If you have your device and a USB cable handy, you can quickly check for and install software updates from myDashboard. A simple software update can fix most problems.
|1.||Can my GPSMAP 400 or 500 series device...|
|2.||Can I connect a transducer to my GPSMAP...|
|3.||How do I change the unit of measurement...|
|4.||How fast does the GPS antenna update...|
|5.||How do I customize the data fields...|