Lowrance electronic Fish Finder manual Fish Alarm

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At left, Sonar Alarms menu, with Adjust Zone command selected. At right, Adjust Zone Alarm selection box, with Upper Limit selected.

3.To set the upper boundary for the Zone Alarm, use ← or→ to select UPPER. Press ↑ or ↓ to move the top of the bar to the desired depth.

4.To set the lower boundary for the Zone Alarm, use ← or→ to select LOWER Press ↑ or ↓ to move the bottom of the bar to the desired depth.

5.Press EXIT← to ZONE ALARM ENABLEDENTEXITEXITEXIT. Now, any echo — fish, bottom, structure — within the zone alarm's depth range will trigger the zone alarm.

6.To turn off the alarm, press MENUMENU↓ to ALARMSENT↓ to SO- NAR ALARMSENT↓ to ZONE ALARM ENABLEDENTEXITEXITEXIT.

To switch to a different depth setting, open the Sonar Alarms menu and repeat the instructions in steps 3 and 4 above.

Sonar Alarms menu with Fish Alarm selected. The check box

to the left is checked, indicating the alarm is turned on.

Fish Alarm

With Fish I.D. turned on, the fish alarm will sound a tone when a fish symbol or other suspended objects appear on the display.

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Contents M52 Pro Visit our web site Table of Contents Split Zoom Sonar Chart Index Page Sonar sounding GeneralBack-up memory SonarReceiver/antenna How to use this manual typographical conventionsGraphic symbols for Waypoints or event GPSPreparations Transducer InstallationSelecting a Transducer Location Recommended Tools and suppliesHow low should you go? Shoot-thru-hull vs. Transom Mounting Transom Transducer Assembly and Mounting Insert bolt and check transducer position on transom Transom Trolling Motor Bracket Installation Transducer Orientation and Fish Arches Testing Determines Best Location SHOOT-THRU-HULL PreparationHulls With Floatation Materials Transducer location High speed Trolling speed Shoot-thru-hull Installation Power and Cable Connections Page Mounting the Sonar Unit In-Dash or Bracket In-Dash InstallationBracket Installation 107.5 82.7 156 Depress ratchets to Release. Swivel base Installing the Batteries Portable Sonar InstallationPortable transducer installed on boat transom Keyboard Section Basic Sonar OperationMain Menu Sonar Menu Sonar Menu CommandsBasic Sonar Quick Reference Pages Sonar Operations Important Tip Fish Symbols vs. Full Sonar ChartPage ASP Advanced Signal Processing AlarmsPress MENUMENU↓ to ALARMSENT↓ to Sonar Alarmsent Zone AlarmFish Alarm Depth Cursor Chart SpeedDepth Range Manual Depth Range AutomaticDepth Range Upper and Lower Limits FasTrack Fish I.D. Fish Symbols & DepthsGrayline→ FishTrackOverlay Data Ping Speed & HyperScroll Reset Options Sensitivity & Auto SensitivityAutomatic Sensitivity Keel Offset Keel and Waterline OffsetWaterline Offset Sonar Color ModeSonar Chart Display Options Full Sonar ChartSplit Zoom Sonar Chart Digital Data/ChartPro Tips Sonar SimulatorFlasher Zoom Pan Stop ChartSurface Clarity Zoom & Zoom BarUnit operates only in demo mode Unit wont turn onUnit freezes, locks up, or operates erratically Noise No fish arches when the Fish I.D. feature is offMain Menu Section Basic GPS OperationsSatellite Status Sonar PagesNavigation Page Plotter PositionViewing the Plotter Zoom & Cursor Arrow Keys Navigate to Cursor Position on Plotter Selecting Any Plotter Item With the CursorGPS Quick Reference Create a Waypoint Cancel NavigationFind Distance between Points WaypointsPress WPT↓ to Create Newent Delete a Waypoint Find a Waypoint Edit a WaypointSelect a Waypoint Navigate To a Waypoint Set Man Overboard MOB Waypoint Navigate Back to MOB Waypoint TrailsCreating and Saving a Trail Tip Delete a Trail Display a Saved TrailEdit a Trail Name Navigate a Trail Visual TrailingNavigate a Trail forward Page Navigate a Back Trail Delete an Icon IconsCreate Icon on Plotter Create Icon at Current PositionRoutes Navigate to an IconCreate and Save a Route Page Edit a Route Name Delete a RouteNavigate a Route Navigate a Route backward Utilities Page Section System & GPS Setup Options Auto Satellite Search Important Alarm NotesCoordinate System Selection Map Fix Customize Plotter or Navigation Customize Page DisplaysGPS Simulator Customize PositionHide GPS Features Initialize GPSPlotter Auto Zoom Plotter Orientation From the Plotter or Sonar page, press MENU↓ Pop-up Help Position PinningScreen Contrast and Brightness Show Waas Alarm Set LanguageSet Local Time Software Version Information Sounds and Alarm Sound StylesTrack Smoothing Trail OptionsDelete All Trails Main Menu, left, Trails Menu, center, Trail Options, right Trail Visible/Invisible and Other Trail Options Units of MeasureDelete Trail New TrailMain Menu, left, Units of Measure Menu, right Index Page Page 100 Navico Databases License Agreement Databases Limited Warranty Navico Full ONE-YEAR Warranty Not toll-free How to Obtain Service…Accessory Ordering Information for all countries Visit our web site