4 d. range (dynamic range), 6 hp tone ctrl (headphone tone control), 7 i/o assign (input/output assignment) – Yamaha RX-V530 User Manual

Page 48: 7a cmpnt-v input for component video input jacks, 7b optical out for optical output jack, 7c optical in for optical input jacks, 7d coaxial in for coaxial input jack