Attaching transducer to transom | Lowrance electronic LMS-525C DF

Transom

Transom

Position transducer mount on transom and mark mounting holes.

Side view shown, left, and seen from above at right.

5.Attaching transducer to transom.

A. One-piece bracket: Remove the transducer from the bracket and re-assemble it with the cable passing through the bracket over the bolt as shown in the following figures.

For single-frequency Skimmer, route cable over bolt and through

bracket. Side view shown, left, and seen from above at right.

Both bracket types: Attach the transducer to the transom. Slide the transducer up or down until it's aligned properly with the bottom of the hull as shown in the preceding and following figures. Tighten the bracket's mounting screws, sealing them with the sealant.

Adjust the transducer so that it's parallel to the ground and tighten the nut until it touches the outer washer, then add 1/4 turn. Don't over tighten the lock nut! If you do, the transducer won't "kick-up" if it strikes an object in the water.

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Lowrance electronic LMS-525C DF, LMS-520C manual Attaching transducer to transom

Contents

LMS-520C & LMS-525C DF Copyright 2006 Lowrance Electronics, Inc All rights reserved Table of Contents Automatic Sensitivity Advanced GPS Operations 139 101105 121 153 193 Nmea 2000 Device Configuration 207 231 Vii Viii Read Me First Page LMS-525cDF 50/200 kHz GeneralBack-up memory Sonar Surface water temp Sonar soundingAutomatic ranging Zoom bottom track Graphic symbols for Waypoints or event Position updatesHow Lowrance Sonar Works How Lowrance GPS Works Introduction to GPS and Waas Page Page Arrow Keys How to use this manual typographical conventions Keyboard Menu CommandsInstructions = Menu Sequences Page Preparations Transducer Installation Selecting a Transducer Location Good and poor transducer locations Shoot-thru-hull vs. Transom Mounting How low should you go? Assembling the bracket Transom Transducer Assembly And Mounting Aligning the transducer on the transom Insert bolt and check transducer position on transom Drilling mounting holes Assembling the transducer Attaching transducer to transom Bottom Hull Flat-bottom hullDeep-vee hull Transducer Orientation and Fish Arches Trolling Motor Bracket Installation single-frequency only Shoot-Thru-Hull Preparation Testing Determines Best Location True bottom Second bottom Manual range setting Shoot-thru-hull Installation Optional Speed Sensor Installation Speed/Temperature Sensors Good location Power Connections Failure to use a 3-amp fuse will void your warranty Powering Your Display Unit Power Diagram a Powering a Nmea 2000 Network Bus Power Diagram B GPS Antenna/Receiver Module Connecting to a Nmea 2000 Network Nmea 0183 Wiring Data cable Page LMS-520c and LMS-525cDF cable connections Mounting the Unit Bracket, In-Dash or Portable Bracket Installation Front Template4.46 In-Dash Installation Portable Installation MMC or SD Card Memory Card Installation To add an MMC or SD Card To remove an MMC Cleaning Towel Other Accessories Face Cover Page Keyboard Basic Sonar Operation Main Menu Power/lights on and off Main Menu Satellite Status Pages Map Navigation Sonar Page Sonar Page showing full sonar chart mode Basic Sonar Quick Reference Sonar Operations To adjust sensitivity Important Tip Fish Symbols vs. Full Sonar Chart Other Free Training Aids Page To change the ASP level ASP Advanced Signal Processing Depth Alarms Alarms Zone Alarm Fish Alarm GPS Alarms Important Alarm Notes Nmea 2000 Alarms Tip Calibrate Speed Chart Speed Colorline To change chart speed Depth Cursor To adjust Colorline levelCursor Depth Range Manual Depth Range Automatic To change the upper and lower limits Depth Range Upper and Lower Limits To turn off upper and lower limits FasTrack Fish I.D. Fish Symbols & Depths Page To turn on FishTrack To turn the Fish I.D. feature onFishTrack Frequency Change Transducer Frequency LMS-525cDF only To change the frequency setting to 200 kHz To change the frequency setting to 50 kHzHyperScroll To record or log chart data Log Sonar Chart Data Overlay Data Noise RejectionTo overlay information on your screen Data Viewer menu left. Sonar Data category expanded right To move overlaid data To remove overlaid data Ping Speed & HyperScroll To change Ping Speed Reset OptionsTo turn off HyperScroll Set Keel Offset Reset Water Distance Sensitivity & Auto Sensitivity Automatic Sensitivity To adjust sensitivity in auto mode To adjust sensitivity in manual mode Sonar Chart ModeTo turn Auto Sensitivity back on To change the chart mode color scheme+ Sonar Page & Sonar Chart Display OptionsFull Sonar Chart Split Frequency Sonar Chart LMS-525cDF only Split Zoom Sonar Chart Customize Page Displays Digital Data/Chart To change the information displayed in a data box Flasher Sonar with Custom Gauges To customize digital gauge display Map with Sonar Split Screen To resize Sonar and Custom Gauge windows To use the simulator Sonar Simulator Press ↓ ↑ to file nameENT↓ to Playentexit Stop Chart Surface Clarity To adjust the Surface Clarity level Transparency To adjust Menu Transparency