Humminbird 400TX Operation Manual Download | Manualshive

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Optional: If the cables pass outside the mounting bracket, install the hole
cover over the hole and fasten in place using the two #8 x 7/8” (22mm)
wood screws (Figure 24).

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Summary of Contents for 400TX

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Page 2: ...h our number listed in the Customer Support section INSTALLATION OVERVIEW Your Humminbird fishfinder consists of two primary components to install the control head and the transducer The control head contains the sonar transmit and receive circuitry as well as the user controls and display It should be installed in a location that provides access to the controls and visibility while in use The con...

Page 3: ... should the boat strike debris in the water or when trailering As an alternative to transom mounting it is possible on many fiberglass hulled boats to glue the transducer on the inside of the boat hull Since fiberglass has similar sonar characteristics as water the sonar signal can pass through the boat hull with minimal loss The hull of the boat must be single layer construction not double hulled...

Page 4: ... other surface Trolling Motor Mounting The standard transducer can also be adapted to mount on most trolling motors using a different accessory kit This accessory includes a bracket and hose clamp that allows mounting the transducer to the body of most trolling motors Thru Hull Mounting Thru hull transducers install through a hole drilled in the hull of the boat Larger boats or boats with inboard ...

Page 5: ...mminbird fishfinder The installation guide included on the next few pages provides detailed step by step instructions for installation of the control head and transducer For transom mount transducer installations you will need the mounting template included with your manual In addition to the parts included you need the following for installation and operation A powered hand drill and various dril...

Page 6: ...f the propeller s This turbulent water is normally confined to areas immediately aft of ribs strakes or rows of rivets on the bottom of the boat and in the immediate area of the propeller s Figure 1 On outboard or inboard outboard boats it is best to stay at least 15 40cm to the side of the propeller s If possible viewing the transom of the boat while the boat is moving will provide the best means...

Page 7: ...ng a 5 32 4mm bit drill the two holes to a depth of approximately 1 3cm On fiberglass hulls it is best to start with a smaller bit and use progressively larger drill bits to reduce the chance of chipping or flaking the outer coating Step Three Assemble the Transducer 1 Attach the Pivot to the transducer body as shown in Figure 5 using the 8 3 8 9mm long allen headed pivot screw the headed pin the ...

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Page 9: ...Further adjustment may be necessary to refine the instillation after high speed testing 1 First adjust the pivot angle of the transducer body so its length is parallel with the length of hull of the boat Then pivot the transducer down so the rear is about 1 4 inch 6mm lower than the front Figure 9 2 Fully tighten the two pivot screws using the Allen wrenches It may be necessary to retighten the pi...

Page 10: ...mounting bracket Drill this hole and install the screw after final testing and adjustments have been completed ...

Page 11: ...terference If the cable is too short extension cables are available to extend the transducer cable up to a total of 50 15 m Call Humminbird Customer Support for more information Follow these steps to route the cable through the transom 1 Drill a 5 8 16mm hole above the water line Route the cable through the hole 2 Fill the hole with silicone sealant 3 Place the escutcheon plate over the hole and a...

Page 12: ...ounting Location Begin the transducer installation by determining where inside the hull to install the transducer Consider the following to find the best location Observe the outside of the boat hull to find the areas that are mostly free from turbulent water Avoid ribs strakes and other protrusions as these create turbulence Figure 14 As a general rule the faster the boat can travel the further a...

Page 13: ...The transducer cannot transmit through air The water purges any air from between the transducer and the hull and fills any voids in the coarse fiberglass surface ...

Page 14: ...y dry the mounting surface If the surface is excessively rough it may be necessary to sand the area to provide a smooth mounting surface Ensure the mounting area is clear and dry 3 Mix an ample quantity of two part slow cure epoxy slowly and thoroughly Avoid trapping air bubbles 4 Coat the face of the transducer and the inside of the hull Figure 16 5 Press the transducer into place with a slight t...

Page 15: ... supplied hole cover The mounting surface should be adequately supported to protect the fishfinder from excessive wave shock and vibration and provide visibility while in operation The mounting area should allow sufficient room for the unit to pivot and swivel freely and for easy removal and installation Figures 18 19 Step Two Connect the Power Cable to the Boat A 6 2m long power cable is included...

Page 16: ...fuse in the connection If you must wire the control head directly to a battery be sure to install an inline fuse holder ...

Page 17: ...e mounting surface mark and drill a 1 25mm hole centered between the four mounting holes Figure 22 Note if the cables must pass through the mounting surface at a different location drill the 1 25mm hole at that location and pass the cables through from underneath Also you must break out the tabs on the rear of the mounting base using needle nose pliers Figures 24 25 2 Insert all cables through the...

Page 18: ...Optional If the cables pass outside the mounting bracket install the hole cover over the hole and fasten in place using the two 8 x 7 8 22mm wood screws Figure 24 ...

Page 19: ...ull the excess cable from beneath the mounting surface so the connector holder aligns with the mounting holes on the front of the mounting bracket Figure 27 3 Snap the support plate to the rear of the connector holder Figure 28 4 Insert the connector holder into place and use the two 6 32 x 9mm screws to fasten it to the mounting bracket Figure 28 5 Install the control head by sliding it onto the ...

