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A. Whenever the
cursor is active, the
bearing and
distance of the
cursor from your
present position will
appear in a pop-up
data window.
B. To remove the
cursor and recenter
your vessel on the map, press the QUIT key.
14
GETTING STARTED
Using the Map Cursor
Working from the map page is a simple process that centers around the use
of the cursor. Controlled by the R keypad, the cursor is an important tool that
can be used to pan to other map locations, mark and edit waypoints and
routes, and review position data of on-screen navaids and waypoints.
To get a feel for using the map page and using the cursor, try the
following exercise:
1. Use the DOWN arrow of the
Z
key to set the map scale to the 64 nm setting.
Your boat should be in the center of the map, at the receiver’s last known
position. (If your boat isn’t where it should be, make sure that you
have
initialized the receiver and acquired a position as described on pages 6-8.
2. Use the DOWN arrow of the R keypad to move the cursor down to the
first lat/lon grid south of your boat’s position.
3. Using the R keypad to move the cursor, try following the outline of the
lat/lon grid closest to your boat. Notice how another data field appears at
the top of the page, showing the bearing and distance from your boat to
the cursor, along with the lat/lon of the cursor.
4. Press the
Q
key to remove the cursor and recenter your boat on the map display.
As you become more familiar with the cursor, you’ll see that the map
display actively scrolls or ‘pans’, letting you explore areas around the world
(even outside of your current G-chart coverage) and create waypoints and
routes. Wherever you move the cursor, you’ll always be just one Q
keystroke away from returning the map to your present position.
Now that you have a feel for how the cursor works, let’s move on and see
how the GPSMAP 175 works on the water. To help you practice using the
map page and other features, we’ve stored a practice route in the receiver’s
permanent memory, so you can see exactly what you’ll experience when
you’re navigating with your new GPS chartplotter.
175 Manual 7/31/98 3:56 PM Page 14