SYN
ATUNE
BFM T
CFM D
DDEC
EFM A
FNDEC
GNLEV
HOVER
This panel is live — click keys to operate it. [FUNC] toggles the second layer, [TRK] then a trig key switches track, parameter-page keys cycle their pages, [UP]/[DOWN] browse, encoders inspect parameters.
DECDecaySYN · knob D · sd_fm
sets the length of the decay phase of the first (modulated) oscillator and, consequently, the whole drum sound.