Event Description
KeyPressed Generated whenever a button is pressed (numeric keypad digits
are 0,1,2...,9 and quickdial buttons are %1,%2 ...).
KeyReleased Generated whenever a button is released (numeric keypad digits
are 0,1,2...,9 and quickdial buttons are %1,%2 ...).
InputChanged Indicates a change on the digital input.
OutputChanged Indicates a change of the output.