Furuno GP-1850F, GP-1850DF 11-9, System Setup soft key, Echo Offset 200kHz, Echo Offset 50kHz

Page 77

4.Select a range, ZOOM RANGE or B/L RANGE, and press the soft key EDIT. ZOOM RANGE selects the range to zoom in the marker and bottom zoom modes. The setting range is 7 to 5000 feet, and the default setting is 30 feet. B/L RANGE sets the expansion width for the bottom- lock display, 10 or 20 feet. The default setting is 20 feet.

5.Adjust the range with the cursor pad.

6.Press the soft key RETURN to go back to the RANGE SETUP menu.

TVG 200kHz, TVG 50kHz: TVG (Time Var- ied Gain) compensates for propagation at- tenuation of the ultrasonic waves. It does this by equalizing echo presentation so that fish schools of the same size appear in the same density in both shallow and deep waters. In addition, it reduces surface noise. Note that if the TVG level is set too high short range echoes may not be displayed.

Fish school A

SYSTEM SETUP soft key

The system setup menu provides functions for selection of fish alarm sensitivity, TX power selection, TVG adjustment, echo level offset and seabed echo offset.

1.Press the [MENU] key.

2.Press the soft key SOUNDER SETUP OPTIONS.

3.Press the soft key SYSTEM SETUP.

Fish school B

Figure 11-17 TVG concept

ECHO OFFSET 200kHz, ECHO OFFSET 50kHz:

If the on-screen echo level appears to be too weak or too strong and the level cannot be adjusted satisfactorily with the gain control, adjust echo offset to compensate for too weak or strong echoes. The default setting for both

sFISH ALM LVL

NORMAL

TX POWER

ON

TVG 200kHz

5

TVG 50kHz

5

ECHO OFFSET 200kHz

+00

ECHO OFFSET 50kHz

+00

SEABED LVL 200kHz

80

SEABED LVL 50kHz

80

 

 

SYSTEM

SETUP

EDIT

200 kHz and 50 kHz is zero.

SEABED LVL 200kHz, SEABED LVL 50kHz:

If the depth indication is unstable in automatic operation or the bottom echo cannot be dis- played in reddish-brown by adjusting the gain control in manual operation, you may adjust

 

 

RETURN

DGPS 3D

 

 

 

Figure 11-16 System setup menu

SYSTEM SETUP menu description

FISH ALM LVL: Sets the fish alarm sensitiv- ity; namely, which echo strength will trigger the alarm. HIGH, only the strongest echoes trigger the alarm; NORMAL, echoes from strong to medium strength trigger the alarm, LOW, any echo triggers the alarm. The de- fault setting is NORMAL.

TX POWER: Turns TX power on/off. The default setting is ON.

the bottom echo level detection circuit, for both 50 kHz and 200 kHz, to stabilize the in- dication. Note that if the level is set too low weak echoes may be missed and if set too high the depth indication will not be displayed. The default setting for both 200 kHz and 50 kHz is 80.

