43
show sonar signals on your screen. This unit will work fine right out of
the box with the factory default settings. But, if you want to learn
about the various sonar options, see Sec. 4,
Sonar Options & Other Fea-
tures.
(For general system setup and GPS 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
. (Remember, our text style for "
MENU
|
MENU
" means
"press the Menu key twice." See a full explanation of our instruction
text formatting on page 10,
Instructions = Menu Sequences
.)
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, 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.
Sonar Setup
command: sets various sonar options.
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