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Lowrance X125-


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Lowrance X125-Lowrance X125 Fishfinder with 200 kHz Transducer 117-07
Welcome to all-new, tournament-grade LCD resolution and fish-finder performance with temp at an affordable price! Superb 480x480 pixel resolution 5in diagonal high-contrast Film SuperTwist display with 16-level gray scale definition, Flashermode 2,400 w

Part Numbers: 000-0117-07, 117-07, 11707, 15643, LOW 117-07, LOW 11707
UPC: 0042194523279, 042194523279


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Section 2: Installation & Accessories


You can install the sonar system in some other order if you prefer, but we recommend this installation sequence: Caution: You should read over this entire installation section before drilling any holes in your vessel! 1. Determine the approximate location for the sonar unit, so you can plan how and where to route the cables for the transducer and power. This will help you make sure you have enough cable length for the desired configuration. 2. Determine the approximate location for the transducer and its cable route. 3. Determine the location of your battery or other power connection, along with the power cable route. 4. Install the transducer and route the transducer cable to the sonar unit. 5. Install the power cable and route it to the sonar unit. 6. Mount the sonar unit.

Transducer Installation

These instructions will help you install your Skimmer transducer on a transom, on a trolling motor or inside a hull. These instructions cover both single- and dual-frequency Skimmer transducers. Please read all instructions before proceeding with any installation. The smaller single-frequency Skimmers typically use a one-piece, stainless steel mounting bracket. The larger dual-frequency Skimmers typically use a two-piece, plastic mounting bracket. The trolling motor mount uses a one-piece plastic bracket with an adjustable strap. These are all "kick-up" mounting brackets. They help prevent damage if the transducer strikes an object while the boat is moving. If the transducer does "kick-up," the bracket can easily be pushed back into place without tools. Read these instructions carefully before attempting the installation. Determine which of the mounting positions is right for your boat. Use 7
extreme care if mounting the transducer inside the hull, because once it is epoxied into position, the transducer usually cannot be removed. Remember, the transducer installation is the most critical part of a sonar installation. Recommended Tools and supplies If you prefer the option of routing the cable through the transom, you will need a 1" drill bit. A transom mount requires use of a high quality, marine grade above- or below-waterline caulking compound. The following installation types also call for these recommended tools and required supplies (supplies are not included):
Single-frequency transom installations
Tools include: two adjustable wrenches, drill, #29 (0.136") drill bit, flathead screwdriver. Supplies: none.
Dual-frequency transom installations
Tools: two adjustable wrenches, drill, #20 (0.161") drill bit, flat-head screwdriver. Supplies: four, 1" long, #12 stainless steel slotted wood screws.

Good location Stern view showing good location for mounting sensor on transom. Transom
Bottom of hull Bottom of hull Speed sensor mounting configuration: side view (left) and rear view (right.)
If the base of the transom has a radius, fill the gap between the transom and the sensor with the caulking compound. This will help ensure a smooth water flow. Route the sensor's cable through or over the transom to the sonar unit. If you need to drill a hole in the transom to pass the connector through, the required hole size is 7/8". Caution: If you drill a hole in the transom for the cable, make sure it is located above the waterline. After installation, be sure to seal the hole with the same marine grade above- or below-waterline sealant used for the screws. The sensor is now ready for use. Connect the sensor to the in-line connector on the MY-4X adapter cable. If you have any questions concerning the installation of the sensor, please contact your local boat dealer.

Power Connections

The unit works from a 12-volt battery system. For the best results, attach the power cable directly to the battery. You can attach the power cable to an accessory or power buss, however you may have problems with electrical interference. Therefore, it's safer to go ahead and attach the power cable directly to the battery. CAUTION: When using the unit in a saltwater environment, we strongly recommend that you shut off the power supply to the power cable when the unit is not in use. When the unit is turned off but still connected to a power supply, electrolysis can occur in the power cable plug. This may result in corrosion of the plug body along with the electrical contacts in the cable and the unit's power socket. In saltwater environments we recommend you connect the power cable to the auxiliary power switch included in most boat designs. If that results in electrical interference, or if such a switch is not available, we recommend connecting direct to the battery and installing an inline switch. This will let you shut off power to the power cable when the unit is not in use. When you are not using the unit, you should always shut off power to the power cable, especially when the power cable is disconnected from the unit. If possible, keep the power cable away from other boat wiring, especially the engine's wires. This will provide the best isolation from electrical noise. If the cable is not long enough, splice #18 gauge wire onto it. The power cable has two wires, red and black. Red is the positive 23

"D" cell battery
Install batteries in power pack battery adapter.

