780C Multi-Interface Interoperability Tester – User Guide Page 37
Focus Pattern
Application: To detect whether
scan velocity modulation is
enabled on display.
Multiburst Pattern
Application: To check a
display’s ability to produce
sharply defined stripes at equal
brightness up to full resolution.
Sharpness
Application: To align display
sharpness, picture, aperature
and scan velocity modulation
adjustments.
Decoder Check
Application: To check the color
decoder performance to
determine if the decoder over-
emphasizes red or green
colors.
Decoder Adjust Pattern
Application: To adjust a
display’s color decoder/matrix
circuit for most accurate color
reproduction.
Converge Pattern
Application: To color converge
a display throughout the entire
picture area.