Raymarine DSM250 User Manual

DSM250
Digital Sounder
Module
Owner’s
Handbook
Document number: 81211_1
Date: December 2002

Raymarine DSM250 Specifications

General

Type	Digital Sounder Module
Frequency	50/200 kHz
Transducer Frequency	50/200 kHz
Depth Capability	3000 ft
Power Supply	12-24V DC
Depth Range	3000ft
Weight	0.5 kg
Dimensions	239 x 181 x 69 mm
Power Output	500 W
Input Voltage	12-24V DC
Operating Temperature	14°F to 131°F (-10°C to 55°C)

Summary

Chapter 2: Installation

2.3 Selecting the Equipment Location

Guides on choosing the optimal mounting location for the sounder module.

2.4 Cable Runs

Outlines considerations for properly routing system cables.

2.5 Mounting the Sounder Module

2.6 System Connections

Details the rear panel connectors and their functions for system integration.

Chapter 4: System Setup

4.2 Changing the Set Up Parameters

4.3 System Set Up Parameters

Lists and describes parameters for system configuration and personal preferences.

4.4 Sonar Set Up Parameters

Lists and describes parameters specific to sounder module display configuration.

Chapter 6: Sonar Mode Operation

6.2 Interpreting and Adjusting the Sounder Image

Details how to read sonar images, adjust gain, and understand fish/bottom indications.

6.3 Using VRM to Determine Depth & Distance from Vessel

6.4 Waypoints

6.5 MOB

Chapter 7: Maintenance and Problem Solving

7.1 Maintenance

Provides information on routine maintenance, cleaning, and safety guidelines.

7.2 Resetting the System

Details the procedures for performing factory and power-on resets.

7.3 Problem Solving

Offers solutions for common problems encountered with the sounder module.