Face Cover

Your unit comes with a white protective cover that snaps on and off the front of the unit. This cover is intended for use when your unit and the vehicle it's mounted in are idle. WARNING: When the unit is mounted in an unprotected area, such as an open boat cockpit, the protective face cover must be removed when the vehicle is moving at high speed. This includes towing a boat on a trailer at highway speeds. Otherwise, wind blast can pop off the cover.
Section 3: Basic Sonar Operation
This section addresses the unit's most basic sonar operations. The instructions presented here in Sec. 3 follow a chronological order. Sec. 4, Sonar Options & Other Features, will discuss options and other more advanced functions and utilities. The material in Sec. 4 is arranged in alphabetical order. Before you turn on the unit, it's a good idea to learn about the different keys, the Main Menu, the Sonar Menu, the five Page options and how they all work together. BUT, if you just can't wait to get on the water, turn to the one-page Quick Reference on page 38.


Sonar unit, front view, with keyboard. X136DF shown.
1. PWR/LIGHT (Power & Light) The PWR key turns the unit on and off and activates the backlight. 2. PAGES Pressing this and the arrow keys switches the unit between the five different page options. (Full Sonar Chart, Split Zoom Sonar Chart, Split Frequency Sonar Chart, Digital Data and FlashGraf.) 3. MENU Press this key to show the menus and submenus, which allow you to select a command or adjust a feature. 31
4. ARROW KEYS These keys are used to navigate through the menus, make menu selections, move the sonar chart cursor and enter data. 5. ENT (Enter) This key allows you to accept values or execute menu commands. 6. EXIT The Exit key lets you return to the previous screen, clear data or erase a menu. 7. ALARM The Alarm key is a quick shortcut to the sonar alarms menu. It allows you to choose which alarms to use and when. 8. ZOUT (Zoom Out) This key lets you zoom the screen out. This key returns you to a full sonar chart display, showing the entire water column from surface to bottom. 9. ZIN (Zoom In) This key lets you zoom the screen in. It enlarges fish signals, bottom detail and other sonar returns.

The Pages Menu controls the five major display options. They are the Full Sonar Chart, Split Zoom Sonar Chart, Split Frequency Sonar Chart, Digital Data and the flasher-style FlashGraf. You access the Pages Menu by pressing the PAGES key. You select a display option by using or to highlight the option and then pressing ENT. (You can clear the Pages Menu by pressing EXIT.)
Pages Menu showing some Sonar display options (at left, dual-frequency menu; at right, single-frequency menu).
The Full Sonar Chart is the main display option. This is a "crosssection" view of the water column beneath the boat. The chart moves across the screen, displaying sonar signal echoes that represent fish, structure and the bottom.
Surface signal Digital data overlay (depth & temperature) Depth scale In FasTrack, fish arches show as horizontal bars. Surface clutter

Fish arches

Zoom bar Structure
Bottom signal Sonar Page, showing full sonar chart mode.

