Furuno 841, 821 manual

Image 60

Furuno 841, 821 manual

Contents

Marine Radar First Edition AUG Safety Arrangements Electrical Shock HazardGround both the Display Unit and the Antenna Unit Useable Environment Table of Contents Features Foreword SPECIFICATIONS- Model Antenna UnitTransceiver Module contained in radome Display Unit Power supply & power consumption Protection featuresWarm-up time Modulator switching method Vibration Ambiont temperature Receiver front end MIC Michoeave IC Bandwidth 7 MHz Duplexer Interface Nmea Model 821/841 Page Configuration Model 821/841 Principle of Operation How radar works Operation Control Description Display Indications and Markers Turning the Radar On Off Adjusting LCD Backlighting and Display Tone Adjusting Control Panel BrillianceTransmitting Selecting the Range Adjusting GAIN, STC, A/C Rain and FTC STC MAN Auto Tuning the Receiver Adjusting A/C RainAdjusting FTC How to tune manually Measuring the Range Measuring the Bearing Menu Operation Target on collision course with your vessel? Menu description Selecting the Display Mode 11 Display modes Selecting the Presentation Mode Window DisplayCU course-up Guard Alarm WPT-UP waypoint-up Suppressing Radar Interference Guard Suppressing Noise Interference Off Centering the DisplaySelecting Pulselength Echo Trails Navigation Data Display Echo Stretch magnifying long range echoes Press the Menu key Select Nav Data and press the ENT key Selecting Unit of Measurement for Range Selecting Bearing ReferenceWatchman Erasing the Heading Marker Deselecting RangesDisplaying Navigation Data During Stand-by Visual Alarm Indications Outputting Cursor Position to NavigatorDisplaying 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 Nautical Chart and Radar Picture Blind and shadow sectors Maintenance & Troubleshooting Safety InformationForming any maintenance or Troubleshooting procedure Preventative Maintenance Replacing the Fuse Troubleshooting Troubleshooting table Self Test Self Test Installation Antenna Unit Installation Removing packing materials Mounting platformVent tube How to fasten the radome base To the mounting platform Ships bow Removing packing materials 10 Antenna unit Model 841, inside view, shield cover removed 12 Optional mounting bracket installation for sailboat Display Unit Installation 13 How to mount the display unit 14 Display unit, rear view Option connector Procedure Installation Check List Initial Adjustment of Picture Displaying the Installation Menus Entering Initial Settings Relative Bearing Alignment Closing the Installation Menus Sweep Timing Signal cable connection Page Page Page Page Page Page Page