http://www.raymarine.com/.../81254_2www.pdf
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Table of contents
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• DSM25 Digital Sounder Module
• Trademarks and registered trademarks
• Important Information
• Intended Use
• Safety Notices
• Product Disposal
• Conventions
• Technical Accuracy
• Warranty
• Chapter 1: Overview
• Introduction
• What the Sounder Displays
• How the Fishfinder Works
• Interpreting the Bottom Structure
• How Targets are Displayed
• How to Use this Handbook
• Chapter 2: DSM25 Installation
• Planning the Installation
• Unpacking and Inspecting the Components
• Optional Equipment
• Selecting Sounder Module Mounting Location
• Mounting the Sounder Module
• Cable Runs
• System Connections
• Display Connection
• Transducer Connection
• Chapter 3: Using the Sounder Module
• Selecting the Display Page
• Using the Course Deviation Indicator (CDI)
• Selecting a Split Window
• Adjusting the Display
• Range Shift
• Soft Key Selections
• FISHFINDER SETTINGS
• Gain Modes
• Operating Frequency
• Power Settings
• Zoom
• Adjusting the zoom
• Adjusting the Position of the Zoomed Area
• Bottom Lock
• Scope
• Presentation
• White Line and Bottom Fill
• Scroll Speed and Pause
• Determining Target Depths and Distance
• Using Waypoints
• Chapter 4: Fishfinder Setup
• DSM Setup
• Depth Digit Size
• Depth Lines
• Palette
• Depth Offset
• Speed Calibrate
• Temp Calibrate
• DSM Reset
• Trip Reset
• Interference Rejection (Int Rej)
• Second Echo Rejection
• Max. Ping Rate
• Ping Enable
• Fishfinder Alarms
• Target Depth ID
• Fish Alarm
• Fish Sensitivity
• Shallow Alarm
• Shallow Range
• Deep Alarm
• Deep Range
• Temp. Alarm
• Temp. Range High
• Temp. Range Low
• Chapter 5: Maintenance and Problem Solving
• Maintenance
• Routine Checks
• Cleaning Instructions
• EMC Servicing and Safety Guidelines
• Resetting the Sounder
• Power-on Reset
• Factory Reset
• Problem Solving
• Common Problems and Their Solutions
• Status LED
• How to Contact Raymarine
• On the Internet
• In the US
• In Europe
• Worldwide Support
• Appendix: Specifications
• General
• Sounder Features
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