Setting automatic rain clutter suppression level

1. OPERATIONAL OVERVIEW

1.12.2Setting automatic rain clutter suppression level

1.Press the MENU key to open the menu.

2.Choose the Echo menu and press the ENTER key.

3.Choose Auto Rain and press the ENTER key.

Rough

Moderate

Calm

4.Choose the option which best matches current sea condition and press the ENTER key.

5.Press the MENU key to close the menu. Rain clutter is automatically adjusted according to the level selected.

1.12.3Manual rain clutter adjustment

1.Push the A/C RAIN control to show “RAIN MAN” as the A/C RAIN adjustment method.

2.Rotate the A/C RAIN control to suppress the rain clutter.

Rain clutter at	A/C RAIN control
screen center	adjusted

Appearance of rain clutter

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Furuno FR-8122, FR-8252, FR-8062 manual Setting automatic rain clutter suppression level, Manual rain clutter adjustment

Contents

FR-8062 FR-8122 Model FR-8252 00015331616 General How to discard this product How to discard a used batteryEuropean Union USA Safety Instructions Electrical Shock Hazard Iii TFT LCD Table of Contents Table of Contents Radar Observation Vii Viii SP-1IN-1 Foreword FeaturesWord to the Owner of the FR-8xx2 Marine Radar Model, output, range, antenna Description Specification River Sea Radar Specifications and Function AvailabilitySpecification and function availability FR-8252 System Configuration FR-8122, FR-8062 Xii Display unit Operational OverviewControls Remote controller Remote controller Quick start Turning the Radar On/Off, TransmittingStart-up screen FR-8252 Watchman Display Indications Menu Overview Adjusting Display Brilliance, Panel DimmerBrill/Panel dialog box Menu System Menu description Tuning options TuningTuning indicator Tuning Description of presentation modes Choosing presentation modePresentation Modes True motion mode North-up mode Choosing a Range Scale Automatic resetting of own ship marker in true motion mode Echo Choosing a Pulse Length Choosing gain adjustment method Adjusting the Gain sensitivitySetting automatic gain level Manual gain adjustment Setting automatic sea clutter suppression level Choosing sea clutter adjustment methodSEA indicator Suppressing Sea Clutter Choosing rain clutter adjustment method Manual sea clutter adjustmentRain indicator Suppressing Rain Clutter Appearance of rain clutter Setting automatic rain clutter suppression levelManual rain clutter adjustment Automatic Suppression of Sea and Rain Clutters Cursor data CursorCursor data Interference Interference Rejector Measuring range by the variable range marker VRM Measuring the Range to a Target Choosing VRM unit Brill/Color Turning Range Rings On/Off, Adjusting Range Ring Brilliance Measuring the bearing with an EBL How to measure the bearing to a target with the EBLMeasuring the Bearing to a Target EBL reference Measuring the Range and Bearing Between Two Targets Setting a target alarm Target AlarmSilencing the audio alarm How to set a target alarm zone Temporarily deactivating a target alarm Choosing alarm typeDeactivating a target alarm Out alarms Off Centering the Display Choosing target strength which triggers target alarmAutomatic off center Choosing speed to use Zoom How to zoomManual off center Activating automatic off center Relative or true zoom mode Zoom modeTarget zoom mode Key to erase the message Stretch in range direction Stretch in bearing direction Echo stretch settingsEcho Stretch Detection can result Is automatically disabledEcho Averaging Target Trails Tively, execute All Cancel on the Trails menuStarting, stopping trails Trail indications Target Trails Trail mode Trail level Trail gradationTrail color Narrow trails Trail copyOwn ship trail How trail copy works Trail length Restart feature Trail copy feature ActionRestarting trails Parallel Index Lines Adjusting parallel index line orientation and intervalTurning parallel index lines on or off Parallel index lines Outputting Target Position, Inscribing Origin Mark Parallel index lines modeTLL key mode Origin mark mode Custom SetupAbout custom setup Temporarily Hiding the Heading Line Menu item Available settings Description of custom setup