Owner's Manual
Page 51
... driver supplied with another MIDI device, it transmits/ receives performance data. About MIDI Transferring Performance Data To and From Another Instrument By connecting the PSR-E213/YPT-210 to purchase a Yamaha UX16 or a quality USB-MIDI interface at a musical instrument store, computer store or electrical appliance store. PSR-E213/ YPT-210 MIDI OUT MIDI IN MIDI IN MIDI OUT MIDI...
... driver supplied with another MIDI device, it transmits/ receives performance data. About MIDI Transferring Performance Data To and From Another Instrument By connecting the PSR-E213/YPT-210 to purchase a Yamaha UX16 or a quality USB-MIDI interface at a musical instrument store, computer store or electrical appliance store. PSR-E213/ YPT-210 MIDI OUT MIDI IN MIDI IN MIDI OUT MIDI...