Page 20: ...ormal operation unless you choose another option If you do not press any button before the timer reaches 0 the normal operation screen is displayed If the boat is in water sonar data appears If the bottom is visible on screen with a digital depth readout the unit is working properly Ensure the boat is in water greater than 2 but less than the depth capability of the unit and the transducer is full...

Page 21: ...on with a Wide Side transducer connected This is an excellent way to see if you like the way the unit works using the optional Wide Side transducer When in simulator operation the 400TX responds to control inputs as if it is in actual operation so feel free to experiment or to customize the unit for your particular operation To exit Simulator mode power the unit off FEATURE MEMORY If your 400TX is...

Page 22: ... mode the horizontal line at the top of the screen is the zero line representing the surface of the water Occasionally there is a gap in this line This gap indicates the unit is updating the display even if the bottom is not visible on screen or if the bottom information is not changing New sonar information appears on the right side of the graphic area of the display and moves to the left as new ...

Page 23: ...m a second time Second returns appear as a slightly weaker bottom representation exactly twice the depth of the primary bottom return The second return is most likely to occur in shallow water and in areas of relatively hard bottom Fish ID The 400TX uses advanced signal processing to further evaluate any sonar return between the surface and the bottom For instance a small school of bait fish usual...

Page 24: ...is on the 400TX will consume more power than with the backlight off This is important when using the 400TX in a portable configuration powered by a separate battery or when powering the unit from a trolling motor battery When powering the unit from a battery such as in portable applications you can prolong the battery life by using the backlight at a minimum The three lower buttons MENU UP ARROW a...

Page 25: ...corresponding ARROW button has no function Pressing that button will result in no adjustment and the error audible will be heard A solid ARROW symbol means the corresponding ARROW button can be used to affect the menu adjustment The ARROW buttons often can be used when no menu is on screen In these situations pressing the ARROW button affects the function of the active last used menu This is a sho...

Page 26: ...ivity press MENU repeatedly until the Sensitivity heading is displayed When the Sensitivity menu appears use the UP ARROW to increase the sensitivity or the DOWN ARROW to reduce sensitivity To sequence through the available settings press and hold either ARROW button Release the button at the setting you want to select After an adjustment is made the menu disappears and the new sensitivity setting...

Page 27: ...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 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 fu...

Page 28: ...om the surface to the bottom In Manual Zoom the Zoom range does not move as the terrain changes To operate Zoom press MENU repeatedly until the Zoom menu is on screen Three options are available Off Factory Setting Auto Automatic bottom tracking Zoom and Manual User controlled Zoom range Press the DOWN ARROW once to highlight Auto or twice to highlight Manual If Manual is selected a submenu will a...

Page 29: ...et to alarm on only large and medium fish or set to alarm on all fish Once the Fish Alarm is enabled the 400TX emits an audible beep when the selected size fish symbol appears on screen The sound is slightly different for each of the three fish symbol sizes so with practice it is possible to distinguish the size of the detected fish without looking at the unit Fish Alarm settings are remembered wh...

Page 30: ...time to exit options and return to normal operation Contrast The Contrast function allows the user to control the level of contrast of the LCD display The 400TX will automatically adjust the display contrast to compensate for changing ambient temperatures however some situations may occur where manual adjustment will provide a higher level of contrast Eleven contrast settings 5 to 5 are possible T...

Page 31: ...enhances the fishfinder s ability to identify sonar returns as fish symbols Increasing the value to a number greater than zero shows more fish symbols onscreen In this case smaller sonar returns will be depicted as fish symbols This is useful for identifying many smaller sonar will be depicted as fish symbols This is useful for identifying many smaller sonar returns such as baitfish as fish symbol...

Page 32: ...m and Wide Side transducer together with a switch manually select the correct transducer in the menu each time the switch is changed Display Speed Display Speed controls the rate at which the graphic information moves across the display There are 5 possible speeds the fastest rate 5 is the factory setting If your boat is stationary or moving very slowly for extended periods it may be desirable to ...

Page 33: ... Wide Side appears If a series of dashed lines is shown no transducer is connected or there is a problem with the transducer or cable If you are using multiple transducers switch between transducers to confirm the connections for each Boat Speed Water Temperature Connection Other connections tested include the boat speed and surface water temperature sensors These accessory sensors can be purchase...

Page 34: ...ows the depth of water beneath the boat as measured by each of the three beams With the boat stationary over a flat consistent bottom the sonar returns from the left and right beams should be identical Any discrepancy between these signals may indicate a problem with the location of the transducer Often voids or irregularities in the laminated hull of a fiberglass boat will block or degrade one or...

Page 35: ... which transducer is connected whenever the switch position is changed When a Wide Side transducer is connected the screen display changes to display the information from the side looking elements The Wide Side transducer has four views available Left Right Down and Both These views are controlled by the View button The default view is both in which information from both the left and right element...

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