Garmin GPSMAP 421/421s Owner's Manual - Page 24
Enabling High Resolution Satellite Imagery, Tracks, Other Vessels, and Data Bars
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Using Charts The Fishing chart uses detailed bathymetric data on a preprogrammed BlueChart g2 Vision SD card, and is best for offshore deep-sea fishing. From the Home screen, select Charts > Fishing Chart. To access additional settings or options from the Fishing chart, press MENU. Navaids-displays navigational aids, such as beacons, lights, and obstructions. For settings and options related to Full Screen Map, Waypoints & Tracks, Other Vessels, and Data Bars, see "Navigation Chart Menu" on page 8. To customize the appearance of the Fishing Chart screen, select MENU > Chart Setup (page 11). Enabling High Resolution Satellite Imagery You can overlay high-resolution satellite images on the land, 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, press 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. • On-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. 18 GPSMAP 400/500 Series Owner's Manual