-- card: 27047 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 3551
-- name: 


-- part contents for background part 3
----- text -----
operator

-- part contents for background part 4
----- text -----
the basic FM function on the DX7;
the digital equivalent to a sine wave generator. an amplifier, and an envelope generator.