Gefen TOOLBOX - Grid; Gradient

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PATTERN SUMMARY

Grid

Pattern 32 - Pattern 33 (P32 - P33)

Grid and cross patch patterns are mainly used for detecting corner convergence (“pin

cushions”).

P32 GRID

P33 Cross Hatch

Press the [OPTION] button on Pattern 33 (P33) to toggle between the black/white

(Option LED indicator is OFF) and white/black (Option LED indicator is ON) cross

hatch patterns.

Gradient

Pattern 34 - Pattern 36 (P34 - P36)

Gradient patterns are used to detect linearity faults in the video ampliﬁ er. Non-

linearities will usually result in color level compression.

P34 GRAY-256-R

P35 GRAY-256-G

P36 GRAY-256-B