Roland PG-10 Linear Synthesizer Programmer

The instrument

The Roland PG-10 Linear Synthesiser Programmer is used with the D-10, D-20 and D-110 digital synthesizers. 

Details

The PG-10 has the follows functions:
Front Pedal: Edit Knob x 8, Cursor Button x 2, Write, Enter and Exit Buttons, MIDI Button, Edit Menu Button, Tone Edit Function Button, Previous Value / Partial Mute Button, Parameter Group Button x 8, Partial Select Button x 4.
Rear Panel: Power Switch, AC Adaptor Socket, MIDI IN, MIDI OUT, MIDI THRU Connectors, Parameter IN Connector
Current Draw 200 mA (DC 9V)

(Source: Roland)