midiplus AKM320-BT - Chapter 1: Quick Start; AKM320-BT Overview; Front Panel Overview; Rear Panel Overview

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 Transpose Buttons(Up & Down).
 Sustain Switch interface (sustain pedal does not include).
 USB Port.
 MIDI OUT
 Bluetooth Low Energy
Chapter 1：Quick Start
1.1 AKM320-BT Overview
1.1.1 Front panel Overview
1.1.2 Rear panel overview