User manual HUMMINBIRD 405SX

[. . . ] 405SXSINGLEBEAM fishfinder OPERATIONS MANUAL THANK YOU THANK YOU FOR CHOOSING YOUR 405SX FISHFINDER, MADE BY TECHSONIC INDUSTRIES, MANUFACTURER OF AMERICA'S #1 NAME IN FISHFINDERS, HUMMINBIRD. HUMMINBIRD HAS BUILT ITS REPUTATION BY DESIGNING AND MANUFACTURING TOP QUALITY, THOROUGHLY RELIABLE MARINE EQUIPMENT. YOUR HUMMINBIRD PRODUCT IS DESIGNED FOR TROUBLE-FREE USE IN EVEN THE HARSHEST MARINE ENVIRONMENT. IN THE UNLIKELY EVENT THAT YOUR HUMMINBIRD DOES REQUIRE REPAIRS, WE OFFER AN EXCLUSIVE SERVICE GUARANTEE. [. . . ] 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 405SX can automatically adjust the depth range depending on the depth of the water. The unit tries to maintain the bottom depiction about ²/ down the total range (for example, in 20' of water, the 0-30' range would be selected). This provides the best display resolution and therefore the best target separation possible. The manual setting enables you to adjust the current depth Depth Range 16 USING THE 405SX MENU FUNCTIONS range setting. The unit no longer adjusts the Depth Range to the most appropriate range for bottom display. 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. The 405SX uses a greatly enhanced Zoom capability called "TruZoom" which offers expanded information on a select area of sonar information. Zoom is similar to Depth Range because it controls the range of information displayed on screen. Zoom, however, allows for selection of ranges beneath the surface so any area of water between the surface and the bottom can be enlarged to provide more detailed information. By using the full display to show a small area of coverage, the effective display resolution is increased, and the unit's ability to separate close targets is enhanced. In the 15' depth range, TruZoom displays a range equal to one half the current depth range. In the 30', 60', 120', 180', 240', 360', 480' and 600' depth ranges, TruZoom displays a range equal to one fourth the current depth range. The box at the right side of the screen outlines the area to be zoomed. The Zoom range is shown on the left side of the screen and full range information is shown on the right side of the display. The area which is being enlarged by Zoom is indicated by the square box. Zoom can either operate automatically, in which the Zoom range is constantly adjusted to show the bottom, or manually, in which the user controls the location of the Zoom range. 17 USING THE 405SX MENU FUNCTIONS "Automatic" Zoom is especially helpful when looking for structure or bottom detail. The "Automatic" Zoom keeps the bottom in view even in quickly changing terrain. "Manual" Zoom provides detailed information of any area from the surface to the bottom. In "Manual" Zoom, the Zoom range does not move as the terrain changes. [. . . ] Any modification or attempt to repair the original equipment or accessories by unauthorized individuals will void the warranty. Return the warranty registration card and retain your bill of sale for warranty verification. Accessories not manufactured under the Humminbird trade name are not covered by our warranty. Humminbird will provide ground UPS or Parcel Post shipping back to the customer free of charge. [. . . ]