The GPS 45 Menu Page provides access to sub-
menu pages that are used to select and customize
operation and navigation setup. The 11 submenus
are divided into categories by function. The way-
point and route management submenus are dis-
cussed in their own respective sections. We’ll now
address the rest of the submenus in the order they
appear on the Menu Page. To select a submenu
page from the Menu Page:
1. Highlight the submenu page you want to view.
2. Press the
E
key to display the submenu page.
3. To return to the Menu Page, press the
P
key.
The distance and sun calculation page will give
you the distance and bearing between any two way-
points and calculate the sunrise and sunset (in local
time) at a destination waypoint for a particular date.
To perform a distance and sun calculation:
1. Highlight the ‘from’ field and enter the desired
waypoint. Press
E
to move to the next field.
2. Highlight the ‘to’ field and enter the destination
waypoint. Press the
E
key to calculate the
range and bearing to the destination waypoint.
3. Highlight the ‘date’ field and enter the date for
your destination. Press the
E
key to display
the sun information.
The messages page displays all current messages
in the GPS 45. There are two types of messages:
temporary alerts (eg. approaching a waypoint) and
condition alerts (eg. battery power is low). All mes-
sages are initially indicated by a flashing on-screen
indicator. After a temporary alert has been viewed,
it is cleared from the message page. Condition alerts
are displayed on the messages page until the condi-
tion has been resolved. To view the messages page:
1. Move the field highlight to the ‘messages’ field
and press
P
.
See appendix B for a complete list of messages.
37
Reference
Sun Calculation
and Messages
45 manual Rev. B 8/4/98 11:10 AM Page 37
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