GPSMAP 640 Owner’s Manual
Marine Mode: Using Charts
To enable satellite imagery:
1. While viewing the Navigation chart, touch
Menu
>
Navigation
Chart Setup
>
Photos
.
2. Touch 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 Blend
—photos overlay both the water and
the land at a specified opacity. The higher you set the
percentage, the more the satellite photos cover both water
and land.
When enabled, the high resolution satellite images are only present
at lower zoom levels. If you cannot see the high resolution images
in your BlueChart g2 Vision region, zoom in by touching , or
set the detail level higher by touching
Menu
>
Navigation Chart
Setup
>
Chart appearance
>
Detail
.
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Содержание GPSMAP 640
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