Humminbird 400TX Manual de usuario

INSTALLATION PREPARATION

PARTS SUPPLIED

Before installing your new Humminbird fishfinder, please ensure the following

parts are included in the box:

•Fishfinder

•Transducer with 20’ (6m) of cable and mounting hardware kit

•Mounting system and mounting hardware kit

•6’ (2m) power cable

•Publications kit

It any of these items is missing, call our Customer Support Hotline.

ACCESSORIES

Humminbird offers a wide assortment of accessories that complement and

expand the capability of your new fishfinder. These accessories are designed

with the same high standards and are backed by the same one-year warranty.

The Humminbird Accessory catalog included with your unit contains descriptions

of the many accessories available and ordering information. All Humminbird

accessories are available through your full-service Humminbird dealer or factory

direct through 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 control head mounts on a quick

disconnect mounting system that swivels and tilts providing flexibility for viewing

from almost anywhere on the boat.

The transducer converts electrical energy from the transmitter into mechanical

pulses or sound waves. The transducer also receives the reflected sound waves

and converts them back into electrical signals for display on the control head. It

should be installed in contact with the surface of the water in an area that has

smooth waterflow-usually on the transom ofthe boat. There are several

mounting options for the transducer. Review the following section to determine

the method that works for you and your boat.

INSTALLATION PREPARATION INSTALLATION OVERVIEW

Determining How to Mount the Transducer

Your Humminbird fishfinder includes a standard

transducer. This transducer can be mounted on the

transom of the boat or bonded to the inside of a fiberglass

hull boat.

The transom installation, which is the most widely used,

places the transducer on the outside of the boat hull. This

technique produces the least signal loss, and provides a

way to adjust the transducer after installation. The

mounting hardware included is designed to protect both

the boat and the transducer 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) Also, any air trapped in the lamination

of the fiberglass would prevent the sonar signal from

passing through.

Inside the hull installations require no holes be drilled

into the boat and through experimentation, high-speed

operation comparable to transom mounting can be achieved. Two-part slow cure

epoxy (not included) is required to glue the transducer in place.

INSTALLATION PREPARATION

ALTERNATE MOUNTING METHODS

ALTERNATE TRANSDUCERS AND MOUNTING METHODS

Your Humminbird fishfinder comes with everything necessary for installation and

operation on most boats. However, there are several situations which may

require a different type of transducer. Inboard boats, wood or metal hulls, and sail

boats create unique transducer mounting needs Alternate transducers and

mounting methods are detailed below.

Portable Mounting

The standard transducer can be adapted for portable

installations with a portable mounting kit available from

Humminbird. This accessory adapts your transducer to a

suction cup mount for temporary installation on the boat hull

or 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 motors create

turbulence that make transom mounting ineffective. Also,

hulls that are very thick or are double layered, or made from

materials such as wood or metal, (which do not conduct

sonar signals) make inside the hull mounting inadvisable.

Thru-hull mounting may require the use of a fairing block to level the transducer

with the waterline. Also, since special tools and knowledge may be required to

perform this type of installation, it is best to refer to a qualified marine technician.

INSTALLATION PREPARATION

TRANSDUCER EXCHANGE

Other transducers are available as replacements for the standard transducer.

You may exchange your new and unassembled transducer for another type by

returning it to the address listed in Customer Support. Some transducers may

have additional cost. Refer to the Accessory catalog or call Customer Support for

information.

BEGINNING INSTALLATION

Now that you have determined the transducer mounting method you can begin

installation of your new Humminbird 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 drill bits

•Philips and flat-head screwdrivers

•A ruler or measuring tape

•Pen or pencil

•12 volt power source (your boat’s battery)

•A 1-amp fuse

•A fuse holder (if you are wiring directly to the boat’s battery)

•Silicone sealant (for sealing drilled holes)

•2-part, slow-cure epoxy (for inside the hull transducer installations)

INSTALLATION

TRANSOM INSTALLATION

Do not begin this transducer installation until you read the Installation

Preparation in the Operation Guide. This chapter contains information

critical to the correct installation of your transducer.

Due to the wide variety of boat hulls, only general instructions are

presented in the installation guide. Each boat hull represents a unique set

of requirements that should be evaluated prior to installation.

TRANSOM INSTALLATION

Step One -Determine Where to Mount the Transducer

Begin the transducer installation by determining where on the

transom to install the transducer. Consider the following to find

the best location:

•It is very important to locate the transducer in an area which is

relatively free of turbulent water, As aboat moves through the

water, turbulence is generated by the weight of the boat, and

the thrust of 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 of locating turbulence free

water. If maximum high-speed operation is a high priority, this

is the recommended method. If this is not possible, select a

location on the transom where the hull forward of this location

is smooth, flat, and free of protrusions or ribs.

•The transducer when mounted should point straight down.

The design of the transducer will accommodate a wide range

of deadrises and remain ported straight down (Figure 2).

•On boats with stepped hulls, it may be possible to mount the transducer on

the step. Never mount the transducer on the transom behind a step, as this

area of the transom will not be in contact with the water at high speed (Figure

3).

INSTALLATION

TRANSOM INSTALLATION

•If the propeller(s) is (are) forward of the transom, itmay be impossible to find

an area clear from turbulence, and a different mounting technique or

transducer type should be considered.

Step Two -Drill the Mounting Holes

1. Remove the mounting template from the front of the Operations Manual.

2. Hold the template on the transom of the boat in the location where the

transducer will be installed (Figure 4). Align the template vertically, ensuring

the lower edge of the transom meets with the bottom corner

of the template.

3. Using a pencil or punch, mark the two mounting holes

shown on the template onto the transom. Do not mark or

drill any other holes at this time.

4. Using 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 useprogressively 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 two flat washers, and the two toothed

lock washers.

Note: The toothed lock washers must be positioned

between the transducer and the pivot ears. The flat

washers must be positioned to the outside at the pivot

ears.

2. Using the AIlen wrenches provided, loosely tighten the pivot

screw (Figure 6). Do not completely tighten the assembly at

this time, so the pivot angle can be adjusted later.

3. Insert the pivot/transducer assembly into the mounting

bracket as shown in Figure 7. Do not snap the assembly

closed.

INSTALLATION

TRANSOM INSTALLATION

Step Four -Mount the Transducer to the Transom

1. Apply silicone sealant to the mounting holes drilled into the transom.

2. Align the transducer assembly with the drilled holes in the transom (Figure 8).

3. Use either a flat head screwdriver, a 5/16" (8mm) hex driver, or a 5/16" (8mm)

socket to mount the assembly. Using the two #10–1”

(25mm) long slotted hex head screws, mount the transducer

assembly to the transom as shown. Do not fully tighten the

mounting screws in order to vertically adjust the transducer.

Snap the pivot down into place.

Step Five -Adjust the Running Position of the Transducer

The bracket allows height and tilt adjustment, the pivot screws

allow angular adjustment. Initially, adjust the transducer as

described in the following paragraphs. 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 pivot screws after the

initial use as the plastics may still be seating to the lock

washers.

3. Adjust the height of the assembly so the face of the

transducer is 3/16" (4.5mm) beneath the lower edge of the

transom (Figure 10). Mark the position of the mounting

bracket on the transom with a pencil.

4. Force the pivot to the up position to gain access to the

mounting screws. Assure the transducer location has not

changed, then fully tighten the two mounting screws (Figure

11). Snap the pivot back down.

Confirm the pivot angle has not changed.

Note: A third screw location is provided for the

mounting bracket. Drill this hole and install the screw after final testing and

adjustments have been completed.

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