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dlane1181

Dear Sir,
Sorry for my delayed response. We are now back aboard our vessel.

- To clarify, when calibrating the EV-1 and autopilot while underway, the GPS failed to align to the GPS. Dockside checks were successfully completed. The underway checks and other steps were also done successfully, except for GPS alignment, which simply entails maintaining a steady course for a few minutes, which we did. However, we received the following message on the p70 display, "Task Fail - Inconsistent values." Later, when back at the dock, we observed the COG cycling 360 degrees.

Should the problem occur under such conditions, then please indicate the make/model of chartplotter/MFD is installed onboard?
- We have an Axiom 9, selected as data master, at the navigation station, and an Axiom 12 at the helm. We observe the COG cycling 360 degrees continuously, even when docked and with no way on. It also continues to cycle when I change the data master from the Axiom 9 to the Axiom 12.

If the chartplotter/MFD/system has been interfaced to an external GPS sensor, please specify the make/model of GPS sensor which has been installed.
- No external GPS sensor has been installed or is being used.

Finally, when the problem described is observed, please specify the HDOP value reported within the GPS status dialog of the chartplotter/MFD.
- HDOP = 1.5 as read on 16 December 2019, at 16:36 UTC.

Thank you for your assistance with troubleshooting this problem.
DAL