightness
Adjusting the brightness of the image.

Press the       to darken image.

Press the       to lighten the image.
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.

Press the       to decrease the contrast.

Press the       to increase the contrast....

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18
Image-I (Video mode)
User Controls
Brightness
Adjusting the brightness of the image.

Press the       to darken the image.

Press the       to lighten the image.
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.

Press the       to decrease the contrast.

Press the       to increase the contrast.
Color
The color setting adjusts a video image from black and...

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Frequency
“Frequency” is for changing the display data frequency to match the frequency
of your computer’s graphic card. When you experience a vertical flickering bar,
use this function to make an adjustment.
Tracking
Choose “Tracking” item to synchronize the signal timing of the display with
that of the graphic card. When you experience an unstable or flickering image,
use this function to correct it.
16 : 9 / 4 : 3
     You can use this function to fit your desired aspect ratio type....

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Image-II (Video mode)
Keystone Correction
Adjust image distortion caused by tilting the projector. (±16 degrees)
16 : 9 / 4 : 3
     You can use this function to fit your desired aspect ratio type.
Color Temperature
Adjust the color temperature. The range is from “Low” to “High”. The factory
default is “Mid”.  With the higher temperature, the screen looks colder; with the
lower temperature, the screen looks warmer.
Reset
Choose “Yes” to return the display parameters back to factory default....