MT-32: http://media.rolandus.com/manuals/MT-32_OM.pdf SC-55mkII: http://media.rolandus.com/manuals/SC-55MKII_OM.pdf SC-88: http://media.rolandus.com/manuals/SC-88_OM.pdf LAPC-I: http://media.rolandus.com/manuals/LAPC-1_OM.pdf
