Humminbird LCR 400 ID - Manual (Page 7)

Step 4
TRANSDUCER ASSEMBLY- Insert the transducer assembly into the metal bracket
from the bottom. Push up until the holes in the plastic pivot align with the uppermost
holes in the bracket. Slide the O-ring on to the headed pin and insert it through the two
parts. Assemble by screwing the ¼”x3/8” allen head screw into the end of the pin and
tighten. (See Figure G)
Step 5
ANGLE ALLIGHMENT- Set the transducer angle so that it is parallel with the bottom of
the boat hull. Once proper alignment is achieved, tighten the two allen head screws