level 100 Upper and Lower LimitsZoom & Zoom Bar Zoom Pan Unit freezes, locks up, or operates erratically Unit wont turn on101 102 No fish arches when the Fish I.D. feature is off 103 104 105 Basic GPS Operations 106 107 108 109 To set up Custom Gauge 110 111 Navigation 112 113 114 Background map vs. MapCreate map content 115 116 To resize Map with Sonar windows Map with Sonar117 118 Map with Custom Gauges 119 Radar 120 To access Radar 121 Basic GPS Quick Reference Moving Around the Map Zoom & Cursor Arrow Keys Find Your Current Position122 Searching Selecting Any Map Item with the Cursor123 124 After the unit has acquired a position To create and save a Waypoint Set a Waypoint125 126 Set Man Overboard MOB Waypoint Navigate To a Waypoint127 Navigate to Cursor Position on Map Navigate Back to MOB Waypoint128 129 Creating and Saving a Trail Navigate to a Point of Interest130 131 To Save a Trail To turn off trail display Displaying a Saved Trail132 Navigate a Trail Navigating TrailsTo turn on trail display Visual Trailing 134 Sure press ←ENT.Figure 135 Navigate a Back Trail backtrack 136 Transfer Custom Maps and GPS Data FilesCustom Maps GPS Data files 137 138 Cancel Navigation Find Distance from Point to Point Find Distance from different Locations139 Delete an Icon IconsCreate Icon on Map Create Icon at Current Position Navigate to an Icon Routes141 142 Create and Save a Route 143 144 Delete a Route Edit Route Waypoints Edit a Route Name145 Navigate a Route in Reverse Navigate a Route146 Delete a Trail Trails147 148 Edit a Trail NameEdit a Trail Color Edit a Trail Pattern Waypoints Utilities Edit a Waypoint To edit waypoint name To edit waypoint symbolTo delete a waypoint from the map To delete all waypoints at one time 151 Set a Waypoint by Projecting a Position Set a Waypoint by Average Position152 153 To change alarm settings 154 Auto Satellite Search Check MMC Files and Storage Space Communications Port Configuration155 156 Configure NmeaCoordinate System Selection To get to Coordinate System Selection 157 To set up Loran TD Map Fix To configure a map fix158 To change data box information Customize Page Displays159 To turn on the GPS Simulator GPS Simulator160 161 Steer with Arrows Simulating Trail or Route Navigation Hide GPS FeatureTo Hide GPS Features Initialize GPS To turn on Auto Zoom Map Auto ZoomMap Data To Initialize GPS To turn on/off Draw Map Boundaries To access Map Data menuTo show Map Data To turn on/off Pop-up Map Information To turn on/off Lat/Long Grid lines Map Datum SelectionMap Overlays Range Rings Lat/Long Grid To turn on/off range rings Map Orientation Map Detail Category Selection166 167 Nautical Chart Notes NauticPath USA Marine Charts168 169 To view Chart Note informationTo view Port Services information Port Information 170 Tidal Current Information 171 To view Tidal Current information Tide Information To select another date172 To view tide information Navionics→ Charts173 174 To display a Navionics chart 175 176 177 Pop-up Help To set up Popup Help178 179 180 Screen Contrast and Brightness To set the Month To adjust the screens display modeSet Language Set Local Time To select Time Format Show Waas AlarmTo Configure DST To set the Year To Require Waas To turn on/off the Waas AlarmTo access Software Information Software Version Information To set Alarm Style Sounds and Alarm Sound StylesTo set Alarm Sounds To set Volume Trail Options Track Smoothing185 186 Update Trail OptionTo create a New Trail To Delete all Trails 187 Trail Visible/Invisible and Other Trail Options To delete a Trail188 189 To adjust Transparency levelUnits of Measure To change Units of Measure To set Speed/Distance 190 To set Temperature unitsTo set Pressure units To set Depth units To set Heading units To set Volume units191 192 193 Searching 194 Find Streets Find Interstate Highway Exits Find Any Item Selected by Map Cursor195 196 197 198 Find Map Places or Points of Interest POI 199 Find a Street Find Streets or Intersections200 201 Find an Intersection 202 203 Find Waypoints 204 205 206 Nmea 2000 Menu Bus Setup207 208 Engine & Tank Configuration 209 Setting Engine-Tank Configuration Device Information and Device Data Device Configuration Menu210 211 Fuel Management Menu Engine Operations Adding Fuel to TankIf you filled up the tank If you did not fill up the tank 213 Backlight Synchronization Waypoint Sharing214 EP-35 Temperature Configuration Configuring EP Sensors215 Advanced Options menu EP-10 Fuel Flow Configuration216 217 218 EP-15 Fluid Level Configuration 219 220 221 Suzuki Engine Interface Configuration 222 EP-10 Fuel Flow Calibration Calibrating EP Sensors223 224 EP-15 Fluid Level Calibration 225 226 227 Fuel Flow Calibration in a Suzuki Engine Interface Engine Trim Calibration Engine connected to your engine interface228 Bennett Trim Tabs Calibration Reset Trim Calibration229 230 231 Supplemental Material Datums Used by This Unit 232 Conus 233 234 235 FCC Compliance 236 237 Lowrance Databases License Agreement 238 Databases Limited Warranty 239 Lowrance Electronics Full ONE-YEAR Warranty 240 Not toll-free Accessory Ordering Information for all countries Visit our web site