View source for FMP100 Keyboard

FMP100 have one physical button integrated and it can be configured to be used for different purposes.
==Button==
Button can be pressed in three different ways:
*1 Click - button is pressed no longer than 2 seconds.
*2 Clicks - button is pressed no more than two times. Between clicks there needs to be less than 1 second pause.
*Long Click - button is pressed and hold more than 2 seconds.