Calrec SUMMA User Manual page 127

With the Dynamics 1 processing tab selected, tap SIDECHAIN EQ within the control window to see the sidechain EQ
controls. The SC LISTEN toggle button towards the bottom right of this window allows you to listen to the sidechain
signal whilst you alter the EQ parameters. The sidechain BYPASS button in the window header allows you to switch
the sidechain EQ controls in and out, allowing you to hear the difference the EQ processing makes. The rest of the
controls are explained in more detail here:
FIGURE 6 - SIDE CHAIN OPERATION
FIGURE 7 - SIDECHAIN EQ
CALREC
Putting Sound in the Picture
"EQ" on page 132
127