User ManualTable of ContentsSAFETY INSTRUCTIONS3TABLE OF CONTENTS7INTRODUCTION10A Word to the Owner of FURUNO Radar10Specifications13Chapter 1 OPERATION181.1 Turning on the Power181.2 Transmitter ON191.3 Control Head201.4 CRT Brilliance221.5 Tuning the Receiver221.6 On-screen Legends and Markers241.7 Degaussing the CRT Screen261.8 Initializing the Gyro Readout261.9 Presentation Modes271.10 Selecting the Range Scale301.11 Selecting the Pulselength301.12 Adjusting the Sensitivity331.13 Suppressing Sea Clutter331.14 Suppressing Precipitation Clutter351.15 Interference Rejector351.16 Measuring the Range361.17 Measuring the Bearing381.18 Collision Assessment by Offset EBL391.19 Measuring Range and Bearing Between Two Targets401.20 Setting a Target Alarm Zone401.21 Off-Centering421.22 Echo Stretch431.23 Echo Averaging441.24 Electronic Plotting Aid (EPA)461.25 Entering Own Ship's Speed501.26 Target Trails (Echo Trails)521.27 Parallel Index Lines551.28 Origin Mark571.29 Zoom581.30 Markers591.31 Menu Keys601.32 RADAR 1, 2 and 3 Menu Settings611.33 Function Keys631.34 Barge information691.35 Radar Map691.36 Suppressing Second-trace Echoes741.37 Displaying External Waypoint and Navigation Line741.38 Adjusting Brilliance of Screen Data751.39 Display of Wind/Tide/Depth Information761.40 Alarms78Chapter 2 OPERATION OF ARPA (Option)802.1 General802.2 Keypads for ARPA812.3 ARPA Menu Operation822.4 Start-up Procedure832.5 Automatic Acquisition852.6 Manual Acquisition892.7 Changing Plot Symbol Size902.8 Adjusting Brilliance of Plot Marks932.9 Displaying Target Data932.10 Vector modes942.11 Past Position Display952.12 Set and Drift (Set and Rate)962.13 Setting CPA/TCPA Alarm Ranges972.14 Setting a Guard Zone982.15 Operational Warnings1002.16 Trial Maneuver1022.17 ARPA Performance Test1042.18 Criteria for Selecting Targets for Tracking1052.19 Factors Affecting ARPA Functions107Chapter 3 RADAR OBSERVATION1093.1 General1093.2 False Echoes1113.3 SART (Search and Rescue Transponder)1123.4 RACON (Radar beacon)114CHAPTER 4 OPERATION OF VIDEO PLOTTER1154.1 General1154.2 The Video Plotter Display1164.3 Display Modes1164.4 Set- up of Video Plotter Display1184.5 Track1194.6 Marks, Lines1224.7 Waypoints1234.8 Navigation Lines1264.9 Recording & Replaying Data1294.10 Initial Settings1314.11 Latitude Error Table (on 96 nm range scale)1314.12 Plotter Presentation Mode133Chapter 5 MAINTENANCE1345.1 Periodic Maintenance Schedule1345.2 Life Expectancy of Major Parts1355.3 Replacement of Battery135Chapter 6 TROUBLESHOOTING1366.1 Easy Troubleshooting1366.2 Advanced-level Troubleshooting1376.3 Diagnostic Test139Chapter 7 MENU OVERVIEW142Chapter 8 ANCILLARY EQUIPMENT1468.1 Performance Monitor1468.2 Interswitching Unit1488.3 For Fishing Vessel149Chapter 9 Digital interface (IEC 61162-1 Edition 1 and Edition 2)150Chapter 10 Parts List And Major Parts Location161Declaration of conformity to type (FR-21X5 series)194Declaration of conformity to type (FR-2155, FR-2165DS)196Size: 4.88 MBPages: 197Language: EnglishOpen manual