Silicon Graphics Reality Center, Installation Manual

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Service Mode
11-10 R5976280 RC3300W 19072001
Gamma Corrections
Warning
The Gamma Corrections are factory adjusted using an ACTAS colour analyzer !
Therefore, only qualified installation or service personnel should perform these adjustments !
Start Up of the Gamma Corrections.
1. Push the cursor key é or ê to highlight 'Gamma Corrections' (menu 1)
A Safety Warning will be displayed (image 2).
If you are qualified, press ENTER to continue. If not qualified, press EXIT to return to the service mode menu.
Item is password protected.
How to adjust ?
Three items can be selected inside the "Gamma Corrections" menu: the Blue Gamma Correction, the R & B midlights and the factory
preset.
Blue Gamma Correction
1 Push the cursor keys é or ê to highlight the item BLUE GAMMA CORRECTION in the menu (menu 1).
2 Press ENTER .
If EXIT is pressed, the projector will return to the Service menu.
After ENTER is pressed, a text box with the message, "Adjust with arrow key", will be displayed on the screen.
3 Push the cursor keys é or ê to adjust the slope, a text box with a bar scale (Min to Max) will be displayed to visualize the magnitude
of the correction (menu 2).
4 Push the cursor keys è or ç to adjust the breakpoint, a text box with a numeric bar scale (0-99) will be displayed to visualize
the magnitude of the correction (menu 3).
5 Press ENTER to return to the "Gamma Corrections" menu.
SAFETY
NOTICE
RISK OF ELECTRICAL SHOCK
IF QUALIFIED, PRESS
<ENTER> TO CONTINUE, OR
IF NOT, <EXIT> TO RETURN.
THE GAMMA CORRECTIONS ARE
FACTORY ADJUSTED USING AN
ACTAS COLOR ANALYSER !
THEREFORE ONLY QUALIFIED
INSTALLION OR SERVICE
PERSONNEL SHOULD PERFORM
THESE ADJUSTMENTS !
menu 1 menu 2
Select with é or ê
then <ENTER>
<EXIT> to return.
SERVICE MODE
DYNAMIC ASTIGMATISM
G2 ADJUSTMENT
GAMMA CORRECTIONS
CRT RUN IN CYCLE
PROJECTOR WARM UP
CRT DRIVE MODE
BLOCK MODE: USER
MORE ...
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.
menu 1
Min Max
BLUE GAMMA
SLOPE
BLUE GAMMA
BREAKPOINT
50
menu 2 menu 3