Front | Lowrance electronic LMS-520C, LMS-525C DF manual

Front

Install the gimbal bracket. Orient the bracket so the arms slope to-

ward the front of your unit.

Drill a 1-inch (25.4 mm) hole in the dash for the power, transducer and antenna cables. The best location for this hole is immediately under the gimbal bracket location. This way, the bracket can be installed so that it covers the hole, holds the cables in position and results in a neat in- stallation. Some customers, however, prefer to mount the bracket to the side of the cable hole — it's a matter of personal preference.

137.9

[5.43]

72.9

[2.87]

23.4

173.9[0.92]

[6.85]

157.9

[6.22]

Millimeter	56.9
[Inch]	[2.24]

Front view (left) and side view (right) showing dimensions of the LMS- 520c and LMS-525cDF sonar/GPS units mounted on gimbal bracket.

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Image 50

Lowrance electronic LMS-520C, LMS-525C DF manual Front

Contents

LMS-520C & LMS-525C DF Copyright 2006 Lowrance Electronics, Inc All rights reserved Table of Contents Automatic Sensitivity 121 101105 Advanced GPS Operations 139 153 Nmea 2000 Device Configuration 207 193 231 Vii Viii Read Me First Page Sonar GeneralBack-up memory LMS-525cDF 50/200 kHz Zoom bottom track Sonar soundingAutomatic ranging Surface water temp How Lowrance Sonar Works Position updatesGraphic symbols for Waypoints or event How Lowrance GPS Works Introduction to GPS and Waas Page Page How to use this manual typographical conventions Arrow Keys Instructions = Menu Sequences Menu CommandsKeyboard Page Transducer Installation Preparations Selecting a Transducer Location Good and poor transducer locations How low should you go? Shoot-thru-hull vs. Transom Mounting Transom Transducer Assembly And Mounting Assembling the bracket Aligning the transducer on the transom Insert bolt and check transducer position on transom Assembling the transducer Drilling mounting holes Attaching transducer to transom Bottom Hull Flat-bottom hullDeep-vee hull Trolling Motor Bracket Installation single-frequency only Transducer Orientation and Fish Arches Shoot-Thru-Hull Preparation Testing Determines Best Location True bottom Second bottom Manual range setting Shoot-thru-hull Installation Speed/Temperature Sensors Optional Speed Sensor Installation Good location Power Connections Powering Your Display Unit Failure to use a 3-amp fuse will void your warranty Power Diagram a Power Diagram B Powering a Nmea 2000 Network Bus GPS Antenna/Receiver Module Connecting to a Nmea 2000 Network Nmea 0183 Wiring Data cable Page LMS-520c and LMS-525cDF cable connections Bracket Installation Mounting the Unit Bracket, In-Dash or Portable Front In-Dash Installation Template4.46 MMC or SD Card Memory Card Installation Portable Installation To remove an MMC To add an MMC or SD Card Other Accessories Cleaning Towel Face Cover Page Basic Sonar Operation Keyboard Power/lights on and off Main Menu Main Menu Pages Satellite Status Navigation Map Sonar Page Sonar Page showing full sonar chart mode Basic Sonar Quick Reference Sonar Operations To adjust sensitivity Fish Symbols vs. Full Sonar Chart Important Tip Other Free Training Aids Page ASP Advanced Signal Processing To change the ASP level Alarms Depth Alarms Zone Alarm Fish Alarm GPS Alarms Nmea 2000 Alarms Important Alarm Notes Calibrate Speed Tip Chart Speed To change chart speed Colorline Cursor To adjust Colorline levelDepth Cursor Depth Range Automatic Depth Range Manual Depth Range Upper and Lower Limits To change the upper and lower limits FasTrack To turn off upper and lower limits Fish I.D. Fish Symbols & Depths Page Frequency Change Transducer Frequency LMS-525cDF only To turn the Fish I.D. feature onFishTrack To turn on FishTrack HyperScroll To change the frequency setting to 50 kHzTo change the frequency setting to 200 kHz Log Sonar Chart Data To record or log chart data To overlay information on your screen Noise RejectionOverlay Data Data Viewer menu left. Sonar Data category expanded right To remove overlaid data To move overlaid data Ping Speed & HyperScroll To turn off HyperScroll Reset OptionsTo change Ping Speed Reset Water Distance Set Keel Offset Sensitivity & Auto Sensitivity To adjust sensitivity in auto mode Automatic Sensitivity To turn Auto Sensitivity back on Sonar Chart ModeTo adjust sensitivity in manual mode Full Sonar Chart Sonar Page & Sonar Chart Display OptionsTo change the chart mode color scheme+ Split Zoom Sonar Chart Split Frequency Sonar Chart LMS-525cDF only Digital Data/Chart Customize Page Displays To change the information displayed in a data box Sonar with Custom Gauges Flasher To customize digital gauge display To resize Sonar and Custom Gauge windows Map with Sonar Split Screen Sonar Simulator To use the simulator Press ↓ ↑ to file nameENT↓ to Playentexit Stop Chart To adjust the Surface Clarity level Surface Clarity To adjust Menu Transparency level Transparency Zoom Pan Upper and Lower LimitsZoom & Zoom Bar 100 101 Unit wont turn onUnit freezes, locks up, or operates