NEVER RECORDED BEFORE SO HAVE A FEW QUESTIONS,HAVE A 998. 1-HOW FAST SHOULD I GO WITH SI SCANNING. 2- IF RECORDING WITH SI AND ALSO HAVE GPS ON ,CAN I AT HOME WATCH IT FULL SCREEN WITHOUT GPS ON SCREEN ON COMPUTER. 3-IF I RECORD IN 2 OR MORE PLACES ,DO IT START WHERE IT LEFT OFF AND NOT ERASE OTHER SPOT. 4-HOW DO I KNOW WHEN 2G CHIP IS FULL. 5- WHAT DO I NEED FOR HOME COMPUTER TO READ IT, 6 IS IT EASY TO MARK WAYPOINTS ON HOME COMPUTER, THANKS ,I JUST WANT TO DO SOME WINTER HOME WORK