You'll also find that it helps if you identify the product you're dealing with.
While Barf is educated enough to recognize the different parts of the signal, those of us who don't know as much as he does can check whatever databases we have and compare what's there, or perhaps share it here for you to compare or use.
It's the very rare circumstance where stating the brand and model does not help move things forward.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
