Humminbird 120 manual Step Four Mount the Transducer to the Transom

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INSTALLATION

TRANSOM INSTALLATION

Step Four - Mount the Transducer to the Transom

1.Apply silicone sealant to the mounting holes drilled into the transom.

2.Align the transducer assembly with the drilled holes in the transom (Figure 8).

3.Use either a flat head screwdriver, a 5/16" (8mm) hex driver, or a 5/16" (8mm) socket to mount the assembly. Using the two #10 – 1”

(25mm) long slotted hex head screws, mount the transducer assembly to the transom as shown. Do not fully tighten the mounting screws in order to vertically adjust the transducer. Snap the pivot down into place.

Step Five - Adjust the Running Position of the Transducer

The bracket allows height and tilt adjustment, the pivot screws allow angular adjustment. Initially, adjust the transducer as described in the following paragraphs. Further adjustment may be necessary to refine the instillation after high speed testing.

1.First adjust the pivot angle of the transducer body so its length is parallel with the length of hull of the boat. Then pivot the transducer down so the rear is about 1/4 inch (6mm) lower than the front (Figure 9).

2.Fully tighten the two pivot screws using the Allen wrenches. It may be necessary to retighten the pivot screws after the initial use as the plastics may still be seating to the lock washers.

3.Adjust the height of the assembly so the face of the transducer is 3/16" (4.5mm) beneath the lower edge of the transom (Figure 10). Mark the position of the mounting bracket on the transom with a pencil.

4.Force the pivot to the up position to gain access to the mounting screws. Assure the transducer location has not changed, then fully tighten the two mounting screws (Figure 11). Snap the pivot back down.

Confirm the pivot angle has not changed.

Note: A third screw location is provided for the

mounting bracket. Drill this hole and install the screw after final testing and adjustments have been completed.

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Contents Page Table of Contents Accessories Installation PreparationInstallation Overview Parts SuppliedDetermining How to Mount the Transducer Portable Mounting Alternate Transducers and Mounting MethodsTrolling Motor Mounting Thru-Hull MountingTransducer Exchange Beginning InstallationInstallation Transom InstallationStep One Determine Where to Mount the Transducer Step Three Assemble the Transducer Step Two Drill the Mounting HolesStep Four Mount the Transducer to the Transom Step Five Adjust the Running Position of the TransducerStep Six Route the Cable Inside the Hull Installation Step One Determine the Mounting LocationStep Two Test the Mounting Location Step Three Permanently Mount the Transducer Control Head Installation Step One Determine Where to MountStep Two Connect the Power Cable to the Boat Step Four Run the Cables Step Three Drill the Mounting HolesYour Humminbird is now ready for operation Step Five Assembling the Connector HolderTest the Installation Thank YOU Thank YOUHOW Sonar Works Using the Platinum IDUsing the Platinum ID Platinum ID Features Operating the Platinum ID Using the BUILT-IN SimulatorPlatinum ID Functions Using the Platinum ID Factory Setting MPH/SM Factory Setting Fish SymbolsSelecting Sensitivity Factory Setting +0 Enabling Fish Alarm Factory Setting OFF Factory Setting One level below maximum Using Bottom-Lock Factory Setting OFFFactory Setting OFF Factory Setting on AutomaticSpecifications Maintenance Maintenance and WarrantyTroubleshooting Nothing happens when I turn the unit onThere is no transducer detected There is no bottom reading visible on the display My unit loses power at high speeds Unit comes on before I press POWER, and wont turn offGet gaps in the reading at high speeds Screen begins to fadeout. Images are not as sharp as normalHumminbird ONE Year Full Warranty Service Policy Customer Support

120 specifications

The Humminbird 120 is a pioneering fish finder that has gained recognition among anglers for its exceptional performance and user-friendly features. Designed with cutting-edge technology, this device offers a comprehensive suite of features that enhance fishing experiences on the water.

At the heart of the Humminbird 120 is its advanced sonar technology, which allows users to see fish and underwater structures with remarkable clarity. Equipped with dual-beam sonar, the device provides two different cone angles. The narrow beam offers high precision for locating specific targets, while the wide beam covers a larger area, making it easier to locate schools of fish.

One of the standout features of the Humminbird 120 is its easy-to-read display. The unit features a large, high-contrast screen with multiple color options, allowing users to customize their viewing experience. This clarity is essential, especially in bright sunlight or varying light conditions, ensuring that important information is visible at a glance.

In addition to fish identification, the Humminbird 120 packs a range of features designed to help anglers navigate their environment effectively. It includes advanced mapping capabilities, enabling users to create depth contours and view detailed underwater topography. This is particularly beneficial for identifying potential fishing hotspots and understanding the structure of the lake or riverbed.

The device also supports features such as temperature readings, which can be essential for understanding fish behavior and optimizing fishing strategies. The integrated GPS functionality further enhances usability by allowing users to mark waypoints, navigate through previously mapped areas, and avoid potential hazards while on the water.

Another practical aspect of the Humminbird 120 is its ease of installation and setup. Whether you have a small boat or a larger vessel, the device can be easily mounted and configured. The intuitive interface ensures quick access to functions, making it an excellent choice for both novice and experienced anglers alike.

Durability is also key in the design of the Humminbird 120. Built to withstand the rigors of regular use, the device is water-resistant and designed for various environmental conditions.

In summary, the Humminbird 120 combines advanced sonar technology, a clear display, effective mapping tools, and robust durability, making it a valuable asset for any angler looking to enhance their fishing experience. Whether you are searching for fish or exploring underwater terrain, the Humminbird 120 delivers reliability and performance on the water.
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