JLCooper FaderMaster Pro - Manual (Page 26)

Offset Grouping
The faders assigned to the master are offset by the position of
the master.
Faders assigned to the master are offset positively as the master
is raised above the mid-point.
Faders assigned to the master are offset negatively as the
master is lowered below the mid-point.
Before Assigning Groups:
Master Above Mid-point: Master Below Mid-Point:
➤ ➤
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