Shift Zoom; Auto - Garmin GPSmap 585 Plus Owner's Manual

Digital Zoom
Digital zoom magnifies the image after it is captured by sonar. It expands a
chosen area of the sonar picture to vertically fill the left-side of the screen.
You can set the zoom manually.
1 From a sonar screen select RANGE/ZOOM > Digital Zoom.
2 Select or to select between Zoom and Depth.
3 Select
and to adjust the value.
Magnified view

Shift Zoom

This is a unique sonar zoom technology from Garmin. It displays the selected
depth and range of sonar to fill the left-side of the screen in more accuracy
and detail. In the Shift Zoom mode the fishfinder CPU only processes the
sonar signals received from the selected depth range. You can set the zoom
manually.
1 From a sonar screen select RANGE/ZOOM > Shift Zoom.
2 Select or to select Range or Depth.
3 Select and to adjust the value.
GPSMAP 585 Plus
®
Adjust the zoom ratio
Adjust the depth level

Auto

Auto zoom is similar to Bottom Lock but displays a magnified view on the
left-side of the screen of the bottom and bottom fish in the set zoom range.
The Auto mode is good for determining the bottom contour. It allows you to
change the depth range above the bottom and the zoom ratio while always
Digital Zoom range
showing the water bottom.
1 From a sonar screen select RANGE/ZOOM > Auto.
2 Select
Magnified view
and or and to adjust the zoom range.
Magnified View
Adjust the zoom range
Adjust the depth level
Shift Zoom range
Adjust the zoom range
Selected zoom range
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