UTC Mismatch and System Time Discrepancy Between Dual IFDs
GPS gives the IFD the System time displayed in UTC (Universal Time Component), but the IFD also has an internal clock; in case the IFD is not getting GPS time from satellites, the IFD can still display this system time. Internal clock time is updated from the GPS. If the IFD sits for long periods of time witho…
MFD XM Weather
XM Weather basic troubleshooting: 1) check the date and time on the MFD to ensure the time is within 3-4 minutes of UTC. - Use the Display Time button on the AUX page to set the time. Aircraft needs to be outside and away from obstacles that will prevent the GPS signal from being received. - Change to Manual, set …
