Raymarine DSM250 User guide

DSM250

Digital Sounder

Module

Owner’s

Handbook

Document number: 81211_1

Date: December 2002

DSM250 Digital Sounder Module iii

DSM250 Digital Sounder Module

Owner’s Handbook

December 2002

Intended Use

Raymarine DSM250 Digital Sounder Modules provide echo

sounder data that can be displayed on Raymarine PLUS Radar,

Chartplotter, or Fishfinder display units. DSM250 Digital

Sounder Modules are intended for recreational depth finding and

fishfinding purposes.

SAFETY NOTICES

This equipment must be installed and operated in accordance with

the instructions contained in this manual. Failure to do so can

result in personal injury and/or navigational inaccuracies. In par-

ticular:

HIGH VOLTAGE. The DSM250 contains high voltages. Adjust-

ments require specialized service procedures and tools only avail-

able to qualified service technicians – there are no user

serviceable parts or adjustments. The operator should never

remove the cover or attempt to service the equipment.

CAUTION:

Removing the transducer cable from the rear of the DSM250

while the sounder module is powered on can cause sparks. Only

remove the transducer cable after power has been removed from

the DSM250. As with any electronic device, be sure the sounder

module is mounted where it is well ventilated and free from

gasoline fumes.

If the transducer cable is accidentally removed while the DSM250

is powered on, remove power from the sounder module, replace

the transducer cable, and then return power to the module. As a

safety feature, the DSM250 only recognizes that the transducer is

connected at power-up.

iv DSM250 Digital Sounder Module

EMC Conformance

All Raymarine equipment and accessories are designed to the best

industry standards for use in the recreational marine environment.

The design and manufacture of Raymarine equipment and acces-

sories conform to the appropriate Electromagnetic Compatibility

(EMC) standards, but correct installation is required to ensure that

performance is not compromised.

Preface

This handbook describes the Raymarine DSM250 Digital

Sounder Module (200/50 kHz).

This device must be connected to an

hsb2

PLUS Radar, Chartplot-

ter, or Fishfinder display unit to show echo sounder data. The

DSM250 will not work with older HSB (non-PLUS) displays.

Note: Older HSB (non-PLUS) display units must be upgraded to

hsb2

before they can function with the DSM250.

Echo sounder systems require an appropriate Raymarine trans-

ducer unit and inter-connecting cable. Details for selecting and

installing the transducer are described in document number

81196, Transducers for Fishfinders Owner’s Handbook.

This handbook contains very important information on the instal-

lation and operation of your new equipment. In order to obtain the

best results in operation and performance, please read this hand-

book thoroughly.

Raymarine’s Technical Services representatives or your local

dealer will be available to answer any questions you may have.

Conventions

Raymarine echo sounding (sonar) devices with integrated dis-

plays are known as Fishfinders. In this document, the DSM250—

which does not have its own display—is alternatively called a

Digital Sounder Module, Sounder, or just Module. The DSM250’s

image data can be viewed on a display unit when that display is in

Sonar Mode.

DSM250 Digital Sounder Module v

Throughout this handbook, the dedicated (labelled) keys are

shown in bold capitals; for example, MENU. The soft key func-

tions, menu names and options are shown in normal capitals; for

example, SCREEN.

Operating procedures, which may consist of a single key-press or

a sequence of numbered steps, are indicated by a ➤symbol in the

margin. When the procedure requires you to press a soft key, the

soft key icon is shown in the margin.

Technical Accuracy

The technical and graphical information contained in this hand-

book, to the best of our knowledge, was correct as it went to press.

However, the Raymarine policy of continuous improvement and

updating may change product specifications without prior notice.

As a result, unavoidable differences between the product and

handbook may occur from time to time, for which liability cannot

be accepted by Raymarine.

Warranty

To register your DSM250 Digital Sounder Module ownership,

please take a few minutes to fill out the warranty registration card

found at the end of this handbook. It is very important that you

complete the owner information and return the card to the factory

in order to receive full warranty benefits.

Raymarine Products and Services

Raymarine products are supported by a network of Authorized

Service Representatives. For information on Raymarine products

and services, contact either of the following:

United States Raymarine, Inc.

22 Cotton Road, Unit D

Nashua, NH 03063-4219

USA

Telephone:1-603-881-5200

1-800-539-5539

Fax: 1-603-864-4756

vi DSM250 Digital Sounder Module

Europe Raymarine Ltd

Anchorage Park

Portsmouth, Hampshire

England PO3 5TD

Telephone: +44 (0) 23 9269 3611

Fax: +44 (0) 23 9269 4642

Or, you may contact us on the World Wide Web at:

www.raymarine.com

This product contains technology provided under license by

Acorn Group plc. The copyright of this intellectual property is

acknowledged by Raymarine, Inc. as are Acorn’s trademarks and

patents. Acorn’s world wide web address is www.acorn.com.

Raymarine is a registered trademark of Raymarine Limited.

SeaTalk is a registered trademark of Raymarine Limited.

hsb2

is a trademark of Raymarine Limited.

Pathfinder PLUS is a trademark of Raymarine Limited.

