I just want to delete a few files, but the button says "Delete All". If there is some place I can read more about the File Button, then I will read about it...or...maybe someone will give me a quick rundown about the buttons after I hit the File Button. I got a shot the other day under a tree that surprised me. Happy so far with the LS and Triumph-2 combo and with the many surveyors being continuously involved with its development. I have read in the past that GPS chips are about the same, but the difference is the software, the ease of use and the support and then the price comes in to it of course.....$20000 for a Javad System versus $30000 to $50000 for other well known systems...hmmmm