Lowrance electronic Fish Finder manual Depress ratchets to Release. Swivel base

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Ratchet
	Rear
	(away from viewer)
Screw hole
Power/transducer cable	Cable slot

M52 Pro quick release mounting bracket. Slots in the base allow

routing the cable from beneath the mount.

Attach the unit to the bracket by first connecting the power/transducer cable. Then, hold the sonar unit vertically and slide it onto the bracket from above. (The back of the unit should be touching the front of the bracket as you lower it into position.) As you push down, the unit will lock into place with a distinct click.

To adjust the viewing angle, pinch the ratchets with one hand, then tilt the unit with your other hand. Release the ratchets and the unit locks into the new position. To dismount the unit for storage, press the ratch- ets and lift the unit off the bracket.

Depress ratchets to

release. Swivel base

Adjust viewing angle: use one hand to press and release the spring- loaded ratchets while you move the unit with the other hand. An op- tional GBSA-3 swivel base is shown with the quick release bracket.

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Contents M52 Pro Visit our web site Table of Contents Split Zoom Sonar Chart Index Page Sonar GeneralBack-up memory Sonar soundingGPS How to use this manual typographical conventionsGraphic symbols for Waypoints or event Receiver/antennaTransducer Installation PreparationsRecommended Tools and supplies Selecting a Transducer LocationHow 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 Hulls With Floatation Materials Testing Determines Best LocationSHOOT-THRU-HULL Preparation Transducer location High speed Trolling speed Shoot-thru-hull Installation Power and Cable Connections Page In-Dash Installation Mounting the Sonar Unit In-Dash or BracketBracket Installation 107.5 82.7 156 Depress ratchets to Release. Swivel base Portable Sonar Installation Installing the BatteriesPortable transducer installed on boat transom Section Basic Sonar Operation KeyboardMain Menu Sonar Menu Commands Sonar MenuBasic Sonar Quick Reference Pages Sonar Operations Fish Symbols vs. Full Sonar Chart Important TipPage Alarms ASP Advanced Signal ProcessingZone Alarm Press MENUMENU↓ to ALARMSENT↓ to Sonar AlarmsentFish Alarm Chart Speed Depth CursorDepth Range Automatic Depth Range ManualDepth Range Upper and Lower Limits Fish I.D. Fish Symbols & Depths FasTrackFishTrack Grayline→Overlay Data Ping Speed & HyperScroll Automatic Sensitivity Reset OptionsSensitivity & Auto Sensitivity Keel and Waterline Offset Keel OffsetFull Sonar Chart Sonar Color ModeSonar Chart Display Options Waterline OffsetDigital Data/Chart Split Zoom Sonar ChartFlasher Pro TipsSonar Simulator Zoom & Zoom Bar Stop ChartSurface Clarity Zoom PanUnit freezes, locks up, or operates erratically Unit operates only in demo modeUnit wont turn on No fish arches when the Fish I.D. feature is off NoiseSection Basic GPS Operations Main MenuSonar Pages Satellite StatusNavigation Page Position PlotterViewing the Plotter Zoom & Cursor Arrow Keys Selecting Any Plotter Item With the Cursor Navigate to Cursor Position on PlotterGPS Quick Reference Waypoints Cancel NavigationFind Distance between Points Create a WaypointPress WPT↓ to Create Newent Delete a Waypoint Select a Waypoint Find a WaypointEdit a Waypoint Navigate To a Waypoint Set Man Overboard MOB Waypoint Creating and Saving a Trail Navigate Back to MOB WaypointTrails Tip Edit a Trail Name Delete a TrailDisplay a Saved Trail Navigate a Trail forward Navigate a TrailVisual Trailing Page Navigate a Back Trail Create Icon at Current Position IconsCreate Icon on Plotter Delete an IconCreate and Save a Route RoutesNavigate to an Icon Page Delete a Route Edit a Route NameNavigate a Route Navigate a Route backward Utilities Page Section System & GPS Setup Options Important Alarm Notes Auto Satellite SearchCoordinate System Selection Map Fix Customize Position Customize Page DisplaysGPS Simulator Customize Plotter or NavigationPlotter Auto Zoom Hide GPS FeaturesInitialize GPS Plotter Orientation From the Plotter or Sonar page, press MENU↓ Position Pinning Pop-up HelpScreen Contrast and Brightness Set Local Time Show Waas AlarmSet Language Sounds and Alarm Sound Styles Software Version InformationDelete All Trails Track SmoothingTrail Options Main Menu, left, Trails Menu, center, Trail Options, right New Trail Units of MeasureDelete Trail Trail Visible/Invisible and Other Trail OptionsMain Menu, left, Units of Measure Menu, right Index Page Page 100 Navico Databases License Agreement Databases Limited Warranty Navico Full ONE-YEAR Warranty How to Obtain Service… Not toll-freeAccessory Ordering Information for all countries Visit our web site