Humminbird one User Manual

 

 

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.