To engage Preset E, you’ll need to send a CC#14 message. The value depends on what action you want to execute for the preset.
0 = Do Nothing, 1 = On Press, 2 = On Release, 3 = On Long Press, 4 = On Long Press Release, 5 = On Double Tap, 6 = On Double Tap Release, 7 = On Double Tap Hold, 8 = On Double Tap Release, 9 = On Release All, 10 = On Long Press Scroll