SoundCraft         GicRac1000st User Manual page 27

(26) FX Bypass Footswitch
The FX Bypass Footswitch socket is used for connecting an optional
foot switch to turn the GigFX processor On and Off.
(27) Effect on switch
The effect on switch has a toggle action, the adjacent LED indicates
when the FX unit is on.
(28) FX to Main Control
This controls the volume of Effects sent to the main mix.
(29) FX to Mon Control
This controls the volume of Effects sent to the monitor mix.
(30) FX Clip LED
This illuminates when the signal level being fed to the GigFX processor is
too high.
23