3
Structure
1 - output/input D 8 - output/input A
2 - ACD GND grounds switch 9 - input/output Y
3 - output/input C 10 - CTRL GND ground switch
4 - DS1 and DS2 – working mode switches 11 - 9V power supply connector
5 - MIDI channel settings switch 12 - MIDI IN input
6 - output/input B 13 - MIDI THRU output
7 - AB GND grounds’ switch