and the hand held gps is only on for a minute or so once an hour - does it's job and saves the batteries.
we were once invited aboard a two year old catalina 42. had so many instruments around the wheel you had to wonder when the guy found time to steer - probably didn't, probably let the autopilot do it.
but he did confide to me that it took the catalina dealer nearly a year to get the boat working correctly after delivery...