Furuno 821, 841 specs

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Furuno 821, 841 manual

Contents

Marine Radar First Edition AUG Useable Environment Safety ArrangementsElectrical Shock Hazard Ground both the Display Unit and the Antenna Unit Table of Contents Foreword Features Display Unit SPECIFICATIONS- ModelAntenna Unit Transceiver Module contained in radome Vibration Power supply & power consumptionProtection features Warm-up time Modulator switching method Receiver front end MIC Michoeave IC Bandwidth 7 MHz Duplexer Ambiont temperature Interface Nmea Model 821/841 Page Model 821/841 Configuration Principle of Operation How radar works Control Description Operation Turning the Radar On Off Display Indications and Markers Selecting the Range Adjusting LCD Backlighting and Display ToneAdjusting Control Panel Brilliance Transmitting STC MAN Auto Adjusting GAIN, STC, A/C Rain and FTC How to tune manually Tuning the ReceiverAdjusting A/C Rain Adjusting FTC Measuring the Bearing Measuring the Range Target on collision course with your vessel? Menu Operation Menu description 11 Display modes Selecting the Display Mode Selecting the Presentation Mode Window DisplayCU course-up WPT-UP waypoint-up Guard Alarm Guard Suppressing Radar Interference Suppressing Noise Interference Off Centering the DisplaySelecting Pulselength Navigation Data Display Echo Trails Press the Menu key Select Nav Data and press the ENT key Echo Stretch magnifying long range echoes 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 Super-refraction Interpreting the DisplayRadar Wave and Radar Horizon Target Properties and Radar Wave Reflection Bearing Resolution Range ResolutionFalse Echoes Multiple echoes Blind and shadow sectors Nautical Chart and Radar Picture Troubleshooting procedure Maintenance & TroubleshootingSafety Information Forming any maintenance or Replacing the Fuse Preventative Maintenance Troubleshooting table Troubleshooting Self Test Self Test Antenna Unit Installation 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 Procedure Option connector Installation Check List Displaying the Installation Menus Initial Adjustment of Picture Relative Bearing Alignment Entering Initial Settings Sweep Timing Closing the Installation Menus Signal cable connection Page Page Page Page Page Page Page