Click and hold SHIFT + MIDI SW (button 5) and apply these settings: Tx/Rx Edit SW = ON Rx Exclusive SW = ON Tx/Rx ProgChg SW = BANK SEL + PC Local Switch = If JP-8000 would be my master keyboard, I would turn it off. MIDI Clock = External syncs to MIDI input clock....
Connect the MIDI cables from your synthesizer to the MIDI interface and Audio Jacks to your console / sound card. MIDI out from synth to MIDI interface IN and vice versa. MIDI thru connections will not work. MIDI Out from MIDI interface to JP-8000 / JP-8080 MIDI In...