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 MENUMENU. To clear the menu screen and return to the page display, press EXIT.
Main Menu (left) with Browse MMC Files selected (right).
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.
Transparency command: adjusts the level of transparency for menus.
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.
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