Calrec S2 Operator's Manual page 71

S2
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5.11 SURROUND SOUND
A button on the channel modules marked SURROUND directs left and right signals to odd
Groups and Main only and directs centre and surround signals to even Groups and Main.
A Front/Back pan allows the channel signal to be panned between front (L, R and centre)
outputs and Surround output in addition to the normal left/right pan. The Front/Back pan
control is shared with the width control on Stereo Modules where it is assumed that only
one facility is required at any one time.
The Surround Sound monitor panel allows the DESK MODE to be set for normal STEREO,
4 TRACK and 5 TRACK. In the 4 TRACK mode, the outputs from the console are Main
1: Left and Right, Main 2: Centre and Mono Surround and the loudspeaker monitor outputs
are provided at these positions. There are two outputs for Surround connected together.
In the 5 TRACK Mode Left and Right Surround are taken and monitored separately from
Auxiliary 8 Output thus featuring the new Aux 7/8 pan control to move the Surround left-
right across the rear sector.
The Surround monitor panel enables comparisons to be made between the two Surround
conditions (as well as normal DESK STEREO), the ENCODER left-right signal (for
compatibility) and the DECODER Surround presentation. This involves the connection of
an external encoder and monitor decoder. Provision is made for the latter to be switched
between STEREO, MONO and SURROUND when this facility is available on the decoder.
Finally two joysticks are provided for surround panning on a channel by feeding from a
channel insert go input (just left on a stereo) and returning the four outputs as follows:-
LEFT AND RIGHT FRONT RETURNS:-
1. To the insert return on the same stereo channel routed to an odd group or inputs.
2. To the insert return on another stereo channel routed as above.
3. To the direct input on a spare odd numbered group routed to the Main output.
LEFT AND RIGHT BACK RETURNS:-
1. To the insert returns on a spare stereo channel with only the Auxiliary 8 active.
2. To the direct input on any spare group with only the Auxiliary 8 active.
See illustrations on the following 2 pages.
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