Lowrance electronic 212 - Manual (Page 18)

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The course-up mode locks the top of the screen into the original bearing
to the waypoint when navigation was first started. (See the navigation
section for more information on course, track, and waypoint navigation.)
To select a plotter orientation, highlight the “ROTATE” label on the “Plotter
Options” menu. Press the right or left arrow keys until the desired mode
appears. Press the EXIT key to erase the menu.
Plot Trails
Save Trail
The line extending from the present position is your
plot trail, or path you’ve taken. The unit automatically
saves the current plot trail in memory when you turn it
off. You can save four other trails in memory. To save
your current plot trail in a specific memory location,
choose “SAVE TRAIL” from the “Plotter Options” menu.
The screen shown at right appears. Highlight the de-
sired number that you wish to save the current trail,
(i.e. “Trail 1, Trail 2, etc.) and press the right arrow key.
Your current trail is saved. Press the EXIT key to erase
this menu.
View (Recall) Trail
Your current plot trail shows on the plotter by default.
To place a saved trail onto the plotter, choose “TRAILS
SHOWN” from the Plotter Options menu. The screen
shown at right appears. Highlight the desired trail on
this screen, then press the right arrow key to select it.
Press the EXIT key to erase this menu. The plot trail
you selected shows on the plotter.
Clear Trail
To erase the current plot trail from the screen, select Clear Trail from the
Plotter Options menu. A message appears, asking if you really want to
erase the plot trail. Follow the instructions on the screen. When the trail is
erased, the unit returns to the plotter screen.
Range Rings/Grid Lines
The plotter screen can be customized with rings that are 1/4 of the range
and/or grids that divide the plotter into equal segments of latitude and
longitude. From the Plotter Options menu, choose either Range Rings or
Grid and press the right arrow key to turn it on. A sample screen of each
type shows at the top of the next page.