itemsDescription of custom setup items Sample custom setups Setting custom setupsMenu item Application Custom Function key operation Programming Function Keys F1 and F2 keysChanging function key program Function list How 2nd trace echoes are produced Noise RejectorSuppressing Second-trace Echoes How watchman works Watchman Color Schemes Preset color schemesUser color scheme Display item, color scheme and color Navigation data display at standby Navigation DataNavigation data during standby Navigation data at the bottom of the screen Depth and water temperature graphsWind graph Navigation data Display curve Characteristics CurveDynamic Range Antenna Speed Waypoint mark Waypoint Marker List of alarm messages Alarm Message DisplayList of alarm messages AIS system Alarm category Alarm name AIS alarm Echo Area Opening the Initial menu Customizing Initial MenuDescription of Initial sub menu Initial menu Available ranges Sector Blank Sector Blank Appearance of sector blank GPS Buoy GPS buoy symbolsDisplaying GPS buoys GPS buoy menu History display Choosing symbol color Erasing all GPS buoys symbols Erasing GPS buoy symbolsErasing individual GPS buoy symbols Unavailable menu items Remote DisplayMenu items not available with the remote display Display appearance Total TX time indication Items unavailable with Function key F1, F2 This page intentionally left blank General Radar ObservationMinimum and maximum ranges Minimum range Bearing resolution Radar resolutionRange resolution Bearing accuracy Multiple echoes False EchoesSidelobe echoes Sidelobe echoes Shadow sector Virtual imageVirtual image Shadow sectors Appearance of Sart echo Sart Search and Rescue TransponderSart description General remarks on receiving Sart Sart range errorsRadar bandwidth Radar side lobes ARP Operation Usage Precautions ARP Display On/Off Controls for Use with ARPARP menu ARP Manual acquisition Acquiring and Tracking TargetsAutomatic acquisition ARP target mark Terminating tracking of all targets Terminating Tracking of ARP TargetsTerminating tracking of selected targets Vector Attributes What is a vector?Vector time, vector reference Vector Target movement and history display History Display target past position ARP target data ARP Target Data CPA/TCPA Alarm Canceling a lost target Proximity AlarmLost Target Lost target mark Symbol Color Controls for Use with AIS AIS OperationTurning the AIS Display On or Off AIS menu Is changed while using the head-up mode AIS SymbolsActivating, Sleeping Targets Appearance of an activated target AIS data Displaying AIS Target Data Sorting Targets Display Range Number of Targets to Display Displaying Targets Within a Specific Sector Vector Attributes History Display target past position 12 CPA/TCPA Alarm Proximity Alarm Removing all lost AIS targets from the display Lost target symbolShip speed and reporting interval Ship speed Reporting interval Navigator Type GPS OperationGPS menu GPS Datum Waas Setup Satellite monitor Satellite Monitor Type 16 message Weather Information GPS Sensor Installation Position Offset To perform cold start, do the following Cold Start Do not open the equipment Maintenance & Troubleshooting Interval Check point Remedy Preventive MaintenanceMaintenance Magnetron Life Fuse ReplacementLCD Backlight Life Unit and fuses Display unit Trackball Maintenance Simple troubleshooting Simple TroubleshootingBut Then STBY/TX key to Advanced-level troubleshooting Advanced-level TroubleshootingCessful, replacement of the keypad may Down to component level are not practical by users Problem Probable cause or Remedy Check points Factory Diagnostic TestFactory menu 㪇㪊㪌㪐㪉㪉㪐㪄㪯㪯㪅㪯㪯 DIagnostics screen LCD test screens LCD TestGPS Test Appendix Choices for Function 1 Setup, Function 2 Setup Nm for distance 0.1 nm or greater ARP*1 AIS*2 GPS*1 FR-8062/FR-8122/FR-8252 Furuno Specifications of Marine Radar Furuno Coating Color FR-8xx2 Series E3539S01G AIS Index VRM IN-2 Declaration of Conformity

Furuno FR-8122 Setting automatic rain clutter suppression level, Manual rain clutter adjustment

Models: FR-8062 FR-8122 FR-8252

1.12.2Setting automatic rain clutter suppression level

1.12.3Manual rain clutter adjustment

Appearance of rain clutter