Simrad NAC-2 VRF Core Pack - NAC-2, Precision-9 & N2k Starter Kit [000-13337-001]NAC 2 VRF Core Pack NAC 2, Precision 9 & N2k Starter Kit Comprising of the high current NAC 2 autopilot computer, Precision 9 compass and N2k Starter Kit. The NAC 2 Autopilot Computer is the brains behind your autopilot system. NAC 2 contains the control algorithms developed to helm a yacht across a broad range of weather conditions and sea states, alongside the electronics needed to operate a hydraulic or mechanical drive unit, while also interfacing