Lowrance electronic X136DF, X135, X125, X126DF Zone Alarm, To adjust and turn on the deep alarm

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5. To turn off the alarm, press ALARMENTEXIT.

To switch to a different depth setting, open the Sonar Alarms menu and repeat the instructions in step 3 above.

To adjust and turn on the deep alarm:

1.Press ALARM.

2.Press ↓ to DEEP ALARM ENABLED→ to DEEP ALARM DEPTHENT.

3.Press ↑ or ↓ to change the first number, then press → to move the cursor to the next number and repeat until the depth is correct, then press ENT.

4.Press ← to DEEP ALARM ENABLEDENTEXIT.

5.To turn off the alarm, press ALARM↓ to DEEP ALARM EN- ABLEDENTEXIT.

To switch to a different depth setting, open the Sonar Alarms menu and repeat the instructions in step 3 above.

Zone Alarm

The zone alarm is triggered when any echo passes inside the zone alarm bar, shown on the right side of the screen.

To adjust and turn on the zone alarm:

1.Press ALARM.

2.Press ↓ to ZONE ALARM ENABLED→ to ADJUST ZONEENT.

At left, Sonar Alarms menu, with Adjust Zone command selected. At right, Adjust Zone Alarm selection box, with Upper selected.

3.To set the upper boundary for the Zone Alarm, use ← or→ to select UPPER, then press ↑ or ↓ to move the top of the bar to the desired depth.

4.To set the lower boundary for the Zone Alarm, use ← or→ to select LOWER, then press ↑ or ↓ to move the bottom of the bar to the desired depth.

5.Press EXIT← to ZONE ALARM ENABLEDENTEXIT. Now, any echo — fish, bottom, structure — within the zone alarm's depth range will trig-

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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 suppliesGood location Poor location Location Poor angle How low should you go?Transom Transducer centerline Hull bottom Assembling the bracket Shoot-thru-hull vs. Transom MountingDot Ratchet Aligning the transducer on the transomRatchets Bolt Lock washer Nut Flat washer Assembling the transducerMetal Nut washer Rubber WashersAttaching transducer to transom Drilling mounting holesTransom 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 Transducer location High speed Trolling speed Shoot-thru-hull InstallationSpread epoxy here Sand this surface Speed/Temperature Sensors Sonar unit rear view Two-temperature sensor installation Sensor ChartTemperature sensor Temperature sensor SP-X speed sensorGood location Optional Speed Sensor InstallationTransom 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 OperationMenus Power/lights on and offMain 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 ProcessingDepth Alarms AlarmsTo adjust and turn on the shallow alarm To adjust and turn on the deep alarm Zone 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 limitsFasTrack Fish I.D. Fish Symbols & DepthsTo turn off upper and lower limits Page FishTrack To turn the Fish I.D. feature onFishReveal Symbols with FishTrack depthsTo 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 adjust the Grayline level To change the frequency setting to 200 kHzGrayline Grayline Hard Bottom Muddy bottom Muddy bottom bottom Hard Fish nearNoise Rejection HyperScrollOverlay 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 Water Distance Reset OptionsScreen Contrast and Brightness Sensitivity & Auto Sensitivity Automatic Sensitivity To adjust sensitivity in auto modeSet Keel Offset To adjust sensitivity in manual modeTo 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 SimulatorTo adjust the Surface Clarity level Stop ChartSurface Clarity Transducer Type X126DF and X136DF only Upper and Lower Limits Units of MeasureZoom & 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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