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How to mount the sonar unit, including bracket placement and cable routing.
Instructions for connecting the sonar unit to a 12-volt battery system, including fuse requirements.
Explains compatible speed and temperature sensors and their usage.
General information and considerations for installing the sonar transducer, covering different types.
Guidelines for selecting the optimal location for transducer mounting on the hull.
Compares shoot-thru-hull and transom mounting methods for the 20° transducer.
Step-by-step guide for assembling and mounting the 20° transducer on a transom.
Detailed instructions for installing the 20° transducer using the shoot-thru-hull method.
Specific instructions for installing the 8° transducer, designed for transom mounting only.
Steps for assembling the 8° transducer, focusing on angle adjustment ratchets.
Guidance on selecting the proper transom location for the 8° transducer.
Overview of the sonar unit's keyboard layout and the function of each key.
Instructions on how to turn the sonar unit on/off and control its lights.
Explanation of how to navigate and use the unit's menu system for customization.
How to activate and use the 50 kHz sonar frequency with the optional SAM-50HPD.
Describes the five different operational modes of the sonar unit.
Explains Automatic mode and how to switch to manual for sensitivity, range, and other settings.
Details how to adjust the unit's sensitivity to optimize echo reception and display detail.
Describes Automatic and Manual Ranging features for controlling depth display.
Instructions on setting upper and lower depth limits to zoom into specific water ranges.
Explains how to use the zoom feature to enlarge detail and fish signals on the display.
Describes the Grayline feature for distinguishing between strong and weak echoes to identify bottom hardness.
Instructions on adjusting the chart speed, which controls how fast echoes scroll across the screen.
Explains the Fish ID feature, which identifies and displays fish targets with symbols.
How to customize the chart screen and use the chart cursor for pinpointing depths.
Details the digital sonar display, its frequency, and how to turn it on/off or change frequency.
Overview of the sonar unit's different alarm types: Fish, Zone, and Depth.
Accesses various system configuration and adjustment menus.
Adjusts display contrast, speaker settings, and backlight intensity.
Allows changing units for depth, speed, distance, and temperature.
Calibrates the depth reading by accounting for transducer depth below the surface.
Calibrates the speed display when an optional speed sensor is connected.
Steps to diagnose and fix issues where the unit fails to power on.
Troubleshooting steps for the unit freezing, locking up, or behaving erratically.
Solutions for poor bottom echoes, erratic digital readings, or lack of fish signals.
Discusses electrical noise as a cause of sonar problems and methods to identify and minimize it.
Information for Canadian customers on how to obtain service and support for the product.
Information for international customers on how to obtain service and support for the product.
Recommendations for shipping products for repair and ordering accessories.
Instructions for U.S. customers on how to contact Lowrance for warranty service and repairs.
Information for ordering accessories for U.S. customers, including contact details for LEI Extras.
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