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GPSMAP
®
4000/5000 Series Owner’s Manual 17
Using Charts
Using
Charts
The Fishing chart uses detailed bathymetric data on a preprogrammed BlueChart g2 Vision SD card,
and is best for offshore deep-sea shing.
Enabling High-Resolution Satellite Imagery
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.
To enable satellite imagery:
1. While viewing the Navigation chart, select Menu.
2. Select Chart Setup > Photos.
3. Select one of the following:
Off—standard chart information is shown on the map.
Land Only—standard chart information is shown on water with photos overlaying the land.
Photo Map—photos overlay both the water and the land at a specied opacity. The higher
you set the percentage of opacity, 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 RANGE
(+) key (GPSMAP 4000 series) or touch (GPSMAP 5000 series). You can also try setting the detail
level higher.
Blend at 50%
Blend at 100%
Photo Overlay Off Land Only Photo Overlay
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