vi GPSMAP 640 Owner’s Manual
Table of Contents
Clearing User Data .................................................................... 72
Battery Information .................................................................... 72
Charging Your GPSMAP 640 ..................................................... 73
Changing the Fuse on the Automotive Mount ............................ 73
Additional Maps ......................................................................... 73
About GPS Satellite Signals ...................................................... 73
Extras and Optional Accessories ............................................... 74
Specications ............................................................................. 74
Declaration of Conformity .......................................................... 75
Software License Agreement ..................................................... 75
Troubleshooting ........................................................................ 75
Messages and Alarms (Marine Mode) ....................................... 76
Index ...................................................................................81
