Promax GV-998 Manuel D'utilisation page 60

• White to black and black to white transitions with one vertical white line on
the black side.
• Colour transition, yellow/red/yellow
Chart nº 2
FuBK chart
PAL system
Signals outside the central area
• Cross-hatch
19 vertical lines x 15 horizontal lines
Background at 25% of the white level
Signals inside the central area
From the top to the bottom
• Colour bars (100/0/75/0)
• White and black staircase of 4 levels
• Mark of picture geometrical centre
• White to black transition
• Multi-burst
1.0 / 2.0 / 3.0 MHz 100% of the white level
4.43 MHz (
• White area with a black triangle
• f
sawtooth
sub-carrier
±(R-Y) signal starting from the 75% of white amplitude to the black level
+(B-Y) signal starting from the 75% of white amplitude to the black level
• R-Y not alternated signal and B-Y alternated signal with 75% of the white
level (Anti-PAL).
SECAM system
• Colour bars (100/0/75/0)
NTSC system
• SMPTE mixture. SMPTE1, SMPTE2 and SMPTE3 signals
Chart nº 3
Colour bars
PAL and SECAM systems
• Colour bars 100/0/75/0
When colour bars key is pushed again it changes to 75/0/75/0 chart
Page 6
, G-Y=0) 50% of the white level
f sub-carrier
Colour pattern generator GV-998
12/2004