1. Go to >Utilities >Settings >More >High Precision Clock >Atomic Clock.
2. Set Discipline Source = Ext. 1PPS (RJ11).
3. Verify that 1PPS Signal Health = Valid.
4. Set Discipline Profile = Custom.
5. Set Time Constant (s) = 600.
6. Set Discipline Threshold (ns) = 20.
7. Verify that Disciplining Status = Acquiring.
8. Tap on the Phase Graph to monitor the relative phase error, until it becomes a horizontal line at about 0ns.
9. Close the Phase Graph and wait until the Disciplining Status = Locked.
At this point the test set’s internal “Atomic 10MHz” frequency and “Atomic 1PPS” timing reference signals can be considered highly
accurate and stable.
TX300s_Platform_Manual_RevB00
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