Barco OVERVIEW D 50" Installation Manual page 79

8.5.3.1 The RGB test pattern
By means of the RGB test pattern menue, any desired colorc can be applied.
Selecting Service|Internal Patterns|RGB displays the following dialog box:
On this dialog box, the values for red, green, blue can be entered by means of the arrow buttons.
Arrows pointing to the left decrease a value, arrows pointing to the right increase a value.
Clicking on a single arrow increases (
Clicking on the double arrows increases (
Clicking on the right most / left most arrow sets the value to the maximum (1023) or minimum (0).
Using the All button will manipulate all individual RGB settings to be equally increased or decreased,
respectively.
Besides the dialog box to enter the RGB values, a square frame is displayed to indicate the center of the screen.
Both, the RGB value dialog box and the square frame can be switched on/off by pressing
the text button on the IR Remote-Control Unit.
8.5.3.2 Understanding the color values
•
Since the ASIC allows 10 bit input per color, on this dialog box the values are in the range from 0 to 1023.
The relationship to 8-bit input DVI RGB-Data is given by:
( )
R , G , B
intern
for example
( )
511 , 439 , 1019
intern
•
ASIC: application specific integrated circuit
OverView D 50" – DOC-3303-5 – installation manual – Revision 10 – September 2006
4
) /decreases(
4 4
) /decreases (
(
= ∗ − ∗ −
4 R , 1 4 G , 1
:
( )
=
128 , 110 , 255
extern
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3
) the value per 1.
3 3
) the values per 64.
)
∗ −
4 B 1
extern
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8. Final Adjustment and Configuration
dialog box to define the desired color
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Figure 8-15