Hammond SKX Instructions Manual page 6

Equalizer
6
From the previous screen, touch the PAGE RIGHT Touch Button once. The number underneath the word "BASS"
should now be blinking.
Drawbar Equalizer
This Advanced Feature allows you to adjust the amount of Bass, Mid-range and Treble frequencies. You can select from "-9"
(minimum amount) to "+9." (Maximum amount). At "0," the level is "flat."
Use the PAGE LEFT and PAGE RIGHT Touch Buttons to move back and forth among "BASS, "MID" and
"TREB."
Turn the VALUE Rotary Control to the right to increase the selected frequency range.
Turn the VALUE Rotary Control to the left to decrease the selected frequency range.