User Guide

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TROLLING MOTOR TRANSDUCER INSTALLATION
Several styles of the transducer are compatible with trolling motor
mounting. If you have a trolling motor bracket, refer to the
separate installation instructions that are included with the
bracket.
Trolling Motor Transducer Options
If you don’t have a trolling motor transducer, there are several options:
• You may purchase a Trolling Motor Adapter kit that will allow you to mount the transducer
on the trolling motor.
• You may also exchange your NEW and UNASSEMBLED transducer (with mounting
hardware included) for a trolling motor transducer.
There are also several transducer switches available that support the following configurations:
• Two depthsounders with one transducer or two transducers with one depthsounder.
NOTE: Call the Humminbird® Customer Resource Center at 1-800-633-1468 for details and
pricing, or visit www.humminbird.com for more information.
TEST AND FINISH THE INSTALLATION
After installing your HDR 610, transducer, and cables, you should test the installation. Testing
should be performed on the water, since that is the only way to evaluate the performance of your
transducer.
1. When the boat ignition is turned on, the HDR 610 will perform a self test, and then begin
transmitting. It will automatically display the digital depth.
NOTE: If the HDR 610 is wired to a different switch than the ignition switch, turn that switch on
instead.
2. Increase your boat speed to ensure that you get a continuous bottom reading as the boat
moves.
CAUTION: Your HDR 610 and transducer are designed to operate at up to 75 mph, but use
caution when operating any boat at high speed.
3. If the HDR 610 performs well at idle or slow speeds, but the display is not continuous at
higher speeds, the transducer is not installed correctly. Air bubbles or turbulence from the
boat hull are passing across the transducer face, and blocking the transmitted signal. If
you have the correct angle set on the transducer, yet lose a bottom reading at high speed,
adjust the transducer to a lower depth in the water. If you reach the top of the screw slots
and continue to lack high speed performance, increase the angle of the transducer by
lowering the back of the transducer in increments of 1/8" (4 mm).
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3. Routing the Cable
1. Once the mounting location is determined and you have
marked the position of the transducer, route the cable from
the transducer to the depthsounder.
CAUTION! Do not cut or shorten the transducer cable, and try not
to damage the cable insulation. Route the cable as far as possible
from any VHF radio antenna cables or tachometer cables to
reduce the possibility of interference. If the cable is too short,
extension cables are available to extend the transducer cable up
to a total of 50' (15 m). For assistance, contact the Customer
Resource Center at www.humminbird.com or call 1-800-633-1468
for more information.
4. Permanently Mounting the Transducer
NOTE: Once permanently mounted, you will not be able to make
further adjustments to the transducer.
1. Make sure the position of the transducer is marked.
2. Remove the water from inside the hull and thoroughly dry
the mounting surface. If the surface is excessively rough, it
may be necessary to sand the area to provide a smooth
mounting surface.
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 with epoxy.
5. Press the transducer into place with a slight twisting motion to purge any trapped air from
underneath, keeping the pointed end of the transducer body pointed forward, towards the
bow.
NOTE: Proper operation requires the pointed end of the transducer body to face towards the
bow.
6. Weight the transducer so that it will not move while the epoxy is curing.
NOTE: When the epoxy cures, no water is necessary inside the hull.
7. If you unplugged the transducer cable at the beginning of this procedure, plug it back into
the depthsounder.
NOTE: Neither water, spilled gasoline, nor oil will affect the performance of the transducer.
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