cluelessAmanda welcome to Tech-Talk
DO NOT take the cover off! The Amanda does not contain any equipment or software reqired for the questions you have.
To add a music source requires wiring a music source device to the block that has the wiring from your system. Programing can be done from any telephone.
You need special tools and training, this is best left to the company that installed the system.
PM sent to cluelessAmanda, this will be handled off the forum.
