Lowrance electronic GlobalMap 4800M GPS Receiver User Manual


 
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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 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.
Trip Calculator command: shows trip status and statistics.
Timers command: controls the up timer, down timer and alarm clock
settings.
Browse MMC Files command: this allows you to view the installed
MMC card and the files it contains.
Pages
The unit has three Pages that represent the three major operating modes.
They are the Satellite Status Page, the Navigation Page and the Map