Range Controls; Range And Bearing - Blueview BV5000 User Handbook Manual

Length Measurement
After clicking the length measurement icon in the toolbar, click the location
where you want to start the measurement. ProScan then draws a dotted line
between that point and the mouse cursor. Click a second time to freeze the
current measurement. A third click sets the starting point for a new measurement.
The length of the dotted line is displayed just to the left of the cursor location in
the lower right of the ProScan window. To clear the measurement line, press the
Measurement button a second time or right-click the mouse.

Range Controls

The sonar range sliders (along the left side of the ProScan window) allow you to
change both the start and stop range (both are measured in meters). The stop
range selects how far out the sonar is looking whereas the start range selects
where the sonar starts acquiring data. By using both controls you can zoom in on
a target. The range settings also control the data window that line data is derived
from, allowing a user to choose a specific zone to extract line data from.

Range and Bearing

The current range (meters) and bearing (degrees) of the cursor is displayed in
the lower right corner of the ProScan window.
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BlueView BV5000 User Handbook