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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. 5, System Setup and GPS
Setup Options.
You can access the Main Menu from any of the three 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 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
(Available only in the GlobalMap 5500).
Alarms command: turns GPS 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 com-
mands. Used to stop navigating after you have reached your destina-
tion waypoint, Point of Interest or map cursor location; or after you
reach the end of a route or trail.
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.