Raymarine GPM400 Reference Manual page 63

5.9 Presentation options
The PRESENTATION softkey gives you control over how data is displayed on a chart window. It opens the toolbars shown below.
FIND GOTO
Chart mode and orientation
Chart view local/system
Declutter on/off
ROUTES TRACKS
Show/hide waypoints
Chart layers
Find
Chart sync
Orientation
Motion mode
Vessel offset
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PRESENTATION
Show waypoints
Show by sym/group
Aerial overlay On chart show/hide
Radar overlay
Waypoint name on/off
Chart type
Chart symbology
AIS
Range rings
3D locator
Chapter 5: The Chart Application
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