Promax GV-998 Manuel D'utilisation page 77

Colour pattern generator GV-998
• Multi-burst
1.0 / 2.0 / 3.0 MHz 100% of the white level.
4.43 MHz (f
• 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 switched signal and B-Y switched 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.
[13] Selection of pattern nº 3: Colour bars. Press the key repeatedly to cyclically
choose between two different patterns:
PAL and SECAM systems
• 100/0/75/0 colour bars
• 75/0/75/0 colour bars
NTSC system
• SMPTE1 colour bars
• 75/0/75/0 colour bars
[14] Selection of pattern nº 4: VITS. By pushing this chart key cyclically it is possible
to select between two different charts:
B/G/L/D/K systems
• VITS line CCIR17
• VITS line CCIR330
I system
• VITS line ITS I
• VITS line ITS II
NTSC system
• VITS line FCC composite
• VITS line NTC-7 composite
12/2004
, G-Y=0) 50% of the white level
sub-carrier
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