Owner's Manual
Page 102
..., 04H, 01H, ll, mm, F7H Allows the volume of all channels to OFF. "mm" is sent. F0H, 43H, 73H, 01H, 14H, F7H This message switches PSR-620 to execute, so sufficient time should be allowed before the next message is used as follows: T=M-128 (28 Remote Channel setting is 7FH. This message...
..., 04H, 01H, ll, mm, F7H Allows the volume of all channels to OFF. "mm" is sent. F0H, 43H, 73H, 01H, 14H, F7H This message switches PSR-620 to execute, so sufficient time should be allowed before the next message is used as follows: T=M-128 (28 Remote Channel setting is 7FH. This message...