8. What is the preset of AIRSTEP?
<p>When you start using AIRSTEP, you can load massive default presets from the AIRSTEP Preset library or edit your custom presets and save. If you want to know about the custom editing of AIRSTEP’s presets, please read the following carefully.</p>
<p>All control data of AIRSTEP are stored as presets. A complete set of presets consists of the following parts:</p>
<p><strong>Parameters such as the trigger mode, message type, specific definition of the message, the output interface of the message, and the indicator mode corresponding to the footswitches.</strong></p>
<h4>Footswitch Parameters</h4>
<div><center>![](https://www.showdoc.cc/server/api/attachment/visitfile/sign/914b427025ce814f6f5d1f3a4e4e9385?showdoc=.jpg)</center></div>
<h6>PC 0:</h6>
<p>Footswitch name. It is recommended to name the footswitch as the parameter corresponding to the controlled device or the command value sent by this footswitch. The example in the figure is the second way.</p>
<h6>MIDI:</h6>
<p>Types of messages,four types in total: MIDI, HID, Relay and Device. The first three are messages sent by AIRSTEP. Click to jump to view. Device <a href="#C12">12. messages are local messages of AIRSTEP</a>.</p>
<h6>1 Msg:</h6>
<p>Message definition, display number of messages or toggle mode, Click <a href="#C13">13. toggle mode</a>to jump to view. </p>
<h4>MIDI IN parameters</h4>
<div><center>![](https://www.showdoc.cc/server/api/attachment/visitfile/sign/914b427025ce814f6f5d1f3a4e4e9385?showdoc=.jpg)</center></div>
<h6>Forward:</h6>
<p>The name of MIDI IN, can be freely customized.</p>
<h6>Thru to ALL:</h6>
<p>The MIDI Forward interface will show which interface or interfaces the MIDI input is forwarded to. For details: <a href="#C14">14. MIDI Forward</a></p>
<h6>0 Msg:</h6>
<p>The number of MIDI trigger messages, 0 means there is no MID trigger message. For details: <a href="#C15">15. MIDI Trigger</a></p>
<h4>Expression pedal parameters</h4>
<p>Contains parameters such as the type of expression pedal, MIDI messages , and the output interface. Each expression pedal can send up to 8 MIDI messages.</p>
<div><center>![](https://www.showdoc.cc/server/api/attachment/visitfile/sign/7b08cc5a9f3ec7c1c5d02ef72f6d834b?showdoc=.jpg)</center></div>
<h6>Mod:</h6>
<p>The expression pedal input’s name, can be freely customized.</p>
<h6>RTS:</h6>
<p>Expression pedal type, RTS or TRS. The default is RTS, click to view details: Expression Pedal Input</p>
<h6>1 Msg:</h6>
<p>Number of messages </p>