Humminbird 300 SERIES 365I - Manual (Page 102)

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Chart Detail Level
Settings: Basic, Navigation, Underwater, All; Default = All
Chart Detail Level allows you to select how much chart detail you want
displayed on the Navigation Views.
NOTE: Some chart details are only available with optional-purchase MMC/SD cards.
Basic shows land areas, ports, obstructions, and restricted areas.
Navigation shows navaids, landmarks, ferryways, and navigation routes
in addition to the Basic information.
Underwater shows depth contours, fishing areas, underwater wrecks,
tides and currents in addition to the Basic and Navigation information.
All shows roads, buildings, railways, and other notations in addition to
the Basic, Navigation, and Underwater information.
Map Borders
Settings: Hidden, MMC/SD Only, All Visible;
Default = MMC/SD Only
Map Borders allows you to display or hide map borders. The dotted lines of a
Map Border indicate an area which contains a different map.
Map Borders
Map
Borders
Chart Menu Tab