NorthStar Navigation EXPLORER 657 operation manual Lat/lon grid

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Projected course	The 657 can estimate the course after a given time, based on the current speed and heading (see
	section 3-4). The options are 2 minutes, 10 minutes, 30 minutes, 1 hour, 2 hours or Off

CDI scale	See Appendix C. The options are 0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 4.0 and 10.0 distance units

Lat/lon grid	Displays a latitude and longitude grid

Boundaries	Displays boundaries around areas where more detailed chart coverage is available:
	Auto shows the next four detail levels; On shows all
Text/icon size	Select the size of chart text and icons

Water submenu

Water features	Displays marine sediment labels (for example, M shows areas of mud) and tide station icons

Bathymetrics	Displays underwater depth contours between Bath & sndgs min and max
Spot soundings	Displays depth soundings between Bath & sndgs min and max

Bath & sndgs min	The minimum depth for Bathymetrics and Spot soundings
Bath & sndgs max	The maximum depth for Bathymetrics and Spot soundings
Tidal flow	Displays dynamic tide flows: arrows on a chart showing the present tide stream and
	orientation (requires a GPS ﬁx and an NT-MAX card)

Land submenu

Land features	Displays land features, for example regions, rivers, roads, railways, airports

Land elevation	Displays land contours, shaded like depths (requires an NT Max card)


Other submenu

Waypoints	Displays waypoints: Hide all only displays waypoints on any selected route; Selected
	displays waypoints with their display option set to Icon or I+N (Icon and Name) (see section 5)
Names	Displays place names

Lights	Light House display options: Off hides all light indicators (the icon still shows); No sectors hides
	sectors; On shows sectors; Animated activates light animation.
	Note: with light animation enabled sectors are not visible, animation only operates in single
	chart view or in the top chart of chart + chart

Nav-aids	Displays signals (fog, radar, radio stations) and bouys. Int and US select the icon format;
	Smpl draws simpler icons
Attention areas	Displays attention area boundaries and information icons ; attention areas are important

	areas, such as restricted anchorages or shallow areas

64	Northstar Explorer 657 Installation and Operation Manual

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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 instrumentsIntroduction Cleaning and maintenance OverviewPlug-in cards 657 can use two kinds of plug-in cardChanging the plug-in card Removing the display unitTurn the display unit off see -2 and put the dust cover on Replacing the display unitUsing the keys Using the menusBasic Operation Overview of the keysTurning on and off / auto power Turning on manually Turning off manuallyBacklight and night mode Night modeTo cancel MOB or set another MOB Man overboard MOBSimulate mode Alarms657 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 listSetting the data header for a display Data headerCompass Displays can show data at the top, called the data headerNavigation Chart Going to a waypoint or to a point on the chartIntroduction to navigating Navigating to a pointStarting a route from the chart window Cancelling a routePreparing Starting a route from the routes windowChart window To go to the Chart window, press then select ChartTypical chart window shows Land Sea Cursor see section Typical waypoint see sectionChart modes Chart scaleChart symbols and information Latitude and longitudeFinding a chart symbol Perspective viewDistance and bearing calculator Projected courseNavigation Highway window Tracks and trackingTime intervals Interval Track Track 2, 3, 4 or Interval Track Track 2, 3, 4 orNavigation Waypoints Waypoints windowDisplaying a waypoint on the chart Managing waypointsCreating a new waypoint Moving a waypointNavigation Routes Deleting all waypointsChanging a waypoint’s data Sort WaypointsCreating a new route from the chart window Routes windowManaging routes Creating a new routeDisplaying a route on the chart Editing a route from the chartEditing a route Creating a new route from the routes windowSatellites Using Sonar fishfinding IntroductionSatellite window Satellite window showsInterpreting the display Strength of echoesBottom types Frequency and cone widthWater DepthWhen to use 50 kHz When to use 200 kHzShadows Example of shadowsWhen to use Mixed When to use 50/200 kHzKHz display 200/50 Khz display Mixed display Minute ago Seconds ago NowFish symbols Fish detection and display Where to find fishFish arches Range 657 has two range modesAuto Zoom range and offsetChanging mode Gain and thresholdGain window This display is called the gain windowSonar fishfinding Displays Sonar history display no splitExtended history mode Sonar Zoom and Full Screen Zoom displaysScreen. Press to return to the most recent echo History position barSonar Bottom display Sonar 50/200 displaySetting gain and threshold Sonar A-Scope displayFish recognition Bottom typeGauges window Data windowSelecting a Gauges layout Changing a gauge layoutFuel functions and display What the fuel computer doesFuel window Fuel window showsWhen you add or remove fuel When you remove fuel Low fuel alarmBoat speed sensors Speed Log Economy Range Water speed and ground speedSpeed Log Economy Fuel consumption curves Making a curveStart running the boat in a straight line Press twice, then select FuelUsing a curve Renaming a curveDeleting a curve Selecting a curveCalibration Setup enginesTo the reading of the fuel dispenser’s gauge Then press Tides window Choosing the date of the tide chartTides window shows data for the chosen date User card window has User card windowSaving data to the user card 15 AIS Deleting a file from the user cardSorting the file names Rereading the file informationViewing AIS Vessels Safety msgs rx AIS WindowsVessels Displaying Full AIS Details16 DSC/Buddy track windows Displays Distress PollUsing the displays Displaying a boat on the chart Boat positionsCreating a waypoint Deleting a boatSetting up SmartCraft Setup option menusTime see Favorites see 17-14 Simulate see Setup System Auto power off Factory reset LanguageSetup Chart Setting map datumRotation PaletteNmea datum offset Map shiftApplying a map shift Map shiftLat/lon grid Setup Sonar Pulse powerFrequency Digit sizeSetup GPS Setup FuelGPS Source Dgps SourceSetup engines Setup tanksSource Num enginesSetup Track DistanceTime RecordSetup AIS Show Dangerous Only Setup LogsReset total dist Reset engine hoursSetup Alarms Symbol AlarmArrival radius Anchor alarm Alarm sounds when it is onSetup Units TemperatureSetup Comms FuelSetup Calibrate Temperature filterSpeed Speed filterSetup Time Setup FavoritesKeel Offset Speed rangeInstallation Setup SimulateSimulate ModeInstallation What comes with Installation Options and AccessoriesOptional sensors and instruments GPS or Dgps antenna For GPS navigation see sectionPower/data cable Pin Wire FunctionConnections Display unit 18-3 Black Yellow BlueInstallation The display unit Flush MountingBracket Mounting There are two mounting arrangementsInstallation Power/data cable Basic powerBlack Power/data cable Red Yellow Fuse 2A Auto powerInstalling an antenna Installation GPS antenna Selecting an antennaDgps Source Installation Northstar petrol/gasoline sensors Installation Sonar transducerBlue Sonar cable Either Installation Other NavBus instruments Installation SmartCraftNavBus Installation Northstar VHF radio Installation Other Nmea instrumentsInstallation 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 handAppendix a Specifications Adindan Afgooye List of datumsSouth American Appendix B Troubleshooting General problemsGPS navigation problems Fuel consumption problemsSonar fishfinding problems Twin engine installation shows only one flow rateErratic Fuel Flow readings There is no reading for fuel economyBottom is displayed too far up the screen Bottom is not displayedThere is a double bottom trace displayed Appendix C Glossary and navigation data GlossaryNavigation data TBMFT!COUNBSJOFDPN