Furuno GP-1650F, GP-1650DF manual Automatic Sounder Operation, Manual Sounder Operation

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2.5Automatic Sounder Operation

Automatic sounder operation is useful when you are preoccupied with other tasks and do not have time to adjust the display.

How the automatic sounder works

The automatic sounder function automatically selects the proper gain, range scale and clut- ter suppression level according to depth. It works as follows:

Range changes automatically to locate the bottom on the lower half of screen. It jumps to one step shallower range when bottom echoes reach a half way point of the full scale from top and to one step deeper range when they come to the lower edge of scale.

The gain is automatically adjusted to dis- play the bottom echo in reddish brown (de- fault color arrangement).

Clutter, which suppresses low level noise, is automatically adjusted.

Two types of automatic sounder modes

Two types of automatic sounder modes are available: CRUISING and FISHING. CRUIS- ING is for tracking the bottom, and FISHING is for searching fish schools. CRUISING uses a higher clutter rejection setting than FISH- ING therefore it is not recommended for fish detection - weak fish echoes may be erased by the clutter suppression circuit.

How to enable automatic sounder operation

1.To show the mode/freq window:

Normal sounder display: Press the soft key MODE/FREQ.

Plotter/sounder display: Press the soft key SNDR, MODE/FREQ in order.

Dual-frequency display: Press the soft

key MODE.

MODE/FREQ

'AUTO CRUISING AUTO FISHING

MANUAL

Figure 2-14 Mode/frequency window

2.Press or to select AUTO CRUISING or AUTO FISHING.

3.Press the soft key RETURN to close the window automatically, or wait 10 seconds and the window closes automatically.

2.6Manual Sounder Operation

Manual operation is useful for observing fish schools and bottom using fixed gain setting.

The gain, range and range shifting functions used together give you the means to select the depth you can see on screen. The basic range can be thought of as providing a “win- dow” into the water column and range shift- ing as moving the “window” to the desired depth.

Selecting the manual mode

1.Press the appropriate soft key to show the mode/freq window.

2.Select MANUAL.

3.Press the soft key RETURN.

