Furuno FR-1710 manual Resetting target trails, Trail brilliance, Thin trails, Trail afterglow

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3.Press the [5] key to select ON or OFF from the TRAIL COPY field as appropriate.

4.Press the [ENTER/SELECT] key and [MENU] key in order.

Resetting target trails

To reset (or clear) the target trail memory, hold the [TGT TRAIL] key depressed for about 3 seconds. Target trails are cleared and the trailing process restarts from time count zero at current target trail plot interval. Note that target trails are also restarted when the shift feature is turned on or the range is changed.

Trail brilliance

The brilliance of target trails can be adjusted on the BRILL menu as follows:

1.Press the [MENU] key.

2.Press the [9] key twice to display the BRILL menu.

BRILL

1. TGT TRAIL

2. CHARACTER

3. HDG LINE

4. EBL/VRM

5. CURSOR

6. MARK

7. PLOT

8. OS SYMB

9.*

* Requires RP-17 Board.

Figure 1-35 BRILL menu

3.Press the [1] key twice to select TGT TRAIL.

4.Operate the VRM rotary control to adjust brilliance. Current brilliance is shown by the BRILL bar graph at the top right-hand corner of the screen.

5.Press the [ENTER/SELECT] key to con- clude your selection followed by the [MENU] key to close the menu.

Thin trails

Target trails may be painted with thinner lines if desired. This can be useful when there are a lot of targets on the screen.

1.Press the [MENU] key.

2.Press the [2] key twice to select TGT TRAIL.

3.Press the [6] key to show THIN TRAIL ON or OFF as appropriate.

4.Press the [7] key to select 1, 2, 3 or 4 as appropriate. When there are a lot of tar- gets on the screen, select a larger num- ber (for thinner trails); select a smaller number when there are few targets. The default setting is 1.

5.Press the [ENTER/SELECT] key and [MENU] key in order.

Trail afterglow

The strength of the synthetic afterglow to re- main on the display may be selected as fol- lows:

1.Press the [MENU] key.

2.Press the [2] key twice to select TGT TRAIL.

3.Press the [4] key to select desired level from the LEVEL field; “3” displays only the highest level of afterglow.

4.Press the [ENTER/SELECT] key and [MENU] key in order.

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Contents Marine Radar First Edition NOV Do not operate the equipment with wet hands Keep heater away from equipmentUse the proper fuse Do not open the equipmentDo not disassemble or modify the equipment Table of Contents SP-1 Declaration of Conformity FR-1760DSWord to the Owner of This Furuno Radar FeaturesIntroduction System Configuration FR-1760DSFR-1710/1725 Antenna Unit Display UnitMenu Tree ViiiPlot Menu Mark Disp OFF Erase VEC REF REL True VEC Time Curs RNG INT REJ OFF Stretch Enhance Contrast Auto Xii Transmitter on Turning on the PowerOperational Overview Control Description Control descriptionControl Panel Backlighting Tuning the ReceiverCRT Brilliance Degaussing the Screen Initializing the Compass ReadoutOn-screen Legends and Markers On-screen legends and markersSelecting presentation mode Presentation ModesCourse-up Mode Selecting the Range Scale Screen showsManual speed input Entering Own Ship’s SpeedAutomatic speed input Pulselength, Echo Stretch 10 Echo stretchS1P Automatic adjustment by the A/C Auto control Adjusting the SensitivityManual adjustment by the A/C SEA control Suppressing Sea ClutterSuppressing Precipitation Clutter Interference RejectorMeasuring range by the fixed range rings Measuring the RangeMeasuring Bearing Measuring range by the variable range marker VRMCollision Assessment by the Offset EBL Measuring Range and Bearing Between Two TargetsSetting a Target Alarm Zone 18 Measuring range and bearing Between two targetsInward and outward alarms Acknowledging alarmDeactivating target alarm zone Off-centering shiftEcho Averaging 23 Echo SIG menuElectronic Plotting Aid EPA Plotting a targetTerminating target plotting True or relative vector, vector timeTarget data Reading the target dataLost target alarm Setting CPA/TCPA alarm rangesSilencing CPA/TCPA audible alarm CPA/TCPA AlarmTrue or relative trails Target Trails Echo TrailsPast plot points Restoring trails Trail gradationSelecting trail time Displaying, erasing target trailsThin trails Resetting target trailsTrail brilliance Trail afterglowParallel Index Lines Origin MarkZoom MarkersUser Keys F1, F2, F3 Presetting the user keysPresetting the function keys Function KeysFunc key objectives 42 FUNC1 menuAdjusting Brilliance of Screen Data Suppressing Second-trace EchoesEnhanced Video Time AlarmNoise Rejector Degaussing Interval Navigation DataOutputting Target Position Video ContrastClutter Sweep Selecting Bearing Scale Format Background ColorSelecting Range Scales Available color combinationsEnlarging Close-in Targets 46 A/D Converter Curve SettingA/D curve settings Alarms AlarmsAlarms con’t Peformance MonitorGeneral Radar resolutionRadar Observation Minimum and maximum rangesRange measurement False EchoesBearing accuracy Multiple echoesShadow sectors Sart Search and Rescue TransponderVirtual image General remarks on receiving Sart Sart range errorsShowing Sart marks on the radar display Radar bandwidthGain Racon Radar BeaconRadar side lobes SEA controlMaintenance schedule MAINTENANCE, TroubleshootingPeriodic Maintenance Schedule On nextLife expectancy of major parts Maintenance schedule con’tLife Expectancy of Major Parts Battery replacement information Fuse Replacement Simple TroubleshootingReplacement of Batteries Easy troubleshootingService call Advanced-level TroubleshootingServiceman qualification Advanced-level troubleshooting Problem Check point Remedy Probable causeAdvanced-level troubleshooting con’t Diagnostic Test Sequence for diagnostic testTest results screen Display circuit test Parts Location Left side viewDisplay unit, top view FR-1760DS Scanner Unit Scanner unit, left side viewFR-1760DS Scanner Unit con’t Scanner unit, right side view, RF section removedFR-1760DS Power Supply Unit FR-1760DS Power supply unitFR-1710/1725 Scanner Unit RF module Upper partModule Lower part Specifications of Marine Radar Radar Display Dimension and Mass Coating Color Index RaconIndex-2