FasTrack bar graph

Sonar chart display options (from left) split zoom (all models) and split frequency (X126DF and X136DF only).
Sonar chart display options (from left) digital data and FlashGraf.
You can customize how the Sonar Page pictures and other data are displayed in many ways. We'll discuss all of those features and options in Section 4, but to show you how easy the sonar unit is to operate, the following page contains a simplified, 10-step quick reference that will cover most fish finding situations. The quick reference describes how your unit will operate with all the sonar features in their automatic modes, which are set at the factory.
Basic Sonar Quick Reference
1. Mount the transducer and unit. Connect the unit to electric power and the transducer. 2. Launch your boat. 3. To turn on the unit, press and release PWR key. 4. Head for your fishing grounds. Your unit automatically displays digital depth and surface water temperature in the corner of the screen. The auto settings will track the bottom, displaying it in the lower portion of the screen. The full sonar chart will scroll from right to left, showing you what's under the boat as you cruise across the water. 5. As you're watching the sonar returns, you can change the display by: Zoom in to enlarge the chart for more detail: press ZIN. Zoom out to return to full chart mode: press ZOUT. 6. If necessary, adjust sensitivity to improve chart readability. Press

At left, Sonar Menu with Sensitivity command selected. At right, the Sensitivity Control Bar.
NOTE: If you want to change the sensitivity in Manual Mode, first turn off Auto Sensitivity: from the Sonar Page, press MENU| to AUTO SENSITIVITY|ENT| to SENSITIVITY|ENT. 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 MENU|MENU| to RESET OPTIONS|ENT.
2. The unit asks if you want to reset all the options. Press to YES|ENT. 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 recommend 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 performing 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. 41
Other Free Training Aids The sonar options section discusses Fish I.D., fish alarms and other features in greater detail. If you or a friend has Internet access, you can also learn more about interpreting what you see on your sonar screen. Visit our web site, WWW.LOWRANCE.COM. Be sure to check out the free Sonar Tutorial, which includes animated illustrations and more pictures of actual sonar returns, all described in detail. There's even a "printer friendly" version of the tutorial available on our web siteit makes a great supplement to this operation manual! For the ultimate training aid, be sure to download the free emulator software for your unit. Aside from being just plain fun, this program can help you learn both basic and advanced operations without burning boat fuel! Lowrance is the first sonar manufacturer to provide this type of training tool for customers. This PC application simulates the actual sonar unit on your computer. You can run it from your computer keyboard or use your mouse to press the virtual keys. Easy download and installation instructions are available on our web site.

Free training emulator is available for your unit on our web site.
Section 4: Sonar Options & Other Features
Material in this section is arranged in alphabetical order. ASP (Advanced Signal Processing) The ASP feature is a noise rejection system built into the sonar unit that constantly evaluates the effects of boat speed, water conditions and interference. This automatic feature gives you the best display possible under most conditions. The ASP feature is an effective tool in combating noise. In sonar terms, noise is any undesired signal. It is caused by electrical and mechanical sources such as bilge pumps, engine ignition systems and wiring, air bubbles passing over the face of the transducer, even vibration from the engine. In all cases, noise can produce unwanted marks on the display. The ASP feature has four settings Off, Low, Medium and High. If you have high noise levels, try using the "High" ASP setting. However, if you are having trouble with noise, we suggest that you take steps to find the interference source and fix it, rather than continually using the unit with the high ASP setting. There are times when you may want to turn the ASP feature off. This allows you to view all incoming echoes before they are processed by the ASP feature.
At left, Sonar Menu with Sonar Features selected. In the Sonar Features menu, Noise Rejection is selected with ASP in the default low setting (center, dual-frequency menu; at right, single-frequency menu).
To change the ASP level: 1. From the Sonar Page, press MENU| to SONAR FEATURES|ENT. 2. Press to NOISE REJECTION|ENT. 3. Press or to select a setting, then press ENT. 4. To return to the previous page, press EXIT|EXIT. 43


This unit has three different types of sonar alarms. The first is the Fish Alarm. It sounds when the Fish I.D. feature determines that an echo is a fish. Another alarm is the Zone Alarm, which consists of a bar on the side of the screen. Any echo on the chart that appears inside this bar triggers this alarm. The last alarm is the Depth Alarm, which has both a Shallow and a Deep setting. Only the bottom signal will trigger this alarm. This is useful as an anchor watch, a shallow water alert or for navigation. Depth Alarms The depth alarms sound a tone when the bottom signal goes shallower than the shallow alarm's setting or deeper than the deep alarm's setting. For example, if you set the shallow alarm to 10 feet, the alarm will sound a tone if the bottom signal is less than 10 feet. It will continue to sound until the bottom goes deeper than 10 feet. The deep alarm works just the opposite. It sounds a warning tone if the bottom depth goes deeper than the alarm's setting. Both depth alarms work only off the digital bottom depth signals. No other targets will trip these alarms. These alarms can be used at the same time or individually.