erratically No fish arches when the Fish I.D. feature is off 102 103 104 Basic GPS Operations 105 106 107 108 To set up Custom Gauge 109 110 111 112 Navigation 113 Background map vs. MapCreate map content 114 115 116 117 Map with SonarTo resize Map with Sonar windows Map with Custom Gauges 118 Radar 119 To access Radar 120 Basic GPS Quick Reference 121 122 Find Your Current PositionMoving Around the Map Zoom & Cursor Arrow Keys 123 Selecting Any Map Item with the CursorSearching After the unit has acquired a position 124 125 Set a WaypointTo create and save a Waypoint 126 127 Navigate To a WaypointSet Man Overboard MOB Waypoint 128 Navigate Back to MOB WaypointNavigate to Cursor Position on Map 129 130 Navigate to a Point of InterestCreating and Saving a Trail To Save a Trail 131 132 Displaying a Saved TrailTo turn off trail display Visual Trailing Navigating TrailsTo turn on trail display Navigate a Trail Sure press ←ENT.Figure 134 Navigate a Back Trail backtrack 135 GPS Data files Transfer Custom Maps and GPS Data FilesCustom Maps 136 137 Cancel Navigation 138 139 Find Distance from different LocationsFind Distance from Point to Point Create Icon at Current Position IconsCreate Icon on Map Delete an Icon 141 RoutesNavigate to an Icon Create and Save a Route 142 143 Delete a Route 144 145 Edit a Route NameEdit Route Waypoints 146 Navigate a RouteNavigate a Route in Reverse 147 TrailsDelete a Trail Edit a Trail Pattern Edit a Trail NameEdit a Trail Color 148 Utilities Waypoints To delete all waypoints at one time To edit waypoint symbolTo delete a waypoint from the map Edit a Waypoint To edit waypoint name 151 152 Set a Waypoint by Average PositionSet a Waypoint by Projecting a Position To change alarm settings 153 Auto Satellite Search 154 155 Communications Port ConfigurationCheck MMC Files and Storage Space To get to Coordinate System Selection Configure NmeaCoordinate System Selection 156 To set up Loran TD 157 158 To configure a map fixMap Fix 159 Customize Page DisplaysTo change data box information 160 GPS SimulatorTo turn on the GPS Simulator Steer with Arrows 161 Initialize GPS Hide GPS FeatureTo Hide GPS Features Simulating Trail or Route Navigation To Initialize GPS Map Auto ZoomMap Data To turn on Auto Zoom To turn on/off Pop-up Map Information To access Map Data menuTo show Map Data To turn on/off Draw Map Boundaries To turn on/off range rings Map Datum SelectionMap Overlays Range Rings Lat/Long Grid To turn on/off Lat/Long Grid lines 166 Map Detail Category SelectionMap Orientation 167 168 NauticPath USA Marine ChartsNautical Chart Notes Port Information To view Chart Note informationTo view Port Services information 169 Tidal Current Information 170 To view Tidal Current information 171 172 To select another dateTide Information 173 Navionics→ ChartsTo view tide information To display a Navionics chart 174 175 176 177 178 To set up Popup HelpPop-up Help 179 Screen Contrast and Brightness 180 Set Local Time To adjust the screens display modeSet Language To set the Month To set the Year Show Waas AlarmTo Configure DST To select Time Format Software Version Information To turn on/off the Waas AlarmTo access Software Information To Require Waas To set Volume Sounds and Alarm Sound StylesTo set Alarm Sounds To set Alarm Style 185 Track SmoothingTrail Options To Delete all Trails Update Trail OptionTo create a New Trail 186 187 188 To delete a TrailTrail Visible/Invisible and Other Trail Options To change Units of Measure To set Speed/Distance To adjust Transparency levelUnits of Measure 189 To set Depth units To set Temperature unitsTo set Pressure units 190 191 To set Volume unitsTo set Heading units 192 Searching 193 Find Streets 194 195 Find Any Item Selected by Map CursorFind Interstate Highway Exits 196 197 Find Map Places or Points of Interest POI 198 199 200 Find Streets or IntersectionsFind a Street Find an Intersection 201 202 Find Waypoints 203 204 205 206 207 Bus SetupNmea 2000 Menu Engine & Tank Configuration 208 Setting Engine-Tank Configuration 209 210 Device Configuration MenuDevice Information and Device Data Fuel Management Menu 211 If you did not fill up the tank Adding Fuel to TankIf you filled up the tank Engine Operations 213 214 Waypoint SharingBacklight Synchronization 215 Configuring EP SensorsEP-35 Temperature Configuration 216 EP-10 Fuel Flow ConfigurationAdvanced Options menu 217 EP-15 Fluid Level Configuration 218 219 220 Suzuki Engine Interface Configuration 221 222 223 Calibrating EP SensorsEP-10 Fuel Flow Calibration EP-15 Fluid Level Calibration 224 225 226 Fuel Flow Calibration in a Suzuki Engine Interface 227 228 Engine connected to your engine interfaceEngine Trim Calibration 229 Reset Trim CalibrationBennett Trim Tabs Calibration 230 Supplemental Material Datums Used by This Unit 231 232 233 Conus 234 FCC Compliance 235 236 Lowrance Databases License Agreement 237 Databases Limited Warranty 238 Lowrance Electronics Full ONE-YEAR Warranty 239 Not toll-free 240 Accessory Ordering Information for all countries Visit our web site