Posted 9/26/2012 10:23 (#2609734 - in reply to #2609715) Subject: Re: basic pro 600 question
roaming
recommended, but not required if you have GPS selected as your Speed Source. If you lose GPS, the display will fall back to wheel speed. If you ran the distance cal, the wheel speed will be more accurate. But as long as you're actually using GPS speed, the distance cal is irrelevant.