NEC PG-6200 User Manual page 73

When D(Down) is selected
PINCUSHION
When U(Up) is selected
When D(Down) is selected
LINEAR-BALANCE
Adjust the selected part.
When R(Right) is selected
When L(Left) is selected
When L(Left) is selected
When R(Right) is selected
When L(Left) is selected
When U(Up) is selected
When D(Down) is selected
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ADJUSTMENT