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Calrec SIGMA - AUTOMATIC CROSS-FADING (continued); Fade In;Out Times; 5.1 Surround Channels

Calrec SIGMA
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CALREC Putting Sound in the Picture 25
Fade In/Out Times
The fade in and out times of each
auto-fader are individually adjustable
either by typing a value in the relevant
cell in the fade in/out columns, or by
using the nudge buttons. The range for
both parameters are 10 ms to 5secs, as
follows:
10ms to 100ms in 10ms steps
100ms to 1sec in 100ms steps
1sec to 5s in 500ms steps
Operation
Once an autofader has been assigned to
an opto input, and has a channel or group
path assigned, it is possible to automatically
fade in or out the assigned channel or group
fader under the control of the assigned opto
input. When the opto input is fired, the path
connected to the opto will be automatically
faded in to the current fader level (after taking
into account any VCA fader adjustment). When
the opto is not fired, the fader connected to the
opto will be automatically faded out.
The user can enable and disable each
autofader by selecting the Enabled IN
column.
5.1 Surround Channels
If an auto-fader is assigned to a surround
master the auto fader function acts on
all its spill legs. The auto fader settings
are stored with the surround master’s
path number. The status of the auto fade
is shown on both the surround and spill
fader’s NULL LED’s. If an auto fade is
unassigned from a surround path all the
spills are faded up.
Indication of an Auto-Fade
Indication of an auto fade is provided by
illuminating the fader’s down NULL LED
when the path is, or is currently being,
faded out. If the current physical position
of the fader is OFF then this will not apply.
The down NULL LED will revert back to its
original state as the path is faded back to its
current position. If the path’s fader is also a
VCA master, the NULL LED operates only if
the fader is in VCA interrogate mode thereby
exposing the status of the slaved path.

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