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Five preset ratios are provided: 1.5:1, 2:1, 3:1, 4:1 and
6:1.
The control characteristic is shaped such that the onset
of compression is smooth and progressive, the true
ratio being reached within the first 5 to 10dB above the
Threshold.
limiter
limit On - Switches the Limiter in (up) and out (down) of
the circuit.
limiter level - Sets the threshold of the Limiter. May be
set in steps of 1dB increments from +4dBu to +20dBu.
limit recovery - There are three preset limit recovery
times (100ms, 200ms & 800ms), plus an automatic
setting (AUTO). In the AUTO position, both the Attack
and Recovery times are composite and self-adjusting.
Speeds are rapid for isolated peaks, while remaining slow
for persistently high levels, so the impression of a normal
dynamic range is preserved as the program rides on a
slowly moving 'gain platform'.
Fast attack - Switches the attack time from 100 µs
(up) to 5 ms (down). A slower Attack Time will avoid
unpleasant effects when processing signals of a
percussive nature (such as solo piano). In this way, a
narrow dynamic range may be achieved by feeding high
levels into the 2254 and choosing a low limit level.
assign section
The Assign Section of the Series 75 allows selected
Channels to be routed to multiple destinations, Scenes to
be stored and recalled, and Custom User Features to be
set up.
Channel routing
The Channel path output can be routed to a Group,
multiple Groups, or the Main Mix. Note that the Channel
Direct Outputs are always active regardless of whether or
not the Channel path output has been routed elsewhere.
When a Channel is selected it is focused in the Assign
Section and the previous Channel is deselected.
Any selected Channel(s) can be routed to one or
more Groups by pressing and holding any one of the
Group Buttons 1 - 8. This sums the selected Channel
output(s) onto the selected Group Mix Bus, and outputs
the resulting signal to the Group Outputs and the Stem
Outputs post-fader.
GrP VIew - This displays which Channels are assigned
to which Group. Select the GRP VIEW button (latches)
and hold the Group button that corresponds to the Group
you would like to view. The Channel Select buttons that
are lit indicate that those Channels are routed to that
Group. Select the GRP VIEW button again, or ESC to
exit Group View mode.
Channel Functions
Once a Channel has been Focused in the Assign Section
using the Channel Select button, or multiple Channels
have been Focused using Multi-Select mode:
MaIn MIX - Routes the selected Channel(s) to the Retro
and Modern Mix Outputs via the Main Mix Fader.
FDr swaP - Swaps the Monitor Path Rotary with the
Channel Path Fader, ie, the Monitor Path Rotary now
controls the Channel path output, and the Channel Path
Fader now controls the Monitor path output. Note: All
other controls remain unchanged.
Pan - Activates the Pan control on the Channel. This
is indicated by a blue LED to the right of the Channel
Pan control. If a Channel is routed to multiple Groups,
panning will occur across odd and even Groups.
1
2
3
4
5
6
7
8
0
MAIN
MIX
FADER
SWAP
PAN
GRP
VIEW
ESC
PEAK
LED
SIG
LED
RCL
STORE
<<
>>
AUTO
