Map datum is a math model which depicts a part of the surface
of the earth. Latitude and longitude lines on a paper map are
referenced to a specific map datum.
1
Find out which map datum and position format was used
when the original waypoint was created.
If the original waypoint was taken from a map, there should
be a legend on the map that lists the map datum and position
format used to create that map. Most often this is found near
the map key.
2
Select
Settings
>
Units
.
3
Select the correct map datum and position format settings.
4
Create the waypoint again.
My device does not display the correct time
Time is set by GPS position and time zone setting.
1
Select
Settings
>
Units
>
Time Zone
.
2
Ensure the device has a GPS fix.
14
Appendix
