Interphase 20/20 User Manual

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Interphase 20/20 Specifications

General

Brand	Interphase
Model	20/20
Category	Marine Equipment
Language	English

Summary

Principle of Operation

To Our Customer

Thank you message and request for feedback.

Understanding Sonar Technology

Explains how the depth sounder uses sonar to measure distances.

Installation and Setup

Main Unit Mounting Guidelines

Advice on selecting a suitable location for the main unit.

Power Supply Connection

Instructions for connecting the unit to the boat's 12 VDC power.

Wiring Connectors Guide

Details on pin-out sequences for power and transducer cables.

Transducer Installation

Transducer Location Considerations

Guidance on optimal placement to avoid turbulence and noise.

Transom Mount Transducer Setup

Step-by-step instructions for installing a transom mount transducer.

Thru-Hull Transducer Installation

Thru-Hull Transducer Benefits

Advantages of thru-hull mounting for performance.

Bronze Thru-Hull Triducer Setup

Instructions for installing a bronze thru-hull triducer.

Operating the 20/20

Powering On and Adjusting Brightness

How to turn the unit on and control display brightness.

Navigating the Opening Menu

Overview of the initial menu options and modes.

Changing Display Units

Selecting between US, METRIC, and NAUTICAL measurement units.

Operation Modes and Controls

Simulation and Demo Mode Usage

Learning features through simulation and demonstration.

Adjusting Gain Sensitivity

How to optimize receiver sensitivity for clear displays.

Modifying Depth Range Settings

Steps to select different depth ranges for viewing.

Advanced Display Features

Using the Split-Screen Zoom

Magnifying specific depth segments for detailed inspection.

Implementing Bottom Lock

Enhancing target visibility near the bottom.

Configuring the Alarm System

Setting up audible alarms for fish or shallow conditions.

Data Display and Special Menus

Viewing Digital and Graphic Data

Understanding data formats and split-screen displays.

Accessing Enhanced Features Menu

Navigating the menu for advanced functions.

Specific Enhanced Features

Fish Alert Functionality

Identifying fish with symbolic representation on the display.

Enhance Display Mode

Improving bottom clarity for better object detection.

Grid Lines and Log Reset

Controlling grid display and resetting the distance log.

Interpreting the 20/20 Display

Understanding Display Brightness and Echoes

How echo strengths influence display brightness and appearance.

Acoustic Signal Path and Display

How sound travels and is represented on the screen.

Maintenance and Troubleshooting

Transducer Cone Angle and Frequency

Details on transducer coverage and operating frequencies.

Routine Maintenance Procedures

Tips for keeping the unit and transducer in good condition.

Troubleshooting Common Issues

Solutions for problems like unit not turning on or no signal.

Interference and System Specs

Identifying and Resolving Interference

Common sources of interference and methods to eliminate them.

Detailed System Specifications

Technical data including frequencies, ranges, and power.

Product Specifications and Warranty

Standard Equipment Included

List of items included with the display unit and transducers.

Limited Warranty Details

Information on warranty coverage, limitations, and exclusions.