11-9

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Contents Color DGPS/PLOTTER/SOUNDER Color GPS/PLOTTER/SOUNDER First E D I T I O N FEB OCT Do not open the equipment About the TFT LCDDo not disassemble or modify the equipment Do not operate the equipment with wet handsTable of Contents Iii Declaration of ConformityWord to GP-1850DF/1850F Owners FeaturesForeword Display Unit System ConfigurationThis page is intentionally left blank Display Unit Controls Operational OverviewRemote controller Remote ControllerTurning the Power On/Off Inserting Mini Chart CardTurning the power off Display abbreviationsSelecting a display Adjusting Tone and BrilliancePlotter Displays Menu Operation, Soft Keys Sounder DisplaysPlotter/Sounder Display Normal Sounder DisplayDemonstration Display 11 Demo setting screenPrinciple of Operation Video Sounder OperationKHz picture Sounder Display DescriptionNormal sounder display indications, markers Bottom-zoom display Selecting sounder display modeMarker zoom display Bottom-lock displayDual-frequency Display Plotter/Sounder DisplayScope display EnterManual Sounder Operation Automatic Sounder OperationMeasuring Depth Adjusting the gainSelecting display range Range shiftingSuppressing Low Level Noise Sounder Setup OptionsSuppressing Interference White Marker Erasing Weak EchoesBackground and echo colors Selecting Picture Advance SpeedSelecting Background and Echo Colors Alarms Zero line Interpreting the DisplayFish school echoes Bottom echo34 Surface noise/aeration Surface noise/AerationPresentation Modes Plotter DisplaysNorth-up Course-upMini Chart Cards Selecting Chart Scale/RangeCursor Shifting the DisplayRemarks on chart display Indices and chart enlargementChart symbols Furuno mini chart cardAid to navigation data Port service icons Nav-Charts cardsComparison of Furuno and Nav-Charts chart cards GPS satellite monitor display Navigation Data DisplayEnlarging an indication Beacon information display How to read the compass displaySteering Display Highway Display How to read the XTE scaleSetting the range of the XTE scale Fifure 3-16 Display setup1 menu Changing Operation ModeNavigation Trip Distance FishingTracking TrackDisplaying Track Changing Track Color Stopping/Restarting Plotting of TrackTrack Plotting Method, Interval Track plotting methodTrack Memory Changing Track Memory CapacityTrack plotting interval Erasing All Track Plotter display MarkEntering Marks Video sounder display Changing Mark AttributesSmall Changing Mark SizeTions Displaying Track and Mark Points Erasing MarksErasing individual marks/lines Erasing whole marks/linesEntering Waypoints WaypointsEntering waypoints at own ship’s position Entering waypoints at MOB positionChanging the shape and color of waypoint mark Waypoint menuEntering waypoints by range and bearing Changing waypoint name, comment, proximity alarm radiusEntering waypoints by latitude and longitude position Changing waypoint positionChanging Waypoint Data Erasing Individual WaypointsErasing waypoints through the waypoint list Erasing waypoints by the cursorSearching Waypoints Waypoint Mark SizeChanging Waypoint Position on the Plotter Display This page is intentionally left blank Entering Routes RoutesEntering routes through the route list AbcdefInserting, Removing Waypoints Connecting RoutesEntering routes by the cursor Inserting waypoints through the route listRemoving waypoints from routes Inserting waypoints on the plotter displayAlph List WPTRemoving 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 Quick Points NavigationSelecting quick point entry method Navigating to a single quick pointNavigating to Waypoints waypoint list Navigating to Ports, Port ServicesNavigate route waypoints in reverse order Following a RouteNavigate directly to a route waypoint Navigate along specific leg of routeRestarting navigation Setting speed for ETA calculationSwitching waypoints Cancelling Navigation This page is intentionally left blank Audio Alarm On/Off Plotter AlarmsArrival Alarm IntroductionXTE Cross Track Error Alarm Anchor Watch AlarmProximity Alarm Speed AlarmAlarm messages and their meanings Alarm InformationAlarm messages Formatting Memory Cards Saving Data to Memory Card10-1 Saving dataLoading Data from Memory Card Error message10-2 Data overwrite10-3 ConfigurationTrack Waypoint/routeThis page is intentionally left blank Chart Offset menu Chart Setup Options menuCustomizing Your Unit 11-1Chart details menu description Chart Details menuDisplay Options menu 11-211-3 Display setup1 menu description11-4 Display SETUP2 menu description11-5 GPS Setup Options menu description11.3 GPS/DGPS/TD Options menu 11-6 Dgps Setup Options menuDgps Setup Options TD Setup TD Setup menu11-7 Displaying Loran C TDsRange Setup soft key Sounder Setup Options menuSounder Setup Options menu description 11-8System Setup menu description System Setup soft key11-9 Echo Offset 200kHz, Echo Offset 50kHzSetup Nmea Port 1 menu description Configuration menuSetup NMEA/DGPS Port 2 menu description 11-10UPLOAD/DOWNLOAD Data menu 11-11XON/XOFF Download waypoint/route to PC22 Connection of GP-1850DF GP-1850F to PC 11-12System Menu description 11-13System menu This page is intentionally left blank Using C-MAP NT Model Tidal Information Navigating to Ports, Port Services 12-4 Setting Chart Setup Options 20 Depth Info display 12-6Displaying Program Number This page is intentionally left blank Maintenance Maintenance & TroubleshootingRecommended maintenance program 13-1Simple Troubleshooting Replacement of Fuse, BatterySimple troubleshooting plotter 13-2Simple troubleshooting sounder Error MessagesError messages 13-313-4 Diagnostic TestsMemory, I/O port test TestDisplay test 13-5Keyboard test 13-6 Remote controller testClearing Memories Menu Tree Sounder Setup Options Audio Alarm ON, OFF Loran C Chains Decca Chains World Time Geodetic Chart List GPS Receiver GeneralDisplay Section PlotterSounder Coating Color Index-1 IndexIndex-2 Index-3
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GP-1850F, GP-1850DF specifications

Furuno is renowned for its high-quality marine electronics, and the GP-1850DF and GP-1850F are no exceptions. These advanced GPS chart plotters are designed to meet the needs of both professional mariners and recreational boaters alike.

The GP-1850DF is equipped with a powerful 12-channel GPS that provides fast and accurate positioning information, while the GP-1850F features a sturdy built-in fish finder, making it ideal for anglers. Both units boast a brilliant color display that enhances visibility in various lighting conditions, ensuring that users can easily read information on the screen, even in direct sunlight.

One of the standout features of these models is their compatibility with a variety of chart formats, including C-MAP, and Furuno’s proprietary raster charts. This flexibility allows users to choose from a broad range of navigational charts, catering to specific regional needs and preferences. The intuitive interface of the GP-1850 series simplifies navigation, offering menu-driven commands and support for multiple languages.

Furuno has integrated advanced sonar technology in the GP-1850F model, including a high-resolution fish finder capable of detecting fish signatures with remarkable precision. The dual-frequency capabilities enable users to switch between higher frequencies for shallow water fishing and lower frequencies for deeper waters. This enriches the fishing experience while improving catch rates.

Moreover, both devices feature a built-in waypoint register, allowing users to store up to 1,000 waypoints, which can be essential for returning to promising fishing spots or navigating back to port. The navigation functions also include routes and track recording, empowering boaters to create custom paths and review their previous journeys.

The GP-1850 series also places a high emphasis on safety, incorporating features like man overboard (MOB) alarms and route alarms to enhance on-water safety. Additionally, they are designed to withstand the harsh marine environment, with waterproof housings that ensure durability during adverse weather conditions.

In conclusion, the Furuno GP-1850DF and GP-1850F models provide an exceptional combination of performance, reliability, and user-friendly features, making them a preferred choice for both fishermen and navigators. Their adaptability in various maritime situations, alongside advanced technologies, cements their reputation as essential tools for successful and safe voyages on the water.