Set Language

This unit's menus are available in 10 languages: English, French, German, Spanish, Italian, Danish, Swedish, Russian, Dutch and Finnish. To select a different language: 1. Press MENU|MENU| to SET LANGUAGE|ENT. 2. Use or to select a different language and press ENT. All menus now appear in the language you selected.
Software Version Information
From time to time, Lowrance updates the operating system software in some of its products. These software upgrades are usually offered to customers as free downloads from our web site, These upgrades make the unit perform better or introduce a new feature or function. You can find out what software version is running in your sonar unit by using the Software Information command. 67
At left, Main Menu with Software Information command selected. At right, the Software Information screen.
1. Press MENU|MENU| to SOFTWARE INFO|ENT. 2. Read the information displayed on the screen. 3. To return to the last page displayed, press EXIT|EXIT.

Sonar Chart Mode

The default color scheme for the sonar chart is grayscale, but we offer other variations to suit your viewing preferences. You can select the chart to be displayed in reverse grayscale, bottom black or FishReveal mode. (For more information on FishReveal, see the entry on that topic elsewhere in this section.) To change the chart mode color scheme: 1. From the Sonar Page, press MENU| to SONAR FEATURES|ENT. 2. Press to SONAR CHART MODE|ENT. 3. Press or to Mode Name|ENT. 4. Press EXIT|EXIT to return to the Sonar Page.
Sonar Chart Display Options
The Pages Menu offers five chart display options for dual-frequency models and four options for single-frequency models. To access them, press PAGES| to Option Name|EXIT.
Pages Menu showing sonar chart display options (at left, dual-frequency menu; at right, single-frequency menu).
Full Sonar Chart This is the default mode used when the unit is turned on for the first time or when it's reset to the factory defaults. The bottom signal scrolls across the screen from right to left. Depth scales on the right side of the screen aid in determining the depth of targets. The line at the top of the screen represents the surface. The bottom depth and surface temperature (if equipped with a temperature sensor or a transducer with a temp sensor built in) show at the top left corner of the screen. The FasTrack display shows just to the right of the scale. This changes all echoes into short horizontal bars, replicating a flasher sonar. The zoom bar on the far right shows the area that's zoomed when the zoom is in use. (See the Zoom section for more information.)

Full Sonar Chart. The Overlay Data (depth and water temperature) are both set to the small text size.
Split Zoom Sonar Chart a split chart shows the underwater world from the surface to the bottom on the right side of the screen. The left side shows an enlarged version of the right side. The zoom range shows at the bottom left corner of the screen.
Split Zoom Sonar Chart. Image at left shows the left window zoomed to 2X. The right image shows the left window zoomed to 4X. The depth overlay data is set to the default large text size; the water temperature is set to the small text size.
Split Frequency Sonar Chart (X126DF and X136DF only) This page shows sonar data from the 50 kHz transducer element on the left side of the screen and data from the 200 kHz transducer on the right side. All other functions and features are the same as the Full Chart page.
Split Frequency Sonar Chart page, with 50 kHz view at left and 200 kHz view at right.
You can adjust the sensitivity in each window. 70
To adjust sensitivity in auto mode: 1. Press MENU|ENT. 2. The unit asks which you wish to adjust. Press or to select the one you want | ENT. 3. The Sensitivity Control Bar appears. Press to decrease sensitivity; press to increase sensitivity. When it's set at the desired level, press EXIT. (When you reach the maximum or minimum limit, a tone sounds.)
The Split Frequency Sonar Chart page allows you to adjust sensitivity separately for each window.
Digital Data/Chart This mode shows the chart on the right side of the screen. The left side has six large digital boxes or windows containing: Water Depth; Water Speed (from an optional speed sensor); Water Distance (distance traveled or log, it also requires a speed sensor); Surface Water Temperature; Temperature #2 and Voltage used. (Note: Temperature #2 requires an additional optional temperature sensor.)

