Garmin GPSMAP 4208 - Page 51

GPSMAP 4000 Series Owner’s Manual 47
uSInG Sonar
USinG
Sonar
magnied area.
4x Zoom—four times the magnication. Select Up, Down, or Auto to set the depth range of the
magnied area.
Bottom Lock—locks the zoom window to the bottom. Select Up, Down, or Auto to set the
depth range of the magnied area.
Depth Line—quickly reference a specic depth (On or Off). When On is selected, press up or
down on the ROCKER to set the depth of the reference line.
A-Scope—creates a vertical asher along the right side of the screen (On or Off).
Sonar Setup—opens the Sonar Setup screen. See page 46.
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