DSM250 Digital Sounder Module vii

Contents

SAFETY NOTICES ........................................................iii

EMC Conformance .......................................................... iv

Warranty ............................................................................ v

Raymarine Products and Services ..................................... v

Chapter 1: Overview .................................................................. 1-1

1.1 Introduction .......................................................... 1-1

How to Use This Handbook ...........................................1-2

What's New ....................................................................1-3

General ...........................................................................1-4

Sonar Mode Display Features ........................................1-5

1.2 Sonar Mode Display ............................................. 1-5

Operating Modes ...........................................................1-7

Sonar Options ................................................................1-8

Sounder Functions .........................................................1-9

Chapter 2: Installation .............................................................. 2-1

2.1 Introduction .......................................................... 2-1

Planning the Installation ................................................2-2

EMC Installation Guidelines .........................................2-2

2.2 Unpacking and Inspecting the Components ......... 2-4

2.3 Selecting the Equipment Location ........................ 2-4

Sounder Module Mounting Location ............................2-4

2.4 Cable Runs ............................................................ 2-5

2.5 Mounting the Sounder Module ............................. 2-8

2.6 System Connections ............................................. 2-9

DC Power Connection .................................................2-10

Ground Connection ......................................................2-11

hsb2

Connection ............................................................2-12

Transducer Connection ................................................2-13

viii DSM250 Digital Sounder Module

EMC Conformance ......................................................2-15

Chapter 3: Getting Started ....................................................... 3-1

3.1 Introduction ...........................................................3-1

3.2 Powering on the Sounder Module .........................3-1

Status LED .....................................................................3-1

3.3 Updating Software on the Display Unit ................3-2

3.4 Selecting Repeater Mode ......................................3-2

3.5 Selecting Sonar Mode ...........................................3-3

3.6 Simulator Mode .....................................................3-5

Viewing Simulator Data .................................................3-6

Chapter 4: System Setup ........................................................... 4-1

4.1 Introduction ...........................................................4-1

4.2 Changing the Set Up Parameters ...........................4-1

4.3 System Set Up Parameters ....................................4-3

Data Boxes .....................................................................4-5

Bearing Mode .................................................................4-6

Cursor Reference ...........................................................4-6

Cursor Readout ..............................................................4-6

Day/Night ......................................................................4-6

Help ................................................................................4-7

Soft Keys ........................................................................4-7

Key Beep ........................................................................4-7

MOB Data ......................................................................4-7

Autopilot Pop Up ...........................................................4-7

Menu Timeout Period ....................................................4-7

Units ...............................................................................4-8

Variation Source .............................................................4-8

Bridge NMEA Heading .................................................4-9

NMEA-Out Set Up ........................................................4-9

Cursor Echo .................................................................4-11

DSM250 Digital Sounder Module ix

Date and Time Settings ................................................4-11

GPS SOG/COG Filter ..................................................4-12

Compass Set Up ...........................................................4-12

Language ......................................................................4-12

Simulator ......................................................................4-12

4.4 Sonar Set Up Parameters ..................................... 4-13

Target Depth ID ............................................................4-14

Color Bar ......................................................................4-14

Depth Digit Size ...........................................................4-14

Sonar HSB Mode .........................................................4-14

Depth Offset .................................................................4-15

Speed Calibrate ............................................................4-16

Temperature Calibrate .................................................4-16

Sonar History ...............................................................4-16

Sonar Interference Rejection .......................................4-16

Sonar Simulator ...........................................................4-17

Version/Serial Numbers ...............................................4-17

Chapter 5: Basic Display Controls ............................................ 5-1

5.1 Introduction .......................................................... 5-1

Simulator ........................................................................5-1

5.2 Setting Color and Brightness ................................ 5-1

Lighting and Contrast (Monochrome Displays) ............5-1

Brightness and Color Settings (Color Displays) ............5-2

5.3 Controlling the Display ......................................... 5-5

Selecting the Display Mode ...........................................5-6

Switching Between Sounder and Other Modes ...........5-12

5.4 Display Control Functions .................................. 5-13

Viewing Data Boxes ....................................................5-14

Changing the Scroll Speed ...........................................5-14

Selecting the Power Setting .........................................5-15

Changing the Sounder Range ......................................5-16

Selecting the Frequency ...............................................5-19

Using Bottom Lock ......................................................5-20

Using A-Scope .............................................................5-22

x DSM250 Digital Sounder Module

Using Zoom .................................................................5-24

Chapter 6: Sonar Mode Operation ........................................... 6-1

6.1 Introduction ...........................................................6-1

6.2 Interpreting and Adjusting the Sounder Image .....6-1

Fish Indications ..............................................................6-2

Bottom Indications .........................................................6-3

Using White Line ...........................................................6-5

Adjusting Display Gain (Sensitivity) .............................6-5

Using Alarms .................................................................6-8

6.3 Using VRM to Determine Depth & Distance from

Vessel ...................................................................6-10

6.4 Waypoints ............................................................6-12

Placing a Waypoint ......................................................6-13

6.5 MOB ....................................................................6-14

Chapter 7: Maintenance and Problem Solving ...................... 7-1

7.1 Maintenance ..........................................................7-1

Routine Checks ..............................................................7-1

Cleaning Instructions .....................................................7-1

EMC Servicing and Safety Guidelines ..........................7-2

7.2 Resetting the System .............................................7-3

7.3 Problem Solving ....................................................7-4

Status LED .....................................................................7-6

How to Contact Raymarine ............................................7-7

Worldwide Support ......................................................7-10

Appendix: Specifications ........................................................A-1

Table of contents

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