Yamaha AX16-AT - Manual (Page 58)

45 23 1
A
A
A
[ THROUGH IO-A
] THRU-A
B
B
THRU-B
B
[ THROUGH IO-B ] [ THROUGH IO-B ]
B
B
B
[ THROUGH IO-A
]
A
A
A
IO-A
IO-B
FULL HALF
OFF
A B
A
A
B