4 d. range (dynamic range), 6 hp tone ctrl (headphone tone control), 7 i/o assign (input/output assignment) – Yamaha RX-V630RDS Manuale d'uso

Pagina 48: 7b optical out for optical output jack (1), 7c optical in for optical input jacks (2) to (4), 7d coaxial in for coaxial input jack (5)