ComNav P4 Installation and Operation System Overview
Document PN 29010100 V1r0 - 33 -
The Distribution Unit (Figure 8) connects the Display Head(s) to a GNSS G2/G2B, and has
a
convenient set of terminal strips for connecting power, the signals to and from it,
as well
as the signals to the P4’s SPU. It also has a connector for the cable to a PC’s
COM port.
Figure 8 – Navigator G2 Distribution Unit
Fluxgate Compass
PN 20320008
Specifically designed for ComNav autopilots, the ComNav Fluxgate Compass directly senses
the Earth’s magnetic field. The unit incorporates a heeling coil for better performance when
the vessel is either rolling or heeled. The Fluxgate Compass is a sealed, waterproof unit
which may be mounted on a deck, shelf, or bulkhead. This compass outputs the traditional
analog Sine and Cosine compass signals. It is supplied with a 12 metre (40’) cable with flying
leads to wire it into the P4’s SPU.
Figure 9 – Fluxgate Compass
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