TILT -1 dB EQ Overlay 

LF +1 dB --> HF -1 dB

TILT gradually alters the overall frequency respsonse for more top end and less bottom end (positive values) or less top end and more bottom end (negative values).

Different parts of a system can be adjusted by choosing the desired location to recall a TILT overlay (ie. Module / Array Group / System Wide Group / etc.). 