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Contents Color DGPS/PLOTTER/SOUNDER Color GPS/PLOTTER/SOUNDER 199 Do not operate the equipment with wet hands About the TFT LCDDo not open the equipment Do not disassemble or modify the equipmentTable of Contents Iii SpecificationsSounder Setup Options Declaration of ConformityForeword FeaturesWord to GP-1650DF/1650F Owners Display Unit System ConfigurationThis page is intentionally left blank Display Unit Controls Operational OverviewDisplay abbreviations Inserting Mini Chart CardTurning the Power On/Off Turning the power offPlotter Displays Adjusting Tone and BrillianceSelecting a display Normal Sounder Display Sounder DisplaysMenu Operation, Soft Keys Plotter/Sounder DisplayDemonstration Display 10 Demo setting screenThis page is intentionally left blank Principle of Operation Video Sounder OperationNormal sounder display indications, markers Sounder Display DescriptionKHz picture Bottom-lock display Selecting sounder display modeBottom-zoom display Marker zoom displayEnter Plotter/Sounder DisplayDual-frequency Display Scope displayManual Sounder Operation Automatic Sounder OperationRange shifting Adjusting the gainMeasuring Depth Selecting display rangeSuppressing Low Level Noise Suppressing InterferenceWhite Marker Erasing Weak EchoesSelecting Background and Echo Colors Selecting Picture Advance SpeedBackground and echo colors Alarms Bottom echo Interpreting the DisplayZero line Fish school echoes34 Surface noise/aeration Surface noise/AerationCourse-up Plotter DisplaysPresentation Modes North-upShifting the Display Selecting Chart Scale/RangeMini Chart Cards CursorFuruno mini chart card Indices and chart enlargementRemarks on chart display Chart symbolsComparison of Furuno and Nav-Charts chart cards Port service icons Nav-Charts cardsAid to navigation data Enlarging an indication Navigation Data DisplayGPS satellite monitor display Steering Display How to read the compass displayBeacon information display Setting the range of the XTE scale How to read the XTE scaleHighway Display Fishing Changing Operation ModeFifure 3-16 Display setup1 menu Navigation Trip DistanceDisplaying Track TrackTracking Track plotting method Stopping/Restarting Plotting of TrackChanging Track Color Track Plotting Method, IntervalTrack plotting interval Changing Track Memory CapacityTrack Memory Erasing All Track Entering Marks MarkPlotter display Video sounder display Changing Mark AttributesVideo sounder display Tions Changing Mark SizeSmall Erasing whole marks/lines Erasing MarksDisplaying Track and Mark Points Erasing individual marks/linesEntering waypoints at MOB position WaypointsEntering Waypoints Entering waypoints at own ship’s positionChanging the shape and color of waypoint mark Waypoint menuChanging waypoint position Changing waypoint name, comment, proximity alarm radiusEntering waypoints by range and bearing Entering waypoints by latitude and longitude positionErasing waypoints by the cursor Erasing Individual WaypointsChanging Waypoint Data Erasing waypoints through the waypoint listChanging Waypoint Position on the Plotter Display Waypoint Mark SizeSearching Waypoints This page is intentionally left blank Abcdef RoutesEntering Routes Entering routes through the route listInserting waypoints through the route list Connecting RoutesInserting, Removing Waypoints Entering routes by the cursorWPT Inserting waypoints on the plotter displayRemoving waypoints from routes Alph ListRemoving route waypoints from the plotter display Creating Track-based RoutesSave icon appearance On the plotter display Erasing RoutesThis page is intentionally left blank Navigating to a single quick point NavigationNavigating to Quick Points Selecting quick point entry methodNavigating to Waypoints waypoint list Navigating to Ports, Port ServicesNavigate along specific leg of route Following a RouteNavigate route waypoints in reverse order Navigate directly to a route waypointSwitching waypoints Setting speed for ETA calculationRestarting navigation Cancelling Navigation This page is intentionally left blank Introduction Plotter AlarmsAudio Alarm On/Off Arrival AlarmXTE Cross Track Error Alarm Anchor Watch AlarmProximity Alarm Speed AlarmAlarm messages Alarm InformationAlarm messages and their meanings Saving data Saving Data to Memory CardFormatting Memory Cards 10-1Data overwrite Error messageLoading Data from Memory Card 10-2Waypoint/route Configuration10-3 TrackThis page is intentionally left blank 11-1 Chart Setup Options menuChart Offset menu Customizing Your Unit11-2 Chart Details menuChart details menu description Display Options menu11-3 Display setup1 menu description11-4 Display SETUP2 menu description11.3 GPS/DGPS/TD Options menu GPS Setup Options menu description11-5 Dgps Setup Options Dgps Setup Options menu11-6 Displaying Loran C TDs TD Setup menuTD Setup 11-711-8 Sounder Setup Options menuSounder Setup Options menu description Range Setup soft keyEcho Offset 200kHz, Echo Offset 50kHz System Setup soft keySystem Setup menu description 11-911-10 Configuration menuSetup Nmea Port 1 menu description Setup NMEA/DGPS Port 2 menu descriptionDownload waypoint/route to PC 11-11UPLOAD/DOWNLOAD Data menu XON/XOFF22 Connection of GP-1650DF/GP-1650F to PC 11-12System menu 11-13System Menu description This page is intentionally left blank Using C-MAP NT Model Example of caution area window 12-2Objects window 12-313 Plotter display 12-4Setting Chart Setup Options 20 Depth Info display 12-621 Memory, I/O test results 12-7This page is intentionally left blank 13-1 Maintenance & TroubleshootingMaintenance Recommended maintenance program13-2 Replacement of Fuse, BatterySimple Troubleshooting Simple troubleshooting plotter13-3 Error MessagesSimple troubleshooting sounder Error messagesTest Diagnostic Tests13-4 Memory, I/O port testKeyboard test 13-5Display test 13-6 Clearing MemoriesMenu Tree Furuno chartSounder Setup Options Audio Alarm ON, OFF Loran C Chains Decca Chains World Time Geodetic Chart List Plotter GeneralGPS Receiver Display SectionCoating Color Index-1 IndexIndex-2 Index-3