Gefen GTB-HD-SIGGEN - Manual (Page 29)

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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