Pattern charts
Chart nº 1
Complete chart, 4:3 format
Signals outside the circle
• Cross-hatch
18 vertical lines x 14 horizontal lines.
Background at 48 % of the white level
• Constellations on the edges in white and black
Colour signals from left to right:
• Vertical bar of R-Y not alternated (90°/90°) and B-Y = 0 (Anti-PAL)
• 2 vertical bars with R-Y signals (270° and 90°) and B-Y = 0
• 2 rectangles with the signal G-Y=0 (326° and 146°)
• 2 rectangles with the signal G-Y=0 (326° and 146°)
• 2 vertical bars with signals of B-Y (180° and 0°) and R-Y=0
• Vertical bar of B-Y alternated (0°/180°) y R-Y=0 (Anti-PAL)
Signals inside the circle
• Black rectangle over white background
Rectangle width 11.4 μs.
• Black to white transition and from white to black with a black vertical line on
the white side.
• Square signal of 250 kHz. White level amplitude is 75%
• Colour bars without white nor black (100/0/75/0)
• Mark of picture geometrical centre
• Multi-burst
0.8 / 1.8 / 2.8 / 3.8 / 4.8 MHz (B/G system)
0.8 / 1.8 / 2.8 / 3.8 / 4.8 / 5.63 MHz (D/K system)
1.5 / 2.5 / 3.5 / 4.0 / 4.5 / 5.25 MHz (I system)
0.8 / 1.8 / 2.8 / 1.8 / 0.8 MHz (SECAM)
0.5 / 1.0 / 2.0 / 3.0 / 4.0 MHz (M and N systems)
100% of the white level. Sinusoidal signals
• White and black staircase of 5 levels
• White to black transition and from black to white with one vertical white line
on the black side.
• Colour transition, yellow/red/yellow
Complete chart, 16:9 format
Signals outside the central circle
• Cross-hatch
24 vertical lines x 14 horizontal lines
Background at 48% of the white level
• Constellations on the edges in white and black
Page 4
Colour pattern generator GV-898+
06/2016