Humminbird 161 manual GPS & Navigation Terms

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X-PressTMMenu: X-PressTMMenus are a Humminbird® feature that make the most commonly-used menu selections available with one press of the MENU key. Items that appear on the X-PressTMMenu are related to the current view, and present the most logical choices for that view. Sonar View X-PressTMmenus will differ from Chart View X-PressTMmenus, etc. X-PressTMmenus are one of the principal reasons that Humminbird® products are easier to use.

Zoom: Zoom is a feature that focuses in on a smaller area of the bottom to provide enhanced resolution. With enhanced resolution, the angler can more easily see fish hanging in structure or multiple fish hanging close together. Split screen zoom divides the display into the full range view on the right, and the zoomed view on the left. Humminbird® offers One-Touch® Zoom which allows the zoom feature to be easily accessed from the regular sonar view with just one key press, eliminating the need to use menus to access the feature.

Zoom, Bottom Lock: Bottom Lock Zoom is a feature that focuses on a smaller area just above the bottom to provide enhanced resolution. Unlike regular zoom, it continuously graphs the bottom at a constant point on the display regardless of changes in depth. This "flattens" out the bottom contour, but is effective at showing fish on or near the bottom, and is preferred by many saltwater anglers.

GPS & Navigation Terms:

Acquisition Time: The length of time that a GPS receiver typically takes to determine a position from at least three satellites. Humminbird® GPS receivers provide very fast acquisition times (under one minute), permitting users to get out on the water faster.

Alarm, Arrival: The audible alert that sounds when the boat is equal to or less than the alarm setting (25 feet–3000 feet) from the location of the destination waypoint.

Alarm, Drift: Drift Alarm is an audible alert that sounds when the boat is equal to or over the alarm setting (25 feet–3000 feet) from the location where the alarm was turned on.

Alarm, Off-Course:Off-Course Alarm is an audible alert that sounds when the boat’s distance from the intended Track, (Cross Track Error), is equal to or over the alarm setting (25 feet – 3000 feet). See Track and Cross Track Error.

Altitude: Altitude measures height above sea level. Altitude is a measurement that can be provided by GPS.

