NMEA (GPRMC/GPGGA) NMEA status
•
Lock: After receiving a valid NMEA message.
•
Unlock: Not receiving a valid NMEA message for over 2 seconds.
PTP PTP status
•
Free Run: No PTP master is selected.
•
Tracking: Attempting to sync with the selected PTP Master, but the absolute offset exceeds the user-specified
limit in Section 4.2.3 Time sync.
•
Locked: The absolute offset is within the user-specified limit.
•
Frozen: The lidar has lost connection to the PTP master and is attempting to recover it. Meanwhile, lidar time
will drift from the last synchronized time. When the time drift exceeds the specification, PTP status will change
to Free Run.
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