The sr-16 is from 1990. You'll be bored to death programming it and listening to it.
If you have a PC or iPhone, use it instead
Zoom is a good choice. It is always handy to have a recorder for rehearsals. But an external mic on a smartphone can do wonders.
My opinions are the result of years of rational, objective analysis. I analyze all factors before making a choice. I update my opinions to include new facts. Fallacies? No?