Digital Data/Chart

Customizing the Digital Data/Chart Screen
The Digital Data/Chart screen can be customized to show digital data different from the defaults first shown. To customize this screen: 1. From the Sonar Page (in Digital Data mode), press MENU| to CUSTOMIZE|ENT.
At left, the Customize command selected from the Sonar Page menu. At right, the selected W Speed box flashes black.
2. The W Speed window title bar flashes, indicating the window contents can be changed. Press ENT| or to select data type|ENT|EXIT.

Sonar Features menu with Surface Clarity selected (at left, dualfrequency menu; at right, single-frequency menu).
2. Press to SURFACE CLARITY|ENT. 3. Press or to select clarity level|EXIT|EXIT|EXIT.
In the illustration at left, Surface Clarity is turned off. The right view shows Surface Clarity set at High.
Transducer Type (X126DF and X136DF only)
The dual-frequency units include the TRANSDUCER TYPE command. With this option you can tell your unit what type of transducer you're using, so that it can properly interpret the signals it's receiving. To change your transducer type, press MENU|MENU| to TRANSDUCER TYPE|ENT. Select the appropriate transducer type and press ENT|EXIT|EXIT.
At left, Main Menu showing Transducer Type command selected. At right, the Transducer Type menu, showing your three options.

Units of Measure

This menu sets the speed and distance (statute or nautical miles, meters), depth (feet, fathoms, or meters) and temperature (degrees Fahrenheit or Celsius). To change the units: Press MENU|MENU| to UNITS OF MEASURE|ENT.
Main Menu, left, Units of Measure Menu, right.
To set Speed/Distance Unit of Measure: Press or to change the Speed/Distance, then press ENT. After the option is set, press EXIT|EXIT|EXIT to return to the page display.

Upper and Lower Limits

See the entry in this section for Depth Range - Upper and Lower Limits

Zoom & Zoom Bar

"Zooming" the display is a common, fast and easy method used to enlarge small detail, fish signals and the bottom with its associated struc76
ture. This unit lets you zoom the display quickly and easily by pressing the Zoom In key, ZIN. Pressing ZIN once doubles the size (2X) of all echoes on the screen. Pressing it again quadruples the size of the echoes (4X). The zoom bar on the far right side of the screen shows which echoes will be displayed on the screen when the ZIN key is pressed. For example, pressing the ZIN key once will enable a 2X zoom which will show all echoes that are between the top and bottom of the 2X zoom bar. Pressing the key again will give a 4X zoom and only the echoes between the top and bottom of the 4X bar will show on the screen. Press the Zoom Out key, ZOUT, to return the display to the normal mode.

Accessories, 1, 25, 26 Sec. 2, Installation & Accessories, 7 Alarms, 33, 44, 45, 46 Depth Alarms, 44 Fish Alarm, 44, 46 Zone Alarm, 44, 45, 46 Antenna, 81 ASP (Advanced Signal Processing), 18, 43 FishReveal, 54 FishTrack, 53 Frequency, 2, 31, 35, 56 Change Frequency, 56

Grayline, 34, 57

HyperScroll, 59, 61
Backlights / Lighting, 2, 31 Batteries, 7, 23, 24, 28, 29, 79, 80, 81 Brightness, 33, 46, 48, 63, 64
Icons, 4 Installation, 7, 19, 22, 25, 26, 28, 29, 81 Sec. 2, Installation & Accessories, 7 Introduction Sec. 1, Introduction, 1 Specifications, 2 Typographical Conventions, 4
Calibrate Speed, 46 Chart Speed, 35, 47 Contrast, 2, 33, 46, 48, 63, 64 Cursor, 4, 35, 38, 48
Keel Offset, 33, 66, 67 Keypad Description, 4, 31
Depth Cursor, 4, 35, 38, 48 Depth Range, 3, 18, 34, 35, 45, 48, 49, 50, 51, 54, 70, 77, 80 Automatic, 48 Manual, 49 Upper and Lower Limits, 35, 49, 50, 76 Display Options, 31, 35, 36, 37, 68, 69, 70, 71, 72, 73

