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MaxSea Operator Manual version 12.6 - Furuno USA

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<strong>MaxSea</strong> <strong>Operator</strong> <strong>Manual</strong> <strong>version</strong> <strong>12.6</strong><br />

342<br />

4. Adjust the point of view centered on. This function is only available in historic mode.<br />

NavNet Layers<br />

NavNet Echo Sounder Overview<br />

The NavNet Echo Sounder determines the distance between its transducer and underwater objects such as fish, lake<br />

bottom or seabed and displays the results on screen. It does this by utilizing the fact that an ultrasonic wave transmitted<br />

through water travels at a nearly constant speed of 4800 feet (1500 meters) per second. When a sound wave strikes an<br />

underwater object such as fish or sea bottom, part of the sound wave is reflected back toward the source (transducer).<br />

Thus by calculating the time difference between the transmission of a sound wave and the reception of the reflected<br />

sound wave, the depth to the object can be determined. The NavNet Echogram overlay in the <strong>MaxSea</strong> depth Profile<br />

improves the overview of the depth profile.<br />

A series of snapshots are accumulated side by side across the screen, and the resulting are :<br />

1. Contours of the bottom are displayed<br />

2. Fish between the bottom and surface are displayed.<br />

3. Wreck can also be displayed<br />

4. Depth Evaluation and track down the dangerous zone areas for the navigation.<br />

5. Overview on water temperature data changes<br />

To learn more go to related topic :Depth Profile With <strong>MaxSea</strong> and NavNet Modes<br />

You will learn in this section :<br />

Setting up the Echo Sounder Display in the depth Profile window like<br />

• Gain level, Range or noise limiter<br />

• Switching between <strong>Manual</strong> or Automatic (cruising, fishing...) modes<br />

• Related topics: Sounder Toolbar and Option : Sounder...<br />

Choosing the transmission frequency between two modes:<br />

• HF echo signal or the LF echo signal<br />

• Related topic: Transmission frequency<br />

Overview of the Depth Profile<br />

• Show / Hide the Depth profile outline<br />

• Show / Hide the Forward Looking Depth Profile<br />

• Show /Hide the A-Scope<br />

• Show / Hide the Echogram<br />

• Show / Hide the Temperature Graph of Sea Surface<br />

Locate simultaneously the cursor along the Depth Profile graph and the track drawn on the chart. ( see also Related<br />

Topic: Locate your cursor.)

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