Garmin gpsmap 4008 User Manual

Using Charts

You can overlay high-resolution satellite images on the land, the sea, or both portions of the 

Navigation chart when using a preprogrammed BlueChart g2 Vision SD card. 

1.  While viewing the 

, press 

.

2.  Select 

 > 

 > 

.

3.  Select one of the following:

—standard chart information is shown on the map.

—standard chart information is shown on water with photos overlaying the land.

—photos overlay both the water and the land at a specified opacity. The higher you set 

the percentage, the more the satellite photos will cover both land and water.

  NOtE: When enabled, the high-resolution satellite images are present only at lower zoom levels. If you 

cannot see the high-resolution images in your BlueChart g2 Vision region, zoom in using the 

 key (GPSMAP 4000 series) or touch the   key (GPSMAP 5000 series), or set the detail level 

higher.