Owner's Manual
Page 107
...meters. Channel messages transmit information such as MIDI data to the serial port of a personal computer using Windows, a Yamaha MIDI driver must be connected by the PSR-550 are two kinds of MIDI data, or messages. q MIDI OUT ..... Transmits and receives MIDI data to and from the TO HOST... port of controller data. MIDI messages can cause data errors. 107 105...
...meters. Channel messages transmit information such as MIDI data to the serial port of a personal computer using Windows, a Yamaha MIDI driver must be connected by the PSR-550 are two kinds of MIDI data, or messages. q MIDI OUT ..... Transmits and receives MIDI data to and from the TO HOST... port of controller data. MIDI messages can cause data errors. 107 105...