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The Wide 128 fish finder by Humminbird is a legacy model that's simpler in design and functionality than other models from the 100 through 900 Series fish finders. The Wide 128 comes with a transducer and head control. The transducer mounts below the boat, on the hull, keel, or transom and the head control mounts inside the boat, displaying the information gathered by the transducer. Because the Wide 128 doesn't offer multiple views, way-pointing or other advanced features of the other models, using the device is a relatively simple process that takes just a few minutes to learn.
Items you will need
Humminbird fish finder Wide 128
Select the simulator feature on your control head by pressing and holding the "Power" button for three seconds. Entering the simulator on the Wide128 lets you learn how it works without actually wasting time on the water when you could be fishing.
Interpret the on-screen information that appears in simulator mode. The on-screen information includes the ocean bottom, objects not attached to the bottom such as fish or thermoclines, which are sudden changes in water temperature, and statistics attached to different objects. The largest number on screen represents the depth to the ocean floor below the boat. The other numbers attached to the fish images represent the vertical distance from the ocean surface to the fish.
Press the "Menu" button and the Up or Down arrows to scroll through the menu options, including sonar sensitivity, depth alarm and fish alarm. Turn on the alarms to receive a signal when the ocean floor has reached a certain depth or a certain number of fish are detected. Change the sonar sensitivity to increase or decrease the sensitivity of the sonar signal.
Scroll through the menu options to Simulator in order to deselect the Simulator Mode. This action takes you out of Simulator Mode so that on-screen information comes from sonar signals of what's really below the boat.