Compensation for Plastimo Offshore 75, Mini-B, Mini-Contest and Contest 101 & 130 compasses. Compensation can be adjusted by using a small flat head screwdriver.
The Prism is a stripped down racing compass. The Prism provides unprecedented accuracy, coupled with a massive display, in a compact package. At a mere 137 g (4.8 oz) it is the world's lightest racing compass. The Prism uses only magnetic input as its heading reference, has no memory, no user inputs, and performs no arithmetic functions. It's legal in all classes that allow electronic compasses.
The vane is permanently attached to the stake while the plastic base easily slides in and out of the bow eye fairlead, held in place for sailing with the stake. Simple to install and remove after sailing.
A single book providing a complete manual back-up for all celestial navigation needs. The content is identical to the United States Naval Observatory edition.
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