Hidden functions
From OpenPLi Wiki
Ambiguous Maybe hidden functions is not the right term, but the functions mentioned below are "there" when you press a long time on a certain key in a certain screen of OpenPLi.
On and Off
Most well known is pressing not short but long on the On/Off key on your remote control presenting the menu below.
Graphical Multi EPG
When you open de Graphical Multi EPG the blue button gives you prime time or now, but if you press the blue button long you can go to a certain date/time in the EPG.