Making Sense of the Vista 20p Programing Manual
If you're looking at a vista 20p programing manual and feeling a little overwhelmed, you aren't alone. These Honeywell (formerly Ademco) systems are legendary for being absolute workhorses, but their documentation isn't exactly a light beach read. It's dense, technical, and written by engineers for technicians, which can make it a total headache for the average homeowner or even a DIY enthusiast. ...