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.

Power/lights on and off

To turn on the unit, press PWR.

To change the backlight, press PWR again. The X125 and X126DF have two backlight levels to select from. The X135 and X136DF have three backlight levels. Repeatedly pressing PWR will cycle through the back- light settings, turn off the backlight, then turn it back on again.

Turn off the unit by pressing and holding the PWR key for about 3 seconds.

Menus

Your sonar unit will work fine right out of the box with the factory de- fault settings. You only need to learn a few basic functions to enhance your viewing. We'll discuss them briefly here, then talk about them and all the other commands in more detail in the next section, which begins on page 43.

Your unit has three primary menus that control its operation. They are the Main Menu, the Sonar Menu and the Pages Menu.

Main Menu

The Main Menu contains some basic function commands and some setup option commands. You access the Main Menu by pressing MENUMENU. You run a command by using the ↑ or ↓ to highlight the command and then pressing ENT. To clear the Main Menu screen and return to the Page display, press EXIT. (Remember, our text style for "MENUMENU" means "press the Menu key twice." See a full explanation of our instruc- tion text formatting on page 5, Instructions = Menu Sequences.)

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Lowrance electronic X135, X136DF, X125, X126DF manual Power/lights on and off, Menus, Main Menu

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.