Minute ago Seconds ago Now | NorthStar Navigation EXPLORER 657

Comparison of the same fish scenario displayed at different frequencies:

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50 kHz display		200 kHz display

200/50 Khz display		Mixed display

36	Northstar Explorer 657 Installation and Operation Manual

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NorthStar Navigation EXPLORER 657 operation manual KHz display 200/50 Khz display Mixed display, Minute ago Seconds ago Now

Contents

Explorer Possible injury or death Could result in death or serious injuryCould result in minor or moderate injury DamagePage Contents Tides window User card window 15 AIS Installation Northstar petrol/gasoline sensors Installation Other Nmea instruments Introduction Cleaning and maintenance OverviewPlug-in cards 657 can use two kinds of plug-in card Changing the plug-in card Removing the display unitTurn the display unit off see -2 and put the dust cover on Replacing the display unit Using the keys Using the menusBasic Operation Overview of the keys Turning on and off / auto power Turning on manually Turning off manually Backlight and night mode Night modeTo cancel MOB or set another MOB Man overboard MOB Alarms Simulate mode657 has user settable alarms see section Main windows Page Multi window displays Favorite displays Selecting a favorite displayAdding a favorite display to the list Deleting a favorite display from the list Setting the data header for a display Data headerCompass Displays can show data at the top, called the data header Navigation Chart Going to a waypoint or to a point on the chartIntroduction to navigating Navigating to a point Starting a route from the chart window Cancelling a routePreparing Starting a route from the routes window Chart window To go to the Chart window, press then select ChartTypical chart window shows Land Sea Cursor see section Typical waypoint see section Chart modes Chart scaleChart symbols and information Latitude and longitude Finding a chart symbol Perspective viewDistance and bearing calculator Projected course Navigation Highway window Tracks and trackingTime intervals Interval Track Track 2, 3, 4 or Interval Track Track 2, 3, 4 or Navigation Waypoints Waypoints window Displaying a waypoint on the chart Managing waypointsCreating a new waypoint Moving a waypoint Navigation Routes Deleting all waypointsChanging a waypoint’s data Sort Waypoints Creating a new route from the chart window Routes windowManaging routes Creating a new route Displaying a route on the chart Editing a route from the chartEditing a route Creating a new route from the routes window Satellites Using Sonar fishfinding IntroductionSatellite window Satellite window shows Interpreting the display Strength of echoes Bottom types Frequency and cone widthWater Depth When to use 50 kHz When to use 200 kHzShadows Example of shadows When to use Mixed When to use 50/200 kHz KHz display 200/50 Khz display Mixed display Minute ago Seconds ago Now Fish detection and display Where to find fish Fish symbolsFish arches Range 657 has two range modesAuto Zoom range and offset Changing mode Gain and thresholdGain window This display is called the gain window Sonar fishfinding Displays Sonar history display no split Extended history mode Sonar Zoom and Full Screen Zoom displaysScreen. Press to return to the most recent echo History position bar Sonar Bottom display Sonar 50/200 display Setting gain and threshold Sonar A-Scope displayFish recognition Bottom type Gauges window Data windowSelecting a Gauges layout Changing a gauge layout Fuel functions and display What the fuel computer doesFuel window Fuel window shows When you add or remove fuel Low fuel alarm When you remove fuelBoat speed sensors Water speed and ground speed Speed Log Economy RangeSpeed Log Economy Fuel consumption curves Making a curveStart running the boat in a straight line Press twice, then select Fuel Using a curve Renaming a curveDeleting a curve Selecting a curve Setup engines CalibrationTo the reading of the fuel dispenser’s gauge Then press Choosing the date of the tide chart Tides windowTides window shows data for the chosen date User card window User card window hasSaving data to the user card 15 AIS Deleting a file from the user cardSorting the file names Rereading the file information Viewing AIS Vessels Safety msgs rx AIS WindowsVessels Displaying Full AIS Details 16 DSC/Buddy track windows Displays Distress Poll Using the displays Displaying a boat on the chart Boat positionsCreating a waypoint Deleting a boat Setting up Setup option menus SmartCraftTime see Favorites see 17-14 Simulate see Setup System Auto power offFactory reset Language Setup Chart Setting map datumRotation Palette Nmea datum offset Map shiftApplying a map shift Map shift Lat/lon grid Setup Sonar Pulse powerFrequency Digit size Setup GPS Setup FuelGPS Source Dgps Source Setup engines Setup tanksSource Num engines Setup Track DistanceTime Record Setup AIS Show Dangerous Only Setup LogsReset total dist Reset engine hours Setup Alarms Symbol AlarmArrival radius Anchor alarm Alarm sounds when it is on Setup Units TemperatureSetup Comms Fuel Setup Calibrate Temperature filterSpeed Speed filter Setup Time Setup FavoritesKeel Offset Speed range Installation Setup SimulateSimulate Mode Installation What comes with Installation Options and AccessoriesOptional sensors and instruments GPS or Dgps antenna For GPS navigation see section Power/data cable Pin Wire FunctionConnections Display unit 18-3 Black Yellow Blue Installation The display unit Flush MountingBracket Mounting There are two mounting arrangements Installation Power/data cable Basic powerBlack Power/data cable Red Yellow Fuse 2A Auto power Installation GPS antenna Selecting an antenna Installing an antennaDgps Source Installation Sonar transducer Installation Northstar petrol/gasoline sensorsBlue Sonar cable Either Installation SmartCraft Installation Other NavBus instrumentsNavBus Installation Northstar VHF radio Installation Other Nmea instruments Installation Setup and test Enter setup data to set up the 657 to yourIf the display unit is bracket mounted, adjust Tilt and rotation for best viewing and hand Appendix a Specifications List of datums Adindan AfgooyeSouth American Appendix B Troubleshooting General problems GPS navigation problems Fuel consumption problems Sonar fishfinding problems Twin engine installation shows only one flow rateErratic Fuel Flow readings There is no reading for fuel economy Bottom is not displayed Bottom is displayed too far up the screenThere is a double bottom trace displayed Appendix C Glossary and navigation data Glossary Navigation data TBMFT!COUNBSJOFDPN

1 minute ago

30 seconds ago

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50 kHz display

200/50 Khz display

Mixed display