My 1st question is:
how accurate is the speed which shows on face of Garmin c340?
Why would I have to load Garmin c34o software again as my computer would not recognize gps when connected by the usb cable? I have had no problem since first loading software a couple of months ago.
Appreciate any insight to my questions.
Several people on the board here have found it to be extremely accurate. Keep in mind that there can be a delay of a few seconds and it will show your last speed until it rechecks the satellites. That is why you can be at a complete stop for a couple of seconds before it shows zero speed.
Why would I have to load Garmin c34o software again as my computer would not recognize gps when connected by the usb cable?
That happens on my PC if I plug the GPS into a different USB port. It seems that windows XP doesn't recognize the same device if it is plugged into a different port. I try to always plug it into the same port, then I don't have that problem.
Thank you for the 2 explanations. It is very appreciated.
According to the specs for the c340 the velocity accuracy in both regular and WAAS mode is 0.05 meters/second. That works out to 0.118 miles per hour.
Once I set the cruise control, it is very accurate. I have even shot myself with radar to confirm.
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