SoundCraft GIGRAC User Manual page 27

be used to send the Main Mix to another amplifier or powered speaker
or alternatively it can be used to send a 'submix' to another mixer's
input channel or another recording device.
(19) Mon Output
The Mon Output carries the Monitor Mix signal derived from the Mon
controls on each channel. The Mon output level is controlled by the Mon
Master Volume control.(9)
This output is used mainly to send the Mon Mix signal to an on stage fold
back speaker system of some kind.
(20) FX Bus Output
The FX Bus Output carries the FX Mix signal as derived from the FX
controls on each channel. This allows additional external effects
processing devices to be used in conjunction with the GigRac's built in
GigFX digital effects processor.
(21) Submix Input
The Submix Input allows the output from another mixer to be blended
with the Main Mix Output of the GigRac.
This input could also be used for connecting an effects return signal
from an external effects processing device.
(22) FX Bypass Footswitch
The FX Bypass Footswitch socket is used for connecting an optional
foot switch to turn the GigFX processor On and Off.
(23) Effect On Switch
The effect on switch has a toggle action, the adjacent LED indicates
when the FX unit is on.
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