Basic Sonar Quick Reference

1.Mount the transducer and unit. Connect the unit to electric power and the transducer.

2.Launch your boat.

3.To turn on the unit, press and release MENU key.

4.Head for your fishing grounds. Your unit automatically displays digi- tal depth and surface water temperature in the corner of the screen.

The auto settings will track the bottom, displaying it in the lower por- tion of the screen. The full sonar chart will scroll from right to left, showing you what's under the boat as you cruise across the water.

5. As you're watching the sonar returns, you can change the display by:

Zoom in to enlarge the chart for more detail, or…

Zoom out to return to full chart mode.

Press MENU↑ENT to select which Zoom Mode you want to use.

6.If necessary, adjust sensitivity to improve chart readability. Press

MENUENT and the Sensitivity Menu will appear on the left of your screen. Use ↑ and ↓ to change the setting.

Boosting sensitivity will show more information on your screen, which may cause clutter. Reducing sensitivity will filter out some information, but could omit important images. We recommend adjusting sensitivity until the background is lightly "peppered" — that is, scattered dots ap- pear, but individual objects (like fish arches or bottom structure) can be easily picked out of the background.

7.Watch the display for the appearance of fish arches. When you see arches, you've found fish! Stop the boat and get your lure or bait into the water at the depth indicated on the sonar chart.

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Eagle Electronics 320C manual Basic Sonar Quick Reference
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320C specifications

Eagle Electronics has made significant strides in the world of marine electronics with the introduction of the Eagle Electronics 320C. This compact, feature-packed device is designed to cater to both novice and experienced anglers, providing them with the necessary tools to enhance their fishing experience.

One of the standout features of the Eagle 320C is its high-resolution color display. With a screen size of 3.5 inches, the unit exhibits a bright and vibrant backlit display, ensuring exceptional visibility even in bright sunlight. The 320C employs a user-friendly interface, allowing quick navigation through its various functions and settings.

The 320C is equipped with advanced sonar technology, featuring dual-frequency capabilities. This enables users to switch between 83 kHz for wider coverage and 200 kHz for more precise detail. This flexibility in frequency options allows anglers to target specific fish species and efficiently optimize their fishing strategies. The device also boasts a powerful 300-watt RMS power output, ensuring clear and accurate sonar readings down to depths of 600 feet.

Another important characteristic of the Eagle 320C is its ability to display detailed bathymetric maps. With built-in mapping capabilities, users can access contour mapping, which provides essential information about the underwater landscape. This feature is especially valuable for locating structures such as submerged rocks or vegetation, which are often prime habitats for fish.

In addition to sonar and mapping functions, the Eagle 320C also includes a variety of customizable settings. Users can personalize various aspects of the display, including color palettes, sensitivity, and sonar depth range to suit their preferences. This level of customization helps maximize the device’s effectiveness in diverse fishing conditions.

Moreover, the Eagle Electronics 320C is designed with durability in mind. It features a rugged, waterproof casing that is built to withstand harsh marine environments. This resilience ensures that the device can reliably face saltwater exposure, rain, and other challenging conditions commonly encountered while fishing.

Overall, the Eagle Electronics 320C is an exceptional tool for anglers seeking a comprehensive fishing solution. With its high-resolution color display, advanced sonar capabilities, detailed mapping functionalities, and customizable settings, the 320C provides a robust platform for enhancing fishing success, making it a valuable addition to any boat.
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