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Koden MDC-7900 Series User Manual

Koden MDC-7900 Series
186 pages
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Table of Contents

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Koden MDC-7900 Series Specifications

General IconGeneral
BrandKoden
ModelMDC-7900 Series
CategoryMarine Radar
LanguageEnglish

Summary

Chapter 1 Fault Diagnosis

1.1 About Alarms

Details on radar alarms and warning displays, including categories and icons.

1.2 Malfunction Detection Steps

Basic malfunction diagnostics procedures for common failure statuses.

1.3 Malfunction Diagnosis Flowcharts

Step-by-step troubleshooting guides for various radar malfunctions.

1.4 Failure Criteria of Microwave Components

Phenomena indicating the initial stage of magnetron, front-end, and limiter lifetime.

Chapter 2 Maintenance Menu

2.1 BITE Functions

Built-in tests for easily finding faults in operation units and radar systems.

2.2 Echo Settings

Functions for adjusting noise amount and setting STC curve gradients.

Chapter 3 Component Exchange Procedures

3.1 Display Unit Component Exchange

Instructions for replacing fuses, logic PCBs, LCD units, and other display components.

3.2 Operation Unit Component Exchange

Procedures for exchanging panel PCBs and track balls in the operation unit.

3.3 Antenna Scanner Unit Component Exchange

Guides for replacing components like modulator PCBs and magnetrons in the scanner unit.

Chapter 4 Spare Parts and Circuit Diagrams

4.1 Spare Parts List

Comprehensive list of part codes, names, types, and page numbers for unit components.

4.2 Circuit Diagrams

Interconnection and circuit diagrams for various scanner units and system components.

Annex

A.1 Track Ball Cleaning

Procedure for cleaning the track ball mechanism and its components.

A.2 Interface Setup and Configuration

Settings for navigation data input, external device connections, and signal confirmation.

A.3 System Program Management

Procedures for confirming firmware versions and updating system programs.

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