Lowrance electronic LCX-17M - Manual (Page 109)

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will deal only with functions and basic commands that make the Unit
do something. The unit will work fine for these lessons right out of the
box with the factory default settings. But, if you want to learn about
the various options, see Sec. 8, System Setup and GPS Setup Options.
You can access the Main Menu from any of the four Page screens by
pressing
MENU | MENU . To clear the menu screen and return to the page
display, press EXIT .
Main Menu.
The Main Menu commands and their functions are:
Screen command: changes the contrast or brightness of the display
screen.
Sounds command: enables or disables the sounds for key strokes and
alarms and sets the alarm style.
Alarms command: turns GPS or sonar alarms on or off and changes
alarm thresholds.
Route Planning command: used to plan, view or navigate a route.
My Trails command: shows, hides, creates and deletes plot trails. Also
used to navigate or backtrack a trail.
Cancel Navigation command: turns off the various navigation
commands. Used to stop navigating after you have reached your
destination waypoint, Point of Interest or map cursor location; or after
you reach the end of a route or trail.
Sonar Setup command: sets various sonar options.
GPS Setup command: sets various GPS receiver options.
System Setup command: sets general configuration options.
Sun/Moon Calculations command: finds the rising and setting time
of the sun and the moon.