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8. Final Adjustment and Configuration
OverView D 50" – DOC-3303-5 – installation manual – Revision 10 – September 2006
September 2006
September 2006
September 2006 ________________________________
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It is recommended to set the White Peaking value first and then adjust the gamma
accordingly!
A subsequent change of the White Peaking value will influence the gamma response.
The following diagrams show the gamma curves for the gamma values 1 and 2.3 for an operation without white
segment and without spoke light recapture (White Peaking =0) and for an operation with full white segment and
full spoke light recapture (White Peaking = 1). These diagrams clearly show the influence of the
White Peaking
value on the gamma curve.
0
20
40
60
80
100
0
32
64
96
128
160
192
224
White Peaking = 0
RGB Input Value
R
e
la
tive B
ri
ght
ne
ss in
[
%
]
γ
= 1.0
γ
= 2.3
Figure 8-21
gamma curves, no White Peaking
0
20
40
60
80
100
0.0
32.0
64.0
96.0
128.0 160.0 192.0 224.0
γ
= 1.0
γ
= 2.3
White Peaking = 10
RGB Input Value
R
ela
tive
Br
ig
ht
ne
ss i
n
[%
]
Figure 8-22
gamma curves, full white peaking
Since the effective gamma values are enlarged due to White Peaking, the default setting
for OverView D is 2.0
Please note that this effect only applies for white and gray (R=G=B). The primary colors
and secondary colors are not affected, for those the set gamma value is exactly the
effective gamma value.
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