Humminbird has built its reputation by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird does require repairs, we offer an exclusive Service Guarantee - free of charge during the first year after purchase, and available at a reasonable rate after the one-year period. Complete details are included at the end of this manual. We encourage you to read this operations manual carefully in order to get full benefit from all the features and uses of your Humminbird product. Also, to register your purchase and help us learn more about you, please fill out the warranty registration card at the back of this manual. WARNING! This device should not be used as a navigational aid to prevent collision, grounding, boat damage, or personal injury. When the boat is moving, water depth may change too quickly to allow time for you to react. Always operate the boat at very slow speeds if you suspect shallow water or submerged objects. WWW.HUMMINBIRD.COM TABLE OF CONTENTS INSTALLATION PREPARATION. . . . . . . . . . . . . . . . . . . . . . . 2 Parts Supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . 2 Alternative Transducers and Mounting Methods. . . . . . 4 Transducer Exchange . . . . . . . . . . . . . . . . . . . . . . . . . 5 USING THE 150SX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 How Sonar Works . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Simulator Operation. . . . . . . . . . . . . . . . . . . . . . . . . . 6 What You See On Screen . . . . . . . . . . . . . . . . . . . . . . 8 Control Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Menu Functions. . . . . . . . . . . . . . . . . . . . . . . . . 12 ADVANCED FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Using Diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 MAINTENANCE AND WARRANTY . . . . . . . . . . . . . . . . . . 22 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Rev. 10522E INSTALLATION PREPARATION PARTS SUPPLIED PARTS SUPPLIED Before installing your 150SX, please ensure the following parts are included in the box: • 150sx fish finder • 6 ft (2m) power cable • transducer with 20ft (6m) of cable • operations manual • transducer mounting hardware kit • installation sheet • mounting system and mounting • publications kit hardware kit If any of these items is missing, contact your local distributor. ACCESSORIES Humminbird offers a wide assortment of accessories that complement and expand the capability of your new 150SX. These accessories are designed with the same high standards and are backed by the same one-year warranty. The Humminbird Accessory catalog included with your unit contains descriptions of the many accessories available and ordering information. All Humminbird accessories are available through your full- service Humminbird dealer or factory direct through our number listed in the Customer Support section. INSTALLATION OVERVIEW The 150SX consists of two primary components to install: the control head and the transducer. The control head contains the sonar transmit and receive circuitry, as well as the user controls and display. It should be installed in a location that provides access to the controls and visibility while in use. The control head mounts on a quick disconnect mounting system that swivels and tilts providing flexibility for viewing from almost anywhere on the boat. The transducer converts electrical energy from the transmitter into mechanical pulses or sound waves. The transducer also receives the reflected sound waves and converts them back into electrical signals for display on the control head. It should be installed in contact with the INSTALLATION PREPARATION INSTALLATION OVERVIEW surface of the water in an area that has smooth water flow - usually on the transom of the boat. There are several mounting options for the transducer. Review the following section to determine the method that works for you and your boat. Determining How to Mount the Transducer The 150SX includes a model XHS-6-24 transducer. This transducer can be mounted on the transom of the boat, or bonded to the inside of a fiberglass hull boat. The transom installation, which is the most widely used, places the transducer on the outside of the boat hull. This technique produces the least signal loss, and provides a way to adjust the transducer ...