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Section 3 — Menu Descriptions
The Mask Menu selections are as follows:
KEYER SELECT — Delegates a keyer for the following
selections.
INH MASK OPACITY — Enables or disables the INHIBIT MASK
OPACITY
soft knob.
INHIBIT MASK OPACITY — Adjusts opacity of the inhibit
mask. Available only for Key 1 and Key 2 in the M/Es.
MASK BUS CHR TRAP
—
Enables or disables the chroma trap on
the mask bus. The filtering removes unwanted chroma from video
used to generate the mask.
If you have a 068904-01 Keyer module, four levels of chroma
filtering are available — BS - HARD, BS - SOFT, LP - HARD, and
LP - SOFT. (BS = Band Stop; LP = Low Pass.) BS - HARD is the
default selection and is for signals that have high frequency
content. The other selections provide varying degrees of
softening, and can reduce ringing on hard mask edges.