Eagle CUDA 250 S/Map Installation And Operation Instructions Manual page 45

Bracket front
Mount the sonar: slide the unit onto the bracket from above.
Depress
ratchets to
release.
Swivel base
Adjust viewing angle: use one hand to press and release the spring-
loaded ratchets while you move the unit with the other hand. An op-
tional GBSA-3 swivel base is shown with the quick release bracket.
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