Controller Block
The unit's control surface consists of a backlit graphic LCD, many pushbuttons, potentiometers, and rotary encoders. The potentiometers are user-assignable and can control multiple MIDI parameters in realtime during recording or performance.
A two octave pushbutton keyboard may be played in real time or using during stepwise pattern recording. This keyboard does not generate MIDI velocity or aftertouch information but the AWM2 tone generator will respond to such information if delivered by one of the realtime knobs or an external MIDI controller.
Visual feedback comes from individual red and green LEDs, several red seven segment LEDs, and a 240x64 pixel LCD with green backlighting.
The main sequencer CPU is a Renesas (formerly Hitachi) model 7014 SuperH-2 running at 28 MHz.
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