Understanding the On-screen Images

As the boat moves, terrain and bottom composition variations are displayed on-screen. Fish, bait fish and thermoclines (under- water temperature changes) are displayed when detected. Underwater conditions vary greatly, so some experience and interpretation is needed to realize all the benefits of the Piranha

–use the picture below as a guide to the most common condi- tions and practice using the Piranha over known bottom types.

Water Surface Line

Depth – Measured at the Transducer

Thermocline

Fish ID

Bait fish

Structure

Rocky Bottom Depth Contour Soft Bottom Hard Bottom

Accessing Menu Features

A simple menu system accesses Piranha’s adjustable features. To activate the menu system, press POWER-MENU and a menu appears. Press POWER-MENU repeatedly to access other Piranha menus one at a time. When a menu is on the display, use the right and left arrow keys to adjust the menu. Menus automatical- ly are removed from the screen after several seconds.

Note: Each time POWER-MENU is pressed, the backlight momentarily illuminates for easy viewing at night. Adjust the Light menu setting to keep the light on.

Note: If Simulator Mode is selected from the Startup Menu and a transducer is plugged in, menu settings are saved in memory. Menu settings are not saved from Simulator mode without a transducer connected.

Menu Title

Setting

Button Changes

A button has no function when the menu arrow is not displayed.

Light

(Setting Saved in Memory, Defaults to OFF)

Press POWER-MENU until the

LIGHT menu appears. Select either OFF, LOW or HIGH to activate the backlight at the desired level.

Note: Continuous backlight operation significantly decreases battery life on Piranha Portables.

Sensitivity

(Setting Saved in Memory, Defaults to OFF)

Press POWER-MENU until the

SENSITIVITY menu appears. Select a higher number to show smaller sonar returns on-screen, or a lower number to remove clutter from the screen. Adjusting Sensitivity also affects how sonar returns are identified as Fish ID Symbols - more fish will be detected at a higher setting, fewer at a lower setting. 5 is the Factory Setting.

Low Sensitivity

Normal Sensitivity

High Sensitivity

Depth Range Menu

(Setting Saved in Memory, Defaults to OFF)

Press POWER-MENU until the

Depth Range menu appears. Select AUTO to have the Piranha automatically select the Depth Range or manually select 15, 30, 60, 120, 180, or 240 ft. for Piranha 1 and, in addition 360, 480 or 600 ft. for Piranha 2. This locks the depth range to a specific setting.

Note: In manual operation, if the depth is greater than the depth range setting, the bottom will not be visible on- screen. Select AUTO to return to automatic operation.

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Humminbird 2, 1 manual Understanding the On-screen Images, Accessing Menu Features, Light, Sensitivity, Depth Range Menu
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1, 2 specifications

The Humminbird 2.1 is a cutting-edge fish finder that showcases the latest advancements in sonar technology, designed for passionate anglers seeking unparalleled performance on the water. This device boasts a range of remarkable features, making it an essential tool for both novice and expert fishermen.

One of the standout characteristics of the Humminbird 2.1 is its high-resolution display. The easy-to-read screen provides crystal-clear images, making it simple to differentiate between fish and underwater structures. The device incorporates a user-friendly interface, allowing for quick navigation through the various settings and features, ensuring that users can spend more time fishing and less time troubleshooting.

The Humminbird 2.1 utilizes advanced Dual Spectrum CHIRP sonar technology, which provides enhanced imaging and target separation. This innovative sonar system enables anglers to see fish in stunning detail, even in challenging water conditions. By delivering clearer and more precise sonar readings, users can easily identify fish species, depth, and underwater terrain, increasing the likelihood of a successful catch.

In addition to the CHIRP technology, the Humminbird 2.1 comes equipped with MEGA Side Imaging and MEGA Down Imaging capabilities. This technology allows anglers to obtain an expansive view of the underwater environment, providing detailed images to the side and directly beneath the boat. It gives the user a comprehensive understanding of the structures present, helping to locate hotspots where fish are likely to congregate.

The device also includes GPS capabilities with built-in mapping and waypoint marking features, allowing users to navigate with confidence. Anglers can create custom maps of their favorite fishing spots, saving time and effort in relocation. With Humminbird’s AutoChart Live feature, users can map uncharted waters in real-time, giving them the advantage in selecting the best fishing areas.

Durability and portability are also key characteristics of the Humminbird 2.1. Designed to withstand harsh marine environments, it is water-resistant and built to last, making it suitable for various fishing conditions. Its compact design allows for easy installation on different types of boats.

In conclusion, the Humminbird 2.1 is a powerful and versatile fish finder that combines advanced sonar technologies, user-friendly features, and robust design. Its high-resolution display, MEGA imaging capabilities, and integrated GPS functionality make it a must-have tool for anglers looking to enhance their fishing experience. Whether on freshwater lakes or coastal waters, the Humminbird 2.1 promises to elevate an angler's success on the water.
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