Languages, 2, 34, 67

Main Menu, 31, 32, 33, 44, 62, 63, 68, 76
FasTrack, 51 Fish Depths, 53 Fish I.D., 33, 35, 41, 44, 46, 51 Fish Symbols, 5, 33, 35, 41, 44, 46, 51, 53 Interpreting, 41

Noise Rejection, 43, 59

Overlay Data, 35, 59, 60, 69
Pages, 32, 35, 68, 69 Ping Speed, 35, 59, 61, 62 HyperScroll, 59, 61 Pop-up Help, 62 Power, 1, 2, 7, 23, 24, 25, 26, 27, 28, 29, 31, 32, 38, 65, 79, 80, 81 Product Specifications, 2
Sonar Menu, 31, 32, 34, 40, 43, 59, 61, 65, 74 Sonar Operation Quick Reference, 38 Speed Sensors, 3, 20, 22, 33, 46, 63, 71 Stop Chart, 35, 74 Surface Clarity, 74, 75
Temperature Sensors, 20, 69 Transducer, 1, 2, 3, 4, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 26, 27, 28, 34, 38, 43, 49, 56, 61, 66, 67, 69, 70, 73, 75, 76, 79, 80, 81 Mounting, 10 Transducer Type, 34, 75, 76
Range, 3, 18, 34, 35, 45, 48, 49, 50, 51, 54, 70, 77, 80 Automatic, 48 Manual, 49 Upper and Lower Limits, 49, 76 Reset Options, 34, 41, 63, 66 Reset Water Distance, 34, 63 Route, 7, 9, 14, 15, 16, 20, 23, 79, 81
Units of Measure, 33, 76 Upper and Lower Limits, 35, 50, 76 Utilities, 31

Sensitivity, 34, 39, 40, 41, 54, 55, 62, 64, 65, 66, 71, 81 Simulator, 34, 73 Software Version Information, 67 Sonar Chart Color Mode, 55, 68 FishReveal, 54 Sonar Chart Display Options, 31, 35, 36, 37, 68, 69, 70, 71, 72, 73
Zooming, 3, 31, 32, 35, 38, 69, 70, 76, 77, 80 Zoom Bar, 76 Zoom Pan, 77
Section 6: Supplemental Material
"We," "our," or "us" refers to LOWRANCE ELECTRONICS, INC., the manufacturer of this product. "You" or "your" refers to the first person who purchases this product as a consumer item for personal, family or household use. We warrant this product against defects or malfunctions in materials and workmanship, and against failure to conform to this product's written specifications, all for one (1) year from the date of original purchase by you. WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT. Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship, or any non-conformity with the product's written specifications, occurred within one year from the date of your original purchase, which must be substantiated by a dated sales receipt or sales slip. Any such defect, malfunction, or non-conformity which occurs within one year from your original purchase date will either be repaired without charge or be replaced with a new product identical or reasonably equivalent to this product, at our option, within a reasonable time after our receipt of the product. If such defect, malfunction, or non-conformity remains after a reasonable number of attempts to repair by us, you may elect to obtain without charge a replacement of the product or a refund for the product. THIS REPAIR, OR REPLACEMENT OR REFUND (AS JUST DESCRIBED) IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR ANY DEFECT, MALFUNCTION, OR NON-CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER INDIRECT DAMAGE OF ANY KIND. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty does NOT apply in the following circumstances: (1) when the product has been serviced or repaired by anyone other than us; (2) when the product has been connected, installed, combined, altered, adjusted, or handled in a manner other than according to the instructions furnished with the product; (3) when any serial number has been effaced, altered, or removed; or (4) when any defect, problem, loss, or damage has resulted from any accident, misuse, negligence, or carelessness, or from any failure to provide reasonable and necessary maintenance in accordance with the instructions of the owner's manual for the product. We reserve the right to make changes or improvements in our products from time to time without incurring the obligation to install such improvements or changes on equipment or items previously manufactured. This warranty gives you specific legal rights and you may also have other rights which may vary from state to state. REMINDER: You must retain the sales slip or sales receipt proving the date of your original purchase in case warranty service is ever required.


