Furuno 841 MARK-2 specification

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Furuno 841 MARK-2 manual

Contents

Marine Radar B . N o . O M E 3 4 4 4 Safety Instructions Do not open the equipment Stay away from transmitting antennaDo not disassemble or modify the equipment Do not operate the equipment with wet hands Iii Use the correct fuse Table of Contents Features Foreword Specifications Antenna UnitTransceiver Module contained in radome Display Unit Interface Nmea Installation Materials CP03-15xx Accessories FP03-05900Equipment List Complete Set Optional Equipment Configuration Model 841 MARK-2 Principle of Operation How radar works Operation Control Description Display Indications and Markers Turning the Radar On and Off5NM 675NM 220.9R 0.646NM 308.7R Adjusting LCD Backlighting and Display Tone Adjusting Control Panel BrillianceTransmitting Selecting the Range General procedure Adjusting GAIN, STC, A/C Rain and FTCSTC MAN Auto Tuning the Receiver Adjusting A/C RainAdjusting FTC How to tune manually Measuring the Range Measuring the Bearing Press the Menu key to open the menu. The main menu appears Menu OperationSee the table on the next Menu description Menu Function Selecting the Display Mode 11 Display modes Selecting the Presentation Mode Window DisplayCourse-up, you may select CU or WPT- UP, on the menu CU course-up Guard Alarm Setting the guard zoneSilencing the audible alarm WPT-UP waypoint-up Canceling the guard zone Suppressing Radar Interference Off Centering the Display Suppressing Noise InterferenceSelecting Pulselength Echo Trails Navigation Data Display Setting up the nav data display Echo Stretch magnifying long range echoesPress the Menu key Select Nav Data and press the ENT key Turning echo stretch on or off Selecting Unit of Measurement for Range Selecting Bearing ReferenceWatchman Turning on watchman Canceling watchman Erasing the Heading MarkerDeselecting Ranges Displaying Navigation Data During Stand-by Visual Alarm Indications Error Visual alarmOutputting Cursor Position to Navigator Displaying Cursor Position, Range and Bearing to Cursor Interpreting the Display Radar Wave and Radar HorizonTarget Properties and Radar Wave Reflection Super-refraction Bearing Resolution Range ResolutionFalse Echoes Multiple echoes Side-lobe echoes Indirect echoes Nautical Chart and Radar Picture Maintenance & Troubleshooting Safety Information Replacing the Fuse Preventative MaintenancePeriod Check point Remarks Troubleshooting But Then Self Test Self Test Siting, handling considerations Antenna Unit InstallationMounting Holes for antenna unit Parallel with the fore and aft line Display Unit Installation Mounting considerations Mounting procedure Display unit is designed to be mounted on a tabletop Signal cable connection Connections To connect external equipment to the OP- Tion connector For E/SNavigation aid, video sounder connection Heading Sensor Connection Installation Check List Radar Displaying the Installation Menus Initial Adjustment of PictureFollow the procedure below to obtain proper radar picture Relative Bearing Alignment Entering Initial SettingsSweep Timing Closing the Installation Menus Press the Menu key and turn off the powerPage Page Page Page Page Page