Zenith PRO1200X, Installation Manual

Page: 34 / 35

Gamma corrections
C-1
206-3610 ZENITH PRO 1200X 151199
B
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 ANALYZER ! THEREFORE, ONLY QUALIFIED
INSTALLATION OR SERVICE PERSONNEL SHOULD PERFORM
THESE ADJUSTMENTS ! "
If you are qualified, press the <ENTER> key to continue.
WARNING
RISK OF INCORRECT
ADJUSTMENT OF THE
PROJECTOR.
THE GAMMA CORRECTIONS ARE
FACTORY ADJUSTED USING AN
ACTAS COLOR ANALYZER !
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 the
<ENTER> key.
If the <EXIT> key is pressed, the projector will return to the Service
menu.
•
After the <ENTER> key is pressed, a text box with the 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 visualize
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 visualize the magnitude of the correction.
•
Press the <ENTER> key 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
50