Lowrance electronic X136DF, X135 Fish Symbols vs. Full Sonar Chart, To Restore Factory Settings

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NOTE:

If you want to change the sensitivity in Manual Mode, first turn off Auto Sensitivity: from the Sonar Page, press MENU↓ to AUTO SENSITIVITYENT↑ to SENSITIVITYENT. Press ↓ or ↑ to pick a different sensitivity setting. When it's set at the desired level, press EXIT.

Important Tip:

While you are experimenting and learning, it's possible to scramble the settings so that the sonar picture disappears from your screen. If that happens, remember that it's easy to switch back to full automatic operation by simply restoring the factory auto settings. Here's how:

To Restore Factory Settings

1.Press MENUMENU↓ to RESET OPTIONSENT.

2.The unit asks if you want to reset all the options. Press ← to YESENT. All options are reset, and the unit reverts back to the original settings.

Fish Symbols vs. Full Sonar Chart

You may have noticed in the quick reference that we used fish arches in full sonar chart mode for our example, and not the popular Fish I.D. fish symbol feature. Here's why.

Fish I.D. is an easier way for a sonar novice to recognize a fishy signal return when he sees it. However, locating fish by symbol only has some limitations.

Your sonar unit's microprocessor is remarkably powerful, but it can be fooled. Some of the echoes calculated to be fish could be tree limbs or turtles! To see what's under your boat in maximum detail, we recom- mend you turn off Fish I.D. and begin learning to interpret fish arches.

Fish I.D. is most handy when you're in another part of the boat or per- forming some task that prevents you from watching the sonar screen. Then, you can turn on Fish I.D. and the audible fish alarm. When that lunker swims under your boat, you'll hear it!

Fish I.D. can also be useful when you want to screen out some of the sonar detail gathered by your unit. For example, in one case fishermen in San Francisco Bay saw clouds of clutter in the water but no fish arches. When a down rigger was pulled up, it brought up several small jellyfish. The fishermen switched their Lowrance sonar to Fish I.D., which screened out the schools of jellyfish and clearly showed the game fish there as fish symbols.

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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 suppliesHow low should you go? Good location Poor location Location Poor angleTransom Transducer centerline Hull bottom Assembling the bracket Shoot-thru-hull vs. Transom MountingDot Aligning the transducer on the transom RatchetRatchets Bolt Lock washer Nut Flat washer Assembling the transducerMetal Nut washer Rubber WashersDrilling mounting holes Attaching transducer to transomTransom 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 Shoot-thru-hull Installation Transducer location High speed Trolling speedSpread epoxy here Sand this surface Speed/Temperature Sensors Sonar unit rear view Two-temperature sensor installation Sensor ChartTemperature sensor Temperature sensor SP-X speed sensorOptional Speed Sensor Installation Good locationTransom Bottom of hull 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 OperationPower/lights on and off MenusMain Menu 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 ProcessingAlarms Depth AlarmsTo adjust and turn on the shallow alarm Zone Alarm To adjust and turn on the deep alarmTo adjust and turn on the zone 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 limitsFish I.D. Fish Symbols & Depths FasTrackTo turn off upper and lower limits Page FishTrack To turn the Fish I.D. feature onSymbols with FishTrack depths FishRevealTo turn on FishTrack 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 kHzTo change the frequency setting to 200 kHz To adjust the Grayline levelGrayline Grayline Hard Bottom Muddy bottom Muddy bottom bottom Hard Fish nearHyperScroll Noise RejectionOverlay Data To change displayed data font size To turn off displayed dataTo change Ping Speed Ping Speed & HyperScrollTo turn off HyperScroll Pop-up HelpReset Options Reset Water DistanceScreen Contrast and Brightness Sensitivity & Auto Sensitivity Automatic Sensitivity To adjust sensitivity in auto modeTo adjust sensitivity in manual mode Set Keel OffsetTo turn Auto Sensitivity back on 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 SimulatorStop Chart To adjust the Surface Clarity levelSurface Clarity Transducer Type X126DF and X136DF only Units of Measure Upper and Lower LimitsZoom & Zoom Bar 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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