What is the Yellow (Programmable) button for and how do I use this?

This button allows you to open specific Apps on either short or long press of the Programmable button
1. Go to the Settings menu, scroll down to “Programmable Key” and select
2. This will open three options for the device: PTT, Short press and Long press
3. Tap on Short press this will open a screen where you have a number of applications that you can select, for example; the Camera.
4. Next tap on Long press and select an alternative option, for example; the Air app.
5. Now when the device is open a short press on the programmable button will open the Camera App and a long press will open the Air pp