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Side Imaging® Transducer
3. Hold the transducer in the water over the side of the boat to confirm proper operation. If the transducer
is working properly, you should be able to see the bottom on the control head display. The bottom image
should be relatively strong and there should be detailed structure on the display.
4. After confirming proper operation, unplug the transducer cable connector from the control head or black
box sonar.
2.
Locate the Transducer Mounting Position
You must first determine the best location on the transom to install the transducer.
Turbulence: It is very important to locate the transducer in an area that is relatively free of turbulent water.
Consider the following to find the best location with the least amount of turbulence:
• As the boat moves through the water, turbulence is generated by the weight of the boat and the thrust of
the propeller(s) - either clockwise or counter-clockwise. 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 immed iate area of
the propeller(s). Clockwise propellers create more turbulence on the port side. On outboard or
inboard/outboard boats, it may be best to locate the transducer at least 15" to the side of the propeller(s).
See High-Speed Operation for details.
• The best way to locate turbulence-free water is to view the transom while the boat is moving. This
method is recommended if maximum high-speed operation (up to 65 mph) is a high priority. 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.
• On boats with stepped hulls, it may be possible to mount the trans ducer on the step. Do not mount the
transducer on the transom behind a step to avoid popping the transducer out of the water at higher
speeds. The transducer must remain in the water for the control head to maintain the sonar signal.
• If the transom is behind the propeller(s), it may be impossible to find an area clear from turbulence,
and a different mounting technique or transducer type should be considered.
• If you plan to trailer your boat, do not mount the transducer too close to trailer bunks or rollers to avoid
moving or damaging the transducer during loading and unloading of the boat.
Find a turbulence-free location that is not in line with trailer bunks or rollers.
High-Speed Operation (up to 65 mph): Side Imaging sonar is best performed at boat speeds from .5 to 8 mph,
and is not recommended for high-speed operation as gaps between strips of information can appear. However,
the transducer can support traditional 2D sonar and Down Imaging™ sonar at higher speeds (up to 65 mph).
NOTE: Traveling over 65 mph with the transducer in the water is not recommended with the transom mount
transducer, as damage might occur. If you require a high-speed application (above 65 mph) and cannot find a
transom mount location that will work for your boat hull, a different mounting technique or transducer type
should be considered. See the FAQ (Frequently Asked Questions) section of our Web site at humminbird.com or
call Customer Service at 1-800-633-1468.
Level
532118-1_B
Areas of Possible Turbulence
rivets
strakes
hull
Stepped Hull
step
2
transom
rib
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