ÿþ INTRODUCTION In terms of electronic drum technology, the SDS 7 is a significant step forward in four areas. (a) sound generation (b) programmability (c) selectability of programmes (d) playability In this manual, each of these areas are discussed individually, along with chapters covering the subjects of unpacking, setting up, connecting up, technical specifications and a discussion about programming techniques. The range of sounds available from theSDS 7 is virtually infinite, from acoustic drum and cymbal sounds to the now characteristic "Simmons" sounds and outrageous, personally structured percussive effects. Read on.