Application Tools - Gemini 720is Product Manual

Seanet Pro Operation
4. Range (C3) sets the maximum range the sonar will scan. Long ranges are scanned more
slowly than short ranges due to the limit imposed by the velocity of sound in water.
5. Scanned Area Indicator indicates, in the colour red, the size and position of the scan
sector. This control will always indicate a fixed, forward 120° sector for the Gemini Sonar
(or 130° for Gemini Narrow Beam Imager).
6. Sonar Tx Frequency This is acoustic Transmit Frequency of the currently connected
Gemini Sonar.
7. Selected Sonar Use this option to select the sonar ID to display on the main screen,
the drop-down list will display the ID of all the Gemini sonars currently connected.

7.2.2. Application Tools

Click on the Tools icon on the left of the Sonar Settings Bar to open the popup menu which
includes all the Application Tools for the Gemini Sonar.
Cursor
Adds the cursor position panel to the sonar display.
Figure 7.1.
The Polar check box changes the output display co-ordinates from Polar (Range & Bearing)
format if enabled to Cartesian (X, Y) format if unchecked.
Markers
Figure 7.2.
Document: 0703-SOM-00002, Issue: 1
Note
The popup menu can also be accessed by a right mouse button click on the
Sonar display.
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Gemini 720is Imaging Sonar
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