Application Tools - Gemini 720i Product Manual

Seanet Pro Operation
1. Application Tools Clicking on the tools icon on the left of the Sonar Settings Bar will
open the Application Tools menu
2. Application On, Off, Pause This doubles as a pause button and a status indicator.
Clicking on the button will pause the signals from sonar to Seanet Pro and pause the
screen from refreshing. Green indicates normal operation, red indicates the sonar is
paused and yellow shows sonar data from a log replay.
3. Sonar Gain (RAT: C1) sets the sonar receive gain as required – typically this is around
20% - 50% but is varied according to water and target conditions and user preference.
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 7.4.
The Polar check box changes the output display co-ordinates from Polar (Range & Bearing)
format if enabled to Cartesian (X, Y) format if unchecked.
Document: 0685-SOM-00001, Issue: 11
Note
The popup menu can also be accessed by a right mouse button click on the
Sonar display.
59
Gemini Imaging Sonar
© Tritech International Ltd.