Magellan Meridian Gold, User Manual

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Magellan Meridian GPS Receiver
Reference
Also, you must be zoomed in to a scale of 0.80 miles or closer for the
horizontal profile to be displayed. Zoom scales higher then 0.80 miles
will cause the data displayed to change to the Two Data Fields and will
change back to Horizontal Profile as you zoom in to 0.80 miles and
below.
Terrain Projection Description — This feature allows you to view the
terrain directly ahead of you graphically. It is computed from your
present position and extends in a straight line to the top of your display.
This provides you with instantaneous information on what terrain
elevations are directly in front of you. Your present position and
elevation are indicated at the left side of the display. The maximum
elevation for the terrain ahead of you is displayed above the graph, next
to the map scale indicator. (This function requires that map data has
been uploaded from Magellan MapSend Topo for the United States and
that your present position as well as the projected horizon falls within
the area uploaded.)
Like Horizontal Profile, you must be zoomed in to a
scale of 0.80 miles or closer for the projected terrain
to be displayed. Zoom scales higher then 0.80
miles will cause the data displayed to change to the
Two Data Fields and will change back to Terrain
Projection as you zoom in to 0.80 miles and below.
You should note that when you select Terrain
Projection your Map Orientation will change to “Track Up” so you may
need to change that when you are done viewing the projected terrain. If
you change Orientation to something other then Track Up while
viewing the Terrain Projection, the default Two Data Fields is displayed.
Changing the Orientation back to “Track Up” will revert back to the
projected terrain.