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Section 2 — Control Panel Descriptions
All buttons on the Source Select panel have three levels of
illumination, known as “tally”:
■ OFF indicates not selected
■ DIM or “low tally” indicates selected, but not on-air
■ BRIGHT or “high tally” indicates selected and on-air
Only one button in each row is illuminated at any time (not
including the SHIFT button).
Primary Source Selection (Primary Crosspoints)
Each row of primary source selection buttons consists of 16
buttons for the 3000-2 or 24 buttons for the 3000-2, each having a
customer-specified designation under a clear lens cap.
Each input, including BLACK and BKGD, can be mapped to any
vertical column of source select (“crosspoint”) buttons. Thus, each
column of buttons may be visualized as an input bus of video and
key crosspoints.
External video and key inputs connected to the switcher are
numbered 1 through 64. Each input can be treated as either a video
signal or a key signal, as defined in the Configuration menu.
For the 3000-2, up to 32 video/key pairs may be assigned at one
time to the crosspoint buttons — 16 “unshifted” and 16 “shifted”
selections. For the 3000-3, up to 48 video/key pairs may be
assigned at one time to the crosspoint buttons — 24 “unshifted”
and 24 “shifted.”
On each column of crosspoint buttons, you can map a video
signal, a key signal, and a chroma key signal. The video and
luminance keys can be any combination of external video,
external key, and a variety of internal signals.
When you press the crosspoint button at the intersection of the
column and the row, the appropriate signal on each input column
is switched onto any output bus (horizontal row)—the mapped
key signal onto the selected key bus or the mapped video signal
BLACK
...
BKGD
1
BKGD
2