Acer 7299sl Service Manual page 30

Fig.3 Barreling Measurements
A
∆x1
G
[AC+EG]/2, [AG+CE]/2 represented as display area width and
height
Top/Bottom Pincushion = ∆y1 or ∆y2
Side Pincushion = ∆x1 or ∆x2
Linearity (TCO99) = ∆x1/x or ∆y1/y
1-24
∆ y1
y
x
∆ y2
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C
∆ x2
E
7299sl Service Guide