recording 11 saving 10 saving as route 10 showing 6, 10 transducer 12, 13, 16 trip gauges 16 trip planner. See routes troubleshooting 21 U unit ID 19 units of measure 20 updates, software 1 user data, deleting 11 V vessel trails 7, 17 VHF radio 17 calling an AIS target 18 distress calls 17 DSC channel 18 individual routine call 18 voltage 20 W WAAS 19 water, temperature offset 20 waypoints 8, 21 copying 18 creating 8, 9 deleting 9 editing 9 man overboard 9 navigating to 9 sharing 18 showing 6 sonar 14 tracked vessel 17 viewing list of 9 Z zoom chart 2 sonar 14 24 Index