2. Types of messages sent by AIRSTEP

<div><center></center></div> <h4>MIDI message</h4> <p>AIRSTEP can send MIDI messages via 5-PIN MIDI interface, USB, Bluetooth.</p> <p>The types of MIDI messages that AIRSTEP supports include Program Change, Control Change, Note On/Off, System Real Time, System Exclusive, System Common, Channel Pressure, Polyphonic Pressure. ALL of them can be edited through APP, and also can be specified to different output interfaces.</p> <h4>HID message</h4> <p>The HID message is the message sent by a computer keyboard, and AIRSTEP's footswitches can be used as any key value on the computer keyboard. AIRSTEP connects to mobile phones or computers via Bluetooth to send HID messages, which can be used to turn pages of music scores, control the pause/play of music or YouTube shortcuts on the computer, and so on. You can edit the specific HID message value (keyboard key value) you want to send in the APP.</p> <h4>Relay message</h4> <p>Relay messages are messages sent by traditional foot switches. As long as your device (usually stompboxes or amps) can be connected to a traditional foot switch, then AIRSTEP can control it.</p> <p>AIRSTEP can send two types of Relay messages, Momentary and Latching, which are set in the APP. Use the TRS line or TS line to connect to the controlled device. Please refer to the manual of you device for types of line.</p>