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Menu Page
The GPSCOM 170 menu page provides access to sub-
menu pages that are used to select and customize opera-
tion and navigation setup. The 11 submenus are divided
into categories by function. The waypoint and route man-
agement submenus are discussed 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 and
press
E
to display the submenu page.
2. To return to the menu page, press
Q
.
Distance and Sun Calculations
The distance and sun calculation page will give you
the distance and bearing between any two waypoints and
will 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 way-
point. Press
E
to move to the next field.
2. Highlight the ‘to’ field and enter the destination way-
point. Press
E
to calculate the range and bearing
to the destination waypoint.
3. Highlight the ‘date’ field and enter the date for your
destination. Press
E
to display the sun
information.
Message Page
The message page displays all current messages in the
GPSCOM 170. There are two types of messages: tempo-
rary alerts (eg., approaching a waypoint) and condition
alerts (eg., battery power is low). All messages are initial-
ly indicated by a flashing on-screen box. After a tempo-
rary alert has been viewed, it is cleared. Condition alerts
are displayed on the message page until the condition is
resolved. See Appendix E for a complete list of messages.
To view the message page:
1. Highlight the ‘MESSAGES’ field and press
E
.
Menu Page
Reference
56
Menu Page
To select a submenu, use the
UP and DOWN keys to
highlight a menu option and
press ENTER.
Dis/Sun Calculation
The unit will calculate the
sunrise and sunset times of
any stored waypoint or your
present position. To calcu-
late, enter the date and year
and press ENTER.
170 manual pages rev D 9/21/98 9:23 AM Page 56