Furuno 841, 821 manual Optional mounting bracket installation for sailboat

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8)Put the radome on the radome base as- sembly. The arrow should face toward the bow.

9)Tighten the fixing bolts for the radome.

10)The cable run must be properly sup- ported, and must not be used to provide impromptu foot-holds or hand-holds! Clips or hangers should be employed every 20 cm.

Figure 5-11 How to position the radome cover (MODEL 841)

Figure 5-12 Optional mounting bracket installation for sailboat

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Contents Marine Radar First Edition AUG Ground both the Display Unit and the Antenna Unit Safety ArrangementsElectrical Shock Hazard Useable EnvironmentTable of Contents Features ForewordTransceiver Module contained in radome SPECIFICATIONS- ModelAntenna Unit Display UnitWarm-up time Modulator switching method Power supply & power consumptionProtection features VibrationAmbiont temperature Receiver front end MIC Michoeave IC Bandwidth 7 MHz DuplexerInterface Nmea Model 821/841 Page Configuration Model 821/841Principle of Operation How radar works Operation Control DescriptionDisplay Indications and Markers Turning the Radar On OffTransmitting Adjusting LCD Backlighting and Display ToneAdjusting Control Panel Brilliance Selecting the RangeAdjusting GAIN, STC, A/C Rain and FTC STC MAN AutoAdjusting FTC Tuning the ReceiverAdjusting A/C Rain How to tune manuallyMeasuring the Range Measuring the BearingMenu Operation Target on collision course with your vessel?Menu description Selecting the Display Mode 11 Display modesWindow Display Selecting the Presentation ModeCU course-up Guard Alarm WPT-UP waypoint-upSuppressing Radar Interference GuardOff Centering the Display Suppressing Noise InterferenceSelecting Pulselength Echo Trails Navigation Data DisplayEcho Stretch magnifying long range echoes Press the Menu key Select Nav Data and press the ENT keySelecting Bearing Reference Selecting Unit of Measurement for RangeWatchman Deselecting Ranges Erasing the Heading MarkerDisplaying Navigation Data During Stand-by Outputting Cursor Position to Navigator Visual Alarm IndicationsDisplaying Cursor Position, Range and Bearing to Cursor Target Properties and Radar Wave Reflection Interpreting the DisplayRadar Wave and Radar Horizon Super-refractionRange Resolution Bearing ResolutionFalse Echoes Multiple echoes Nautical Chart and Radar Picture Blind and shadow sectorsForming any maintenance or Maintenance & TroubleshootingSafety Information Troubleshooting procedurePreventative Maintenance Replacing the FuseTroubleshooting Troubleshooting tableSelf Test Self TestInstallation Antenna Unit InstallationMounting platform Removing packing materialsVent 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 ProcedureInstallation Check List Initial Adjustment of Picture Displaying the Installation MenusEntering Initial Settings Relative Bearing AlignmentClosing the Installation Menus Sweep TimingSignal cable connection Page Page Page Page Page Page Page