Humminbird 425 SX manual Depth Range

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USING THE 425SX

MENU FUNCTIONS

The range that positions the bottom depiction closest to the bottom of the screen, will best utilize the available display resolution.

Using the factory setting of AUTO the 425SX can automatically adjust the depth range depending on the depth of the water. The unit tries to maintain the bottom depiction about ²⁄₃ down the total range (for example, in 6 m (20') of water, the 0-10m (0-30') range would be selected). This provides the best display resolution and therefore the best target separation possible.

The Depth Range can be adjusted manually. Press MENU repeatedly until the Depth Range menu is visible. Two options are available: Auto and Manual.

The manual setting enables you to adjust the current depth range setting. The unit no longer adjusts the Depth Range to the most appropriate range for bottom display. Often, the bottom may

not be visible on-screen. The digital depth readout

always determines the depth of the bottom, even if it is not visible on-screen.

Using manual Depth Range control, you can view sonar information from the area near the surface in greater detail.

To return to automatic Depth Range control, press the MENU button until the Depth Range menu appears on- screen and use the UP ARROW to select AUTO.

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Depth Range

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Contents Operations Manual Thank YOU Table of Contents Parts Supplied Installation PreparationAccessories Installation OverviewDetermining How to Mount Transducer Installation OverviewTrolling Motor Mounting Alternate Transducers and Mounting MethodsAlternate Transducers and Mounting Methods Portable MountingBeginning Installation Beginning InstallationSimulator Operation Using the 425SXHOW Sonar Works HOW Sonar WorksSimulator Operation Feature MemoryWhat You See On-Screen Figure a What YOU see ON-SCREENSurface Clutter Rocky Bottom Hard Bottom Soft Bottom What YOU see on Screen Second Returns. When aID+ Fish Depth Control Functions Control FunctionsLarge Digit View To bring up the last menu used Keys. If no adjustment is made in the allottedAbbreviated Menu. The Arrow buttons often can be Menu Functions Menu FunctionsHigh Sensitivity Sensitivity at Low Sensitivity Depth Range Surface so any area of water between the surface Using the 425SX Using the 425SX On a Input voltage fromCalculations Are For Tracking yourAlarm menu under options, you will note that Bottom Black View ID+ On Raw Sonar Using the 425SX Using the Diagnostic Feature Advanced FeaturesUsing Diagnostic Depth offset is remembered after power is disconnectedAdvanced Features Maintenance MAINTENANCE/TROUBLESHOOTINGTroubleshooting There is no bottom reading visible on the display TroubleshootingNothing happens when I turn the unit on There is no transducer detectedGet gaps in the reading at high speeds Unit comes on before I press POWER, and won’t turn offFurther information on Humminbird products can be found at My unit loses power at high speedsSpecifications Page Use this template with transducer mounting bracket TOP

425 SX specifications

The Humminbird 425 SX is a sonar fish finder that combines advanced technology and user-friendly features to enhance the fishing experience. This device is ideal for anglers seeking reliable performance without compromising quality or functionality. With its robust design and cutting-edge features, the 425 SX has become a favorite among both novice and experienced fishermen.

One of the main features of the Humminbird 425 SX is its DualBeam Plus sonar technology. This innovative system allows users to switch between two sonar beams: a wider beam for searching large areas and a narrower beam for a more detailed view of the underwater structure and fish. With a depth capability of up to 600 feet, anglers can easily track fish and structures below the surface, ensuring no opportunities are missed.

The 425 SX is equipped with a high-resolution display, making it easier to read data in various lighting conditions. This 4.5-inch LCD screen provides clear and vibrant visuals, allowing users to interpret information quickly and accurately. The display also features a customizable color palette, letting anglers tailor the screen to their preferences for maximum visibility.

Another noteworthy characteristic of the Humminbird 425 SX is its fish identification feature. The device can recognize and differentiate fish species based on their size and depth, giving users valuable insights into what they might catch. This feature not only enhances the fishing experience but also helps in making informed decisions on bait and tackle.

The device also supports a range of advanced features, such as a built-in GPS system that allows users to mark waypoints for their favorite fishing spots, track their movements on the water, and navigate safely. The GPS functionality ensures that anglers can easily return to productive fishing locations, making the most of their time on the water.

Moreover, the Humminbird 425 SX’s durable construction ensures it can withstand the rigors of both freshwater and saltwater environments. Its waterproof design provides added peace of mind, protecting the device from potential damage caused by splashes or rain.

In conclusion, the Humminbird 425 SX is a versatile and user-friendly fish finder that offers invaluable features for anglers of all skill levels. With its DualBeam Plus sonar technology, high-resolution display, fish identification capabilities, built-in GPS, and durable design, this device proves to be an essential tool for anyone looking to enhance their fishing success. Whether you're out for a casual day on the water or targeting specific species, the Humminbird 425 SX will help you make the most of your fishing adventures.
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