Garmin NavTalk NavTalk GSM Owner's Manual page 86

Section 4
Section 4
GPS Navigation
Map Navigator Page Options
Show on Map
Option Check Box
MapSource Info Page
This option is
only available
while the
"Calculating
Route" widow is
displayed.
Calculating a Route
76
MapSource Info - The 'MapSource Info' option allows you to view the
various maps loaded onto the unit By highlighting a MapSource title
and pressing ENTER you can activate or deactivate that map data.
When using MapSource maps, there is a hierarchy that determines
which map is displayed when geographical features on more than one
map overlap each other. Refer to page 110 for detailed information
about this subject.
MapSource Info will be grayed if there are no recognizable maps
loaded, or an unlock code is required to open the map.
Stop Calculating - This option is available when a route is being
calculated. Choose this option if you no longer want to navigate to a
destination or if you have chosen a destination that is very difficult for
the unit to create a route to. When this occurs, a recalculating message
will be repeatedly displayed until an insufficient data message displays.