Below are the steps to change the Master Code on your panel:
ADT Command Panel
*The default User description is displayed.
Ademco, Honeywell, First Alert
DSC Classic Series (1550, 2550, 3000)
DSC Power Series (1555, 5010, 864, 1832, 1864, Envoy, Alexor, Neo)
GE Simon Systems 1, 2 and 3
GE Simon XT
GE Simon XTi
GE Allegro
GE Concord
GE Concord Express
Paradox Esprit 718, 728, 738, 748
Paradox Specra 1728, 1738, 1748
2GIG Go!Control
Lynx 5100
What happens when I press the panic button or fire alarm button on the keypad?
If you hold the panic button or fire alarm button on the keypad for 1 to 3 seconds, an alarm is transmitted to the monitoring centre and emergency services are dispatched immediately.