crwdns2934241:0crwdne2934241:0 raodonald
crwdns2947189:0crwdne2947189:0:
Volume control knob action
crwdns2934249:0crwdne2934249:0:
There is no change by using the volume knob on a CTK-900.
crwdns2866306:0crwdne2866306:0:
Casio keyboard
crwdns2915684:0crwdne2915684:0:
open