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Contents GPS Chartplotter Operations Manual Thank You Table of Contents Key Functions IiiSonar Menu Tab Chart Menu Tab Specifications Glossary Contact Humminbird 103 How Sonar Works Peak to Peak measures power output at the highest points Single Beam Sonar How GPS and Cartography WorkPage What’s On the Display Bait Ball Hard Bottom Rocky BottomStructure where fish may be hiding Adjacent to your boat, including the following itemsZoom View Chart View Big Digits View ViewsSonar views Sonar ViewSonar View Understanding Sonar History Real Time Sonar RTS WindowFreeze Frame Bottom PresentationPage Sonar Zoom View Sonar Zoom ViewBig Digits View Circular Flasher ViewBird’s Eye View Bird’s Eye ViewChart View Chart View without Active CursorCombo View View OrientationChart View with Cursor Present Viewing CartographyIntroduction to Navigation Waypoints, Routes and TracksSave, Edit, or Delete a Waypoint Navigate to a Waypoint or Position Navigation X-PressTMmenu Add a Waypoint Target or Trolling GridSave, Edit or Delete a Route Save or Clear a Current Track Edit, Delete or Hide Saved TracksPOWER/LIGHT Key Key FunctionsView Key Info KeyMenu Key WAY Cursor Control KeyMark Key Goto KeyZoom +/- Key Exit KeyPowering Up the Unit Menu SystemSonar Tab Normal Mode Advanced Mode Normal Simulator System Status Start-Up Options MenuNormal Operation Simulator System StatusAccessory Test Self TestGPS Diagnostic View GPS Diagnostic ViewSonar X-PressTMMenu Sonar views onlyHighlight Sensitivity on the Sonar X-PressTMmenu To adjust the SensitivitySensitivity To adjust the Upper Range Upper RangeHighlight Lower Range on the Sonar X-PressTMmenu To adjust the Lower RangeLower Range Chart Speed To adjust the Chart SpeedTo adjust the Bottom View Bottom ViewTo adjust the Bottom Range Bottom RangeBottom Lock To turn on Bottom LockCancel Navigation To Cancel NavigationHighlight Cancel Navigation on the Sonar X-PressTMmenu Only when NavigatingNavigation X-PressTMMenu Navigation views onlyWaypoint Name To view the Waypoint Name SubmenuHighlight WaypointName on the Navigation X-PressTMmenu Waypoint Submenu contains the following menu choicesChart or Combo view only Cursor to WaypointSave Current Track To move cursor to a saved waypointSkip Next Waypoint Clear Current TrackSave Current Route Highlight Cancel Navigation on the Navigation X-PressTMmenu Remove TargetTo Remove a Target Only if a Target is ActiveRemove Grid Sonar WindowTo Remove a Grid To Set the Size of the Sonar Window in the Combo ViewMost recently-created waypoint Sonar tab Press the Menu key twice to access the Main MenuSonar Menu Tab Fish ID+TM To turn Fish ID+ on or offTo change the Fish ID Sensitivity setting To change the RTS Window settingFish ID Sensitivity Highlight Fish ID Sensitivity on the Sonar main menuTo change the Zoom Width Setting To change the Depth Lines settingZoom Width Depth LinesTo change the Surface Clutter setting Surface ClutterTo change the Noise Filter setting To change the Max Depth settingNoise Filter Max DepthTo change the Water Type setting Water TypeNavigation Menu Tab Navigation tabCurrent Track Current Track allows you to view the Current Track submenuTo view the Current Track Submenu Highlight Current Track on the Navigation main menuSaved Tracks Saved Tracks allows you to view the Saved Tracks submenuTo view the Saved Tracks Submenu Highlight Saved Tracks on the Navigation main menuWaypoints To view the Waypoints SubmenuHighlight Waypoints on the Navigation main menu Waypoints Submenu contains the following menu choicesRoutes To view the Routes SubmenuHighlight Routes on the Navigation main menu Routes Submenu contains the following menu choicesGrid Rotation Chart OrientationNorth Reference To change the Trackpoint Interval setting To change the Track Minimum Distance settingTrackpoint Interval Track Min DistanceDelete All Nav Data Map DatumCourse Projection Line Chart Menu Tab Highlight Chart Detail Level on the Chart main menu Chart Detail LevelTo change the Chart Detail Level setting To change the Map Borders setting To change the Lat/Lon Grid settingMap Borders Lat/Lon GridSet Simulation Position To set the Simulation PositionTo change the Map Offset setting Set Map OffsetClear Map Offset To Clear Map OffsetAlarms Menu Tab Depth Alarm Fish ID AlarmTo change the Depth Alarm setting To change the Fish ID Alarm settingLow Battery Alarm Temp AlarmTo change the Low Battery Alarm setting To change the Temp Alarm settingOff Course Alarm Arrival AlarmTo change the Off Course Alarm setting To change the Arrival Alarm settingDrift Alarm Alarm ToneTo change the Drift Alarm setting To change the Alarm Tone settingSetup Menu Tab Units Distance Units DepthUnits Temp Language User ModeUnits Speed Triplog Reset Restore DefaultsTo Reset Triplog To Restore DefaultsSelect Readouts Advanced, Sonar view onlyTo Select Readouts To change the Depth Offset settingDepth Offset To change the Temp Offset setting To change the Speed Calibration settingTemp Offset Speed CalibrationTo change the Daylight Saving Time setting Local Time ZoneDaylight Saving Time To change the Local Time ZoneTo change the Position Format setting Position FormatTime Format To change the Time FormatTo change the Date Format Date FormatNmea Output To turn Sonar on or off SonarTo turn Nmea Output on or off Views Menu Tab Combo ViewTo Change the View Status of Any View Highlight the View main menu tabTroubleshooting SeriesTM Defaults to Simulator with a Transducer AttachedOr faulty Display ProblemsProblem Possible Cause Finding the Cause of Noise IsolationBoat’s engine Cavitation fromSpecifications Glossary Sonar TermsPage Page Page Page Receiver See Transmitter Page Page Page GPS & Navigation Terms Page Page 100 101 102 103 104 Contact Humminbird 105