Sharp DT 400 DT-400 Operation Manual - Page 43

Gamma Correction Function, Emphasising the Contrast

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Page 43 highlights

Gamma Correction Function Gamma is an image quality enhancement function. Four gamma settings are available to allow for differences in the brightness of the room. Menu operation Page 40 Example: "Picture" menu screen for INPUT 1 mode Emphasising the Contrast This function emphasises the bright portions of images to obtain a higher contrast image. Menu operation Page 40 Example: "Picture" menu screen for INPUT 1 mode Useful Features Description of Gamma Modes Selectable Items Description Standard Standard picture without gamma correction Cinema 1 Gives greater depth to darker portions of images. Cinema 2 Brightness is toned down and the image becomes more balanced. Cinema 3 Brighten the darker portions of images for easier viewing in a dimly lit room. "Gamma Adj." is fine adjusted by following the procedure below. 1 Select "Gamma Adj." in the "Pic- ture" menu on the menu screen and press . • A single menu bar of "Gamma Adj."is displayed. Description of Bright Boost settings Selectable Items Description (ON) For emphasising the bright portions of images (OFF) For disabling "Bright Boost" 2 Press ' or " to fine adjust the color temperature. • With the lower value selected, the projected image becomes less brightness. With the higher value selected, the projected image becomes more brightness. • Pressing \ or | changes the value of the Gamma in the sub menu. -43

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Useful Features
-43
Gamma Correction Function
Gamma is an image quality enhancement function.
Four gamma settings are available to allow for
differences in the brightness of the room.
Menu operation
Page 40
Example: “Picture” menu screen for
INPUT 1 mode
Description of Gamma Modes
“Gamma Adj.” is fine adjusted by following the
procedure below.
1
Select “Gamma Adj.” in the “Pic-
ture” menu on the menu screen and
press
.
•
A single menu bar of “Gamma Adj.” is displayed.
2
Press
'
or
"
to fine adjust the
color temperature.
•
With the lower value selected, the projected
image becomes less brightness. With the
higher value selected, the projected image
becomes more brightness.
•
Pressing
\
or
|
changes the value
of the
Gamma in the sub menu.
Selectable Items
Standard
Cinema 1
Cinema 2
Cinema 3
Description
Standard picture without gamma
correction
Gives greater depth to darker portions
of images.
Brightness is toned down and the
image becomes more balanced.
Brighten the darker portions of images
for easier viewing in a dimly lit room.
Emphasising the Contrast
This function emphasises the bright portions of
images to obtain a higher contrast image.
Menu operation
Page 40
Example: “Picture” menu screen for
INPUT 1 mode
Description of Bright Boost settings
Selectable Items
(ON)
(OFF)
Description
For emphasising the bright portions
of images
For disabling “Bright Boost”