receive the unit in normal time from Amazon . fail , fail , fail from then on . down load the pc communicator -- fail . download the 510 program -- fail . the free trial to Geocashing.com premium -- fail . quote from geocashing.com `` please send a photo of the free trial card you receive with a clear image of the trial code - from there I will be able to better assist you . '' the touch screen be cranky and seem to work less well when in sunlight . the demo tape keep reappear . the menu be not intuitive . instruction manual hardcopy can be buy ???? down load a copy of the manual be the ONLY download that work . spend the morning in the field set some waypoint . spend the whole afternoon at home in frustration . do not bother contact Magellan 's customer service . do not need extra frustration . see other review for that . it go back to AMazon . the one good feature be the ability to get a signal in deep cover . at least better signal than my 10 year old explorist .