How to Obtain Service

in the USA:
We back your investment in quality products with quick, expert service and genuine Lowrance parts. If you're in the United States and you have technical, return or repair questions, please contact the Factory Customer Service Department. Before any product can be returned, you must call customer service to determine if a return is necessary. Many times, customer service can resolve your problem over the phone without sending your product to the factory. To call us, use the following toll-free number:


8 a.m. to 5 p.m. Central Standard Time, M-F
Lowrance Electronics may find it necessary to change or end our shipping policies, regulations, and special offers at any time. We reserve the right to do so without notice.

in Canada:

If you're in Canada and you have technical, return or repair questions, please contact the Factory Customer Service Department. Before any product can be returned, you must call customer service to determine if a return is necessary. Many times, customer service can resolve your problem over the phone without sending your product to the factory. To call us, use the following toll-free number:


905-629-1614 (not toll-free)
8 a.m. to 5 p.m. Eastern Standard Time, M-F
outside Canada and the USA:
If you have technical, return or repair questions, contact the dealer in the country where you purchased your unit. To locate a dealer near you, visit our web site, and look for the Dealer Locator.
Accessory Ordering Information for all countries
To order Lowrance accessories such as power cables or transducers, please contact: 1) Your local marine dealer or consumer electronics store. Most quality dealers that handle marine electronic equipment or other consumer electronics should be able to assist you with these items. To locate a Lowrance dealer near you, visit our web site, and look for the Dealer Locator. Or, you can consult your telephone directory for listings. 2) U.S. customers: LEI Extras Inc., PO Box 129, Catoosa, OK 74015-0129 Call 1-800-324-0045 or visit our web site 3) Canadian customers can write: Lowrance/Eagle Canada, 919 Matheson Blvd. E. Mississauga, Ontario L4W2R7 or fax 905-629-3118.

Shipping Information

If it becomes necessary to send a product for repair or replacement, you must first receive a return authorization number from Customer Service. Products shipped without a return authorization will not be accepted. When shipping, we recommend you do the following: 1. Please do not ship the knobs or mounting bracket with your unit. 2. If you are sending a check for repair, please place your check in an envelope and tape it to the unit. 3. For proper testing, include a brief note with the product describing the problem. Be sure to include your name, return shipping address and a daytime telephone number. An e-mail address is optional but useful. 4. Pack the unit in a suitable size box with packing material to prevent any damage during shipping. 5. Write the Return Authorization (RA) number on the outside of the box underneath your return address. 6. For your security, you may want to insure the package through your shipping courier. Lowrance does not assume responsibility for goods lost or damaged in transit.


Cable connections for Lowrance X125 and X126DF, March 25, 2004 Sockets with blue socket nuts, and cable plugs with blue locking collars are NMEA 2000 connection types. However, the X125 and X126DF do not have a NMEA 2000 network socket or a communications port. These units cannot connect to a NMEA 2000 network and cannot transmit NMEA 0183 data. The NMEA 0183 data cable, the NMEA 2000 power cable and the white speaker wire are unused and should be capped with wire nuts or electrical tape.

Sonar unit rear view

Sonar socket Blue Power/Data socket
NMEA 0183 Data Cable. Four wires: blue, orange, yellow, shield (bare). Cable label says "RS-232 COMM."
SP-BL speed sensor. This is packed with the X126DF and is optional for the X125.
NMEA 2000 Power Cable. Three wires: red, black, shield (bare). Cable label says "NMEA 2000 Power."
Main Power Supply Cable. Cable has no label, but is thickest of the three. Three wires red (+), black ( ground), white. White is external speaker wire, not used in these units.
Skimmer transducer with built-in temp sensor
This figure corrects the drawings on pages 21 and 25 in the X125/X126DF manual, part 988-0151-171. It is a large-view supplement to the manual's Addendum I, part 988-0151-201.



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