Simrad TRANSDUCER - INSTALLATION GENERIC REV H Installation Manual page 25

Ways of mounting the transducer
Example
The figure below illustrates a symmetrical box keel installation.
D
C
E
B
A
(A) = Box keel
(B) = U-shaped support bar (only required on large transducers)
(C) = Stuffing tube
(D) = Cable in steel conduit
(E) = Cable service loop
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