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Gamma corrections
C-1
5975638 BARCOGRAPHICS 1209s 040598
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 COLOR ANALYSER ! THEREFORE, ONLY QUALIFIED
INSTALLATION OR SERVICE PERSONNEL SHOULD PERFORM
THESE ADJUSTMENTS ! "
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.
If you are qualified, press the <ENTER> key to continue.
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 :
1 Push the control disk up or down 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.
2 After ENTER is pressed, a text box with message "Adjust with
arrow key" will be displayed on the screen.
3 Push the control disk up or down to adjust the slope, a text box
with a bar scale (Min to Max) will be displayed to visualise the
magnitude of the correction.
4 Push the control disk 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.
5 Press ENTER to return to the "Gamma Corrections" menu.
GAMMA CORRECTIONS
BLUE GAMMA CORRECTION
Adjust slope with é or ê
Breakpoint with ç or è
R & B MIDLIGHTS
Adjust red with é or ê
blue with ç or è
FACTORY PRESET
Select with é or ê
then <ENTER>;
<EXIT> to return.
Adjust with arrow key
Min Max
BLUE GAMMA
SLOPE
BLUE GAMMA
BREAKPOINT
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