Target Trails, Starting, stopping trails | Furuno FR-8252, FR-8062

1. OPERATIONAL OVERVIEW

1.25Target Trails

The trails of the radar targets may be displayed in the form of synthetic afterglow. Target trails are chosen either relative or true. True motion trails require a heading bearing signal and position data.

1.25.1Starting, stopping trails

1.Press the TRAILS key to start trails and choose trail time. The chosen time, along with trail mode, is shown at the bottom left corner as shown in the figure below. Trail time is available among 15 s, 30 s, 1 min., 3 min., 6 min., 15 min., and 30 min., and CONTINUOUS. (If 12 H or 24 is selected for Length on the Target Trails menu, one of those times plus CONTINUOUS are the choices.)

Trail Mode (T, True, R, Relative) TRAILS (T)

Trail Time 15S

Trail indications

2.To change trail time, press the TRAILS key to choose desired trail time. The longer the trail time, the longer the trail itself. The trial time selectable with the TRAILS key changes according to trail length setting on the menu. For further details, see paragraph 1.24.10.

			•To erase trails, press and hold down the TRAILS key until a beep sounds. Alterna-
	Note
	Note		tively, execute All Cancel on the Trails menu.
			tively, execute All Cancel on the Trails menu.
			•To disable trails, press and hold down the TRAILS key several times until the trail
			indications and trails are erased from the display.

1-31

Image 45

Furuno FR-8252 Target Trails, Starting, stopping trails, Trail indications, Tively, execute All Cancel on the Trails menu

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 SP-1 IN-1Viii Foreword FeaturesWord to the Owner of the FR-8xx2 Marine Radar Model, output, range, antenna Radar Specifications and Function Availability Specification and function availabilityDescription Specification River Sea FR-8252 System Configuration FR-8122, FR-8062 Xii Operational Overview ControlsDisplay unit 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 Choosing presentation mode Presentation ModesDescription of presentation 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 Setting automatic rain clutter suppression level Manual rain clutter adjustmentAppearance of rain clutter Automatic Suppression of Sea and Rain Clutters Cursor Cursor dataCursor 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 How to measure the bearing to a target with the EBL Measuring the Bearing to a TargetMeasuring the bearing with an EBL 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 Echo stretch settings Echo StretchStretch in range direction Stretch in bearing direction Is automatically disabled Echo AveragingDetection can result Target Trails Tively, execute All Cancel on the Trails menuStarting, stopping trails Trail indications Target Trails Trail mode Trail gradation Trail colorTrail level Narrow trails Trail copyOwn ship trail How trail copy works Restart feature Trail copy feature Action Restarting trailsTrail length Parallel Index Lines Adjusting parallel index line orientation and intervalTurning parallel index lines on or off Parallel index lines Parallel index lines mode TLL key modeOutputting Target Position, Inscribing Origin Mark Origin mark mode Custom SetupAbout custom setup Temporarily Hiding the Heading Line Description of custom setup items Description of custom setup itemsMenu item Available settings Sample custom setups Setting custom setupsMenu item Application Custom Function key operation Programming Function Keys F1 and F2 keysChanging function key program Function list Noise Rejector Suppressing Second-trace EchoesHow 2nd trace echoes are produced How watchman works Watchman Color Schemes Preset color schemesUser color scheme Display item, color scheme and color Navigation Data Navigation data during standbyNavigation data display at standby Navigation data at the bottom of the screen Depth and water temperature graphsWind graph Navigation data Characteristics Curve Dynamic RangeDisplay curve Antenna Speed Waypoint mark Waypoint Marker Alarm Message Display List of alarm messagesList 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 GPS buoy symbols Erasing individual GPS buoy symbolsErasing all GPS buoys 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 Sart Search and Rescue Transponder Sart descriptionAppearance of Sart echo 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 ARP Targets Terminating tracking of selected targetsTerminating tracking of all 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 Preventive Maintenance MaintenanceInterval Check point Remedy 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 Diagnostic Test Factory menuFactory 㪇㪊㪌㪐㪉㪉㪐㪄㪯㪯㪅㪯㪯 DIagnostics screen LCD Test GPS TestLCD test screens 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