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Gamma corrections
C-1
5975198 RETRODATA 808s 210397
C
GAMMA CORRECTIONS
When entering the gamma corrections, a warning will be displayed :
"RISK OF INCORRECT ADJUSTMENT OF THE PROJECTOR.
THE GAMMA CORRECTIONS ARE FACTORY ADJUSTED USING
AN ACTAS COLOUR ANALYSER ! THEREFORE, ONLY QUALI-
FIED INSTALLATION OR SERVICE PERSONNEL SHOULD PER-
FORM THESE ADJUSTMENTS ! "
If you are qualified, press the ENTER to continue.
WARNING
RISK OF INCORRECT
ADJUSTMENT OF THE
PROJECTOR.
THE GAMMA CORRECTIONS ARE
FACTORY ADJUSTED USING AN
ACTAS COLOUR ANALYSER !
THEREFORE, ONLY QUALIFIED
INSTALLATION OR SERVICE
PERSONNEL SHOULD PERFORM
THESE ADJUSTMENTS !
<ENTER> TO CONTINUE
<EXIT> TO RETURN.
Gamma Corrections
Three items can be selected inside the "Gamma Corrections" menu:
the Blue Gamma Correction, the R & B midlights and the factory
preset.
To carry out the Blue Gamma Correction :
- Push the control stick forward or backward to highlight the item
BLUE GAMMA CORRECTION in the menu and then press ENTER.
If EXIT is pressed, the projector will return to the Service menu.
- After ENTER is pressed, a text box with message "Adjust with arrow
key" will be displayed on the screen.
- Push the control stick forward or backward to adjust the slope, a text
box with a bar scale (Min to Max) will be displayed to visualise the
magnitude of the correction.
- Push the control stick to the left or to the right to adjust the
breakpoint, a text box with a numeric bar scale (0-99) will be
displayed to visualise the magnitude of the correction.
- Press ENTER to return to the "Gamma Corrections" menu.
GAMMA CORRECTIONS
BLUE GAMMA CORRECTION
Adjust slope with or
Breakpoint with or
R & B MIDLIGHTS
Adjust red with or
blue with or
FACTORY PRESET
Select with or
then <ENTER>;
<EXIT> to return.
Adjust with arrow key
Min Max
BLUE GAMMA
SLOPE
BLUE GAMMA
BREAKPOINT
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