@ 125Hz OR -1 or 2 db @ 250 depending on the room*
HI-MID:
+2 or 3 db
@ 1.8K
TREBLE:
+1 db
@ 10K-12K
(Also try cutting 250Hz on the channel and 125Hz in the house graphic, or the other way around, also depending on the system and room. Some halls have small problems at 125Hz.)