iNFiNiT! Family Operation Manual
Revision D 14-3 Buffers & Channels
Active frame
buffer or
buffer
The frame buffer (1, 2, or 3) in which you are currently
working.
The active buffer and its assignment are specified in the
Status Area on the Message Compose main menu as
Buffer: n X AIR or Buffer: n PREVIEW, where n des-
ignates the buffer number, and
X designates CHANNEL A
or CHANNEL B. If a buffer is assigned only to PREVIEW,
no channel letter is displayed. If a buffer is assigned to
CHANNEL X and to PREVIEW, the active status is dis-
played as
Buffer: n X/PREVIEW.
Background
RAM
A scanline background (§10.5) can be created in Back-
ground RAM. There are two Background RAM’s: the AIR
Background RAM, which can be mixed with CHANNELS A
and/or B; and the PREVIEW Background RAM, which can
be mixed with PREVIEW.
CHANNELS A
and B
A frame buffer can be assigned to output to CHANNEL A
and/or CHANNEL B. The Output Percentage level of each
channel can be independently set. The output of these
channels are then sent to a mixer which can mix in a scan-
line background created in AIR Background RAM (§10.5)
or the output of PREVIEW(§16.11). The output of this
mixer becomes the AIR CHANNEL.
PREVIEW A frame buffer can be assigned to PREVIEW. The Output
Percentage level of this channel is set to 100% opaque
and cannot be changed. The output of PREVIEW is then
sent to a mixer, which can mix in a scanline background
created in PREVIEW Background RAM (§10.5). The out-
put of this mixer becomes the PREVIEW CHANNEL.
AIR
CHANNEL
The output of the mix of CHANNELS A and/or B, and/or
the AIR Background RAM or PREVIEW. This signal
leaves the CHYRON chassis from the CHANNEL 1 con-
nectors.
PREVIEW
CHANNEL
The output of PREVIEW and/or the PREVIEW Back-
ground RAM. This signal leaves the CHYRON chassis
from the CHANNEL 2 connectors.
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