Grass Valley DD35 Family v.3.1.5 - Manual (Page 19)

1. General DD35 Production Switcher
1 – 5 Operating Instructions – Rev. 16 / 10.2001
1.1.5 BASIC MAINFRAME DD 35–1–BM
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Basic Mainframe for 1 M/E
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Controller and Software for 1 stage
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Input Boards for 32 inputs
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Single Power Supply (1 unit)
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1 M/E with: 3 x M/E PGM and 1 x M/E PVW outputs
1.1.6 KEY FUNCTIONS (GENERAL)
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For each stage (M/E or P/P) one Key Processor (details see below) is manda-
tory. Each type has 3 linear/luminance keyers and 2 borderliners
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1 x Key / Mask Store (4:0:0, 8 bit)
for masks/keys/Paint-Mode-Masking
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Automated Key Adjustment AKA for all internal Keyers.
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Key Modifiers: Positioning, Sizing, Softness
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2 x borderliners / shadow effects for every keyer
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Key masking: box per keyer, wipes or drawing (Paint-Mode-Masking)
1.1.6.1 Key Processor RY 1943 with 2x Chroma Keyers
ChromaKey in Key1 and 2:
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Based on a matting technique, DynaChrome achieves an excellent detail and
shadow reproduction, virtually no color spill.
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Clip, Gain and FGD-Fade can reduce back ground noise and eliminate most
unwanted shadows. The automatic key alignment (AKA) is pre-adjustable for
any key color. The cursor allows an AKA for every key color.
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Manual adjustment is possible, as well as separate adjustment for both adja-
cent hues (selectivities) and a radial displacement away from the center of the
color circle. Selectivity
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Masking is the ability that allows different Chromakey settings to be simulta-
neously executed in different image areas within single
1.1.6.2 Key Processor RY 1945 with 1x Chroma Key
ChromaKey in Key1, otherwise like RY 1943. See above.
1.1.6.3 Key Processor RY 1944 without Chroma Key
Key functions see above.