Advanced Map Settings
From the map, select MENU > Setup Map > Advanced Map Setup.
Auto Zoom: Enables the device to automatically select the zoom level for optimal use of your map. When the Off option is selected, you must zoom in or out manually.
Select User Waypoint Zoom Level: Sets the zoom level at which waypoints appear on the map. Waypoints do not appear when the map zoom level is higher than the selected level.
Select User Waypoint Text Size: Sets the text size for waypoints on the map.