What are the different alarm settings, and how do you arm them? How often should I replace the standby battery on my ADT DSC Impassa System? You should replace the standby battery about every 3-5 years. Frequently Asked Questions: ADT DSC Impassa System Let’s take a quick look at the top 15 questions asked about the ADT DSC Impassa System. Posted at 11:37h in by Whether you’ve had your for a while or it’s brand new, it’s always good to know more about your system, so you can better maintain it, take advantage of all the benefits it has to offer, and know how to troubleshoot certain issues should they arise.
Warning: ADT Customers, unlock your panel before closing your contract. View and Download DSC Impassa user manual.
