2
Rear Panel Connections
Sequential
Rear Panel Connections
The rear panel of the Pro 3 has connectors for power, USB, MIDI, audio,
and pedals.
1. Power On/Off—This rocker switch controls power on and off to the
Pro 3.
2. AC Power Connector—Accepts a standard, grounded IEC power
cord. Operates over a range of 100 to 240 volts and 50 to 60 Hz.
3. USB—For bidirectional MIDI communication with a computer. The
Pro 3 is a Class Compliant USB device and does not require additional
drivers when used with Mac OS or Windows. See “Using USB” on page
4 for more information.
4. MIDI In, Out 1, Thru, Out 2—Standard 5-pin MIDI DIN connectors
for communicating with MIDI-equipped devices.
5. Footswitch—Accepts a momentary, normally open or normally closed
footswitch to control sustain or to latch the Arpeggiator on when keys
are held. Alternatively, an audio signal connected to the audio in jack can
be used to either control Sequencer/Arpeggiator playback, or to gate the
lter and amplier envelopes while notes are held.
Audio signals used to drive the Arpeggiator/Sequencer should not exceed 5
volts peak-to-peak.
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