SonarChart Live is a Navionics feature allowing you to create new 1 ft personal HD bathymetry maps in real time as your boat moves along the water! Navionics provides more than 2, 000 updates per day.
Owners of Navionics+ bundled cards can register at to get one year of daily updates and advanced features. After the subscription expires, you can renew with a discount up to 50% at or purchase a Navionics Updates card from a dealer for the most up- to- date charts.
Option 2: Upgrade Your MFD using Wi- Fi and the Internet.