Navionics Charts; Community Edits; Presentation Type - Lowrance HDS Gen3 Operator's Manual

Land Exaggeration and Water Exaggeration
Graphical settings available in 3D mode only. Exaggeration is a
multiplier applied to the drawn height of hills on land, and troughs
in water to make them look taller or deeper.

Navionics charts

Navionics specific chart options
Orientation, Look ahead, 3D and change Chart source (previously
described in this section) are common for all chart types.

Community edits

Toggles on the chart layer including Navionics edits. These are user
information or edits uploaded to Navionics Community by users,
and made available in Navionics charts.
For more information, refer to Navionics information included with
your chart, or to Navionics website: www.navionics.com.
Navionics chart settings
Colored seabed areas
Used for displaying different depth areas in different shades of blue.

Presentation type

Provides marine charting information such as symbols, colors of the
navigation chart and wording for either International or U.S.
presentation types.
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Charts | HDS Gen3 Operator Manual