Calrec S2 Operator's Manual page 22

S2
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2.5 LC4341-3 MAIN OUTPUT
Routing from Output 2 to Output 1 only. Red LED.
Main output compressor, may be used as a limiter (50/1 ratio).
20dB gain reduction Yellow bargraph.
Normally pre fader - can be set post fader.
Can be linked between outputs.
Separate In/Out switch: Red LED - Dims Gain reduction bargraph when out.
Make-up gain control - 20dB max.
Auxiliary Output Master Controls.
Output 1 controls Auxiliaries 1, 3, 5 and 7.
Output 2 controls Auxiliaries 2, 4, 6 and 8.
Each output can be cut if required, then the Green/Red bargraphs are dimmed.
Stereo auxiliary outputs 7 & 8 may be set for MONO operation.
Pre Fader Insert selection. Yellow LED.
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