Vista 20P Programming 6290W Touch Screen Default installer Code: 4112 (connected with VISTA) or 4140 (not connected with VSTA) Add keypad to Vista 20P https://www.alarmgrid.com/faq/how-do-i-add-an-additional-keypad-to-a-vista-20p Adding and deleting zones https://www.youtube.com/watch?v=n7wNh54ksYQ&t=89s