Cadac R-Type - Manual (Page 11)

System overview 2-1
Revision R2005-2 R-Type
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Mixing consoles consist of a number of input channels and output groups with asso-
ciated faders, monitoring and control functions - organised in a way to allow the oper-
ator to do the particular job that the console has been designed to achieve. When
module positions are fixed in relation to the frame structure, various operational com-
promises occur during the life of the console. The R-Type console system allows the
owner or operator to move any module into any frame position and to change the
number of frames associated with the system to increase or decrease the number of
input channels and output groups to meet the needs of a particular project. The
number of inputs, outputs, faders and control functions can be varied during the life
of the console, extending the system as work loads increase, and/or to change the
function of the console (for example, to change from FoH configuration to monitor
layout). Experience gained with our “J”, “F” and “M-Type” series consoles has shown
that this type of structure extends the useful life of the mixer by at least one order of
magnitude.
Each R-Type frame has 24 module positions (slots) and there can be as many as 16
frames in any one console system. Each frame has provision for main and backup
power supply inputs and any two adjacent frames have full audio bus and control
function interconnection on a single multi-way bus loom. Digital control functions are
automatically mapped on power-up.
The standardised frame wiring provides a total of 55 balanced busses. Thus a fully
equipped console system can have 32 sends - 16 of which can be switched as 8
stereo sends for in-ear monitoring or stereo FX applications; 16 matrix sends; simul-
taneous L-C-R and stereo outputs; stereo monitoring and PFL. Standard (and
optional motor) channel VCA faders can access up to 16 VCA master faders and 16
mute groups. Additional MIDI, EVENT and alpha-numeric display functions for mas-
ter faders can be programmed and stored in 128 user memories (cues) associated
with the CCM.
Extended programmable functionality will be offered, using an external PC (via USB
ports on the CCM) running SAM, at a later date.
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Both mono and stereo modules are available. The modules have balanced insert
ports (send and return connectors); four band parametric EQ and high-pass filter -
selectable pre or post insert; balanced direct output - selectable pre or post fader.
Full details of the functionality offered on these modules is discussed in chapters
7
Mono Input Channel 8241 and 8 Stereo Input Channel 8231 . Also see Appendix D.
Jumper to disable direct output muting.
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Both mono and stereo VCA channel faders are available to control the input chan-
nels. Each fader has an input level meter (with dual input meters on the stereo) and
DC master/Mute group display.
Full details of the functionality offered on these modules is discussed in sections
7.3
Mono Channel Fader 8245/8246 (motor fader) and 8.3 Stereo Channel Fader 8235/
8236 (motor fader) .