Specifications
27 
air bubbles in the fiberglass or the epoxy will reduce or eliminate sona
r
signals. 
Testing Determines Best Location 
Ideally, the shoot-thru transducer should be installed as close to the
transom as possible, close to the centerline. This will give you the best
performance during high speed maneuvers. 
Shoot-thru-hull transducer locations for 
high speed or trolling speed operation. 
To choose the proper location for shoot-thru-hull mounting, follow these
testing procedures: (You may need a helper to complete these steps.) 
1. 
A
nchor the boat in about 30 feet of water. Add a little water to the sump
of the boat. Plug the transducer into the sonar unit, turn it on, the
n
hold the transducer over the side of the boat in the water. Adjust the
sensitivity and range controls until a second bottom echo is seen on the
display. (You'll need to turn off Auto Sensitivity, Auto Depth Range an
d
ASP™. Try a range setting that is two to three times the water depth.
The harder (more rocky) the bottom, the easier it will be to get a secon
d
bottom signal.) Don't touch the controls once they've been set. 
Transducer location
(trolling speed) 
Transducer location 
(high speed) 










