Lowrance electronic X136DF, X135, X125, X126DF manual Mounting the Unit Bracket, In-Dash or Portable

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Sonar unit rear view

Power socket

Sonar socket

Transducer

Power wires

Sonar unit cable connections.

Mounting the Unit: Bracket, In-Dash or Portable

You can install the sonar unit on the top of a dash with the supplied gimbal bracket. It can also be installed in the dash or mounted on a portable power supply.

If you use the supplied bracket, you may be interested in the optional R-A-Mbracket mounting system. This converts the unit's gimbal bracket to a swivel mount, which can be used on the dash or overhead mounting positions. Installation instructions are supplied with the R-A-M mounting kits.

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Contents X125, X126DF, X135, X136DF Lowrance Electronics Inc 12000 E. Skelly Dr Tulsa, OK USA Table of Contents Sec Sonar Troubleshooting Sec Supplemental Material Read Me First X126DF X136DFBack-up memory SonarHow Sonar Works Menu Commands How to use this manual typographical conventionsArrow Keys KeyboardInstructions = Menu Sequences Page Preparations Transducer InstallationSelecting a Transducer Location Recommended Tools and suppliesTransom Transducer centerline Hull bottom How low should you go?Good location Poor location Location Poor angle Assembling the bracket Shoot-thru-hull vs. Transom MountingDot Ratchets Aligning the transducer on the transomRatchet Bolt Lock washer Nut Flat washer Assembling the transducerMetal Nut washer Rubber WashersTransom Drilling mounting holesAttaching transducer to transom Bottom Hull Flat-bottom hull Deep-vee hull TMB-S bracket Internal tooth washer Bolt Nut Flat washer Trolling Motor Bracket Installation single-frequency onlyTransducer aimed Partial fish archesEpoxy the transducer to a solid portion of the hull Spread epoxy here Sand this surface Shoot-thru-hull InstallationTransducer location High speed Trolling speed Speed/Temperature Sensors Sonar unit rear view Two-temperature sensor installation Sensor ChartTemperature sensor Temperature sensor SP-X speed sensorTransom Bottom of hull Optional Speed Sensor InstallationGood location Power Connections Power connections for the sonar unit Mounting the Unit Bracket, In-Dash or Portable Front Bracket Installation72.9 173.9 23.4 137.9 157.9 Millimeter 56.9 Inch Portable Installation In-Dash Installation146.5 113.5Face Cover Cell batteryPage Keyboard Basic Sonar OperationMain Menu Power/lights on and offMenus Main Menu Commands Sonar Menu Sonar Menu CommandsPages Page Page Basic Sonar Quick Reference Sonar Operations To adjust sensitivity To Restore Factory Settings Fish Symbols vs. Full Sonar ChartOther Free Training Aids To change the ASP level ASP Advanced Signal ProcessingTo adjust and turn on the shallow alarm AlarmsDepth Alarms To adjust and turn on the zone alarm Zone AlarmTo adjust and turn on the deep alarm To turn the fish alarm on Fish AlarmBrightness Calibrate SpeedChart Speed Depth Cursor ContrastDepth Range Automatic Cursor line Depth boxDepth Range Manual To switch to Manual Depth RangeDepth Range Upper and Lower Limits To turn Auto Depth Range on againFish arches Area zoomed To change the upper and lower limitsTo turn off upper and lower limits Fish I.D. Fish Symbols & DepthsFasTrack Page FishTrack To turn the Fish I.D. feature onTo turn on FishTrack Symbols with FishTrack depthsFishReveal Fish Not Visible Fishfish arch Fish arches To turn FishReveal onFrequency Change Transducer Frequency X126DF and X136DF only To change the frequency setting to 50 kHzGrayline To change the frequency setting to 200 kHzTo adjust the Grayline level Grayline Hard Bottom Muddy bottom Muddy bottom bottom Hard Fish nearOverlay Data HyperScrollNoise Rejection To change displayed data font size To turn off displayed dataTo change Ping Speed Ping Speed & HyperScrollTo turn off HyperScroll Pop-up HelpScreen Contrast and Brightness Reset OptionsReset Water Distance Sensitivity & Auto Sensitivity Automatic Sensitivity To adjust sensitivity in auto modeTo turn Auto Sensitivity back on To adjust sensitivity in manual modeSet Keel Offset Software Version Information Set LanguageSonar Chart Display Options Sonar Chart ModeTo change the chart mode color scheme Press MENUMENU↓ to Software InfoentFull Sonar Chart Split Frequency Sonar Chart X126DF and X136DF only Split Zoom Sonar ChartDigital Data/Chart Customizing the Digital Data/Chart Screen FlashGraf Sonar SimulatorSurface Clarity Stop ChartTo adjust the Surface Clarity level Transducer Type X126DF and X136DF only Zoom & Zoom Bar Units of MeasureUpper and Lower Limits Zoom Pan Page Unit freezes, locks up, or operates erratically Unit wont turn onNoise No fish arches when the Fish I.D. feature is offPage Page Index Page Supplemental Material Not toll-free How to Obtain Service…Accessory Ordering Information for all countries Visit our web site

X126DF, X136DF, X135, X125 specifications

Lowrance, a leading name in marine electronics, has made significant strides with its line of fish finders and chartplotters, particularly the X135, X125, X136DF, and X126DF models. These devices are engineered for anglers and boating enthusiasts seeking advanced charting, navigation, and fish tracking technologies.

The Lowrance X135 is equipped with a 7-inch display, delivering a clear view of sonar readings and navigational data. Its advanced sonar technology includes a powerful 4000-watt peak-to-peak output, offering exceptional fish detection capabilities. The X135 also supports Lowrance's exclusive Broadband Sounder technology, providing detailed images of the underwater environment. This feature helps users identify fish, structure, and thermoclines with remarkable precision.

The X125 model, while similar in design, offers a 5-inch display size. The device also features a dual-frequency sonar, allowing users to switch between 50 kHz for deep water and 200 kHz for shallow water, enhancing versatility for varying fishing conditions. Its integrated GPS allows for waypoint marking and route tracking, ensuring you can revisit those promising fishing spots effortlessly.

For those looking for advanced dual-frequency capabilities, the X136DF and X126DF models take things a step further. Both models feature a split-screen view, enabling users to monitor sonar and chartplotting simultaneously. The X136DF includes advanced navigation functionalities with an internal GPS antenna, which simplifies the installation process, while the X126DF may require an external antenna for GPS functionality.

These Lowrance models come equipped with various user-friendly features, such as customizable display settings, allowing users to tailor the information presented to their preferences. Both the X136DF and X126DF support multiple languages, catering to a global audience of boaters and fishermen.

Moreover, Lowrance devices incorporate innovative networking capabilities that allow for the interconnection of multiple devices onboard. With NMEA 2000 support, users can integrate radar, autopilot systems, and other electronics for a cohesive and efficient boating experience.

In conclusion, the Lowrance X135, X125, X136DF, and X126DF offer a fantastic mix of performance, user-friendly features, and advanced technology. Each device is designed to provide valuable insights for anglers and boaters, ensuring a successful day on the water. Whether you're a novice looking to enhance your fishing experience or a seasoned pro in search of the latest technology, these models represent a reliable choice.
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