Not sure what the purple dial does, but all other buttons responded when tested.
TAMA BE546 Artwood Birdseye Maple Snare Drum 14x6.5 9-Ply Vintage 1990s Japan
Yamaha SD465M Snare drum - Vintage From Early 1990s
Vintage 1970s–1990s Hand Carved Wooden Djembe Drum Goat Skin African Style
DW All-Maple Shell Snare Drum 14x5 1990s Vintage Used Collectors Piece
Vintage Rare 1990s Disney Pocahontas Inflatable Tom Tom Drum Toy In Box
Vintage Big R Rogers Dyna-Sonic 14x5 COB Snare Drum 1970s
