The last function available from the GPS 165’s NAV Menu 2 is the sunrise/sunsetcalculation, which will give you the sunrise and sunset times for any user or data-base waypoint, or your present position.To calculate sunrise and sunset at a waypoint or your present position:1. Press C and rotate O to highlight ‘Sunrise?’. Press E.2. Use K and O to enter the waypoint identifier, or leave blank to use your currentposition. Press E.3. Press E to accept the waypoint confirmation page, if necessary.4. Use K and O to enter the desired date.5. Press E and the sunrise and sunset times will be calculated and displayed. The timeswill be displayed in your local time or UTC time, whichever is specified from the clockfunction on NAV Menu 2.22NAV KEYNAV Menu 2/Sunset PlanningSunrise and sunset calculated for the selectedwaypoint on the specified date.Sunrise/Sunset Page