44 AQUAMAP™ 10x2/12x2 SERIES• To lock the screen to the water bottom, select Bottom Lock.• To lock the screen to a specific depth and range, select Shift Zoom.• To cancel the zoom, select No Zoom.AutoAuto zoom is similar to Bottom Lock but displays a magnified view of thebottom and bottom fish in the set zoom range. The Auto mode is good fordetermining the bottom contour. It allows you to change the depth rangeabove the bottom and the zoom ratio while always showing the water bottom.From a sonar screen select MENU > ZOOM > Set Zoom > Auto.Bottom LockYou can lock the screen to the water bottom. For example, if you select aspan of 20 meters, the device shows an area from the water bottom to 20meters above the bottom. It is useful for detecting fish close to the bottom.The span appears on the right side.1 From a sonar view, select MENU > ZOOM > Bottom Lock.2 Select or to adjust the span above the bottom.3 Select Adjust > Bottom and select or to manually adjust thebottom level.Shift ZoomThis is a unique sonar zoom technology from Garmin. It displays the selecteddepth and range of sonar to fill the screen in more accuracy and detail. Inthe Shift Zoom mode the fishfinder CPU only processes the sonar signalsreceived from the selected depth range. You can set the zoom manually.1 From a sonar screen select MENU > ZOOM > Shift Zoom.2 Select or to adjust the shift, AQUAMAP automatically zooms in orout to fill the screen.3 Select Off to set shift to 0 m.Target ExpansionIn a traditional, ClearVü, or SideVü sonar view, you can manually zoom inand out to an area of interest using the arrow keys and the knob.1 From a traditional, ClearVü, or SideVü sonar view, move the cursor to thetarget area using the arrow keys.2 Zoom in and out on the cursor by turning the knob.Adjusting the Range of the Depth or Width ScaleYou can adjust the range of the depth scale traditional and ClearVü sonarviews and the range of the width scale for the SideVü sonar view.Allowing the device to adjust the range automatically keeps the bottom withinthe lower or outer third of the sonar screen, and can be useful for tracking abottom that has minimal or moderate terrain changes.Manually adjusting the range enables you to view a specified range, whichcan be useful for tracking a bottom that has large terrain changes, such as adrop-offs or cliffs. The bottom can appear on the screen as long as it appearswithin the range you have set.1 From an applicable sonar view, select MENU > Range.2 Select an option:
