Spectracom PRISMA VelaSync User Manual page 105

To hand-set the System Time, and configure this time to be a valid reference:
1.
2.
3.
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3 VelaSync User's Manual Rev. 1
Note: If synchronization to UTC is NOT required, it is advisable to set a time in
the past or future, so as to avoid users inadvertently considering the distributed
time to be genuine.
Caution: Note that this mode of operation is intended for special use cases e.g.,
autonomous systems, where legally traceable time is not required: This time will
be inaccurate/not traceable, since it is not tied to any reference.
Navigate to MANAGEMENT > OTHER: Time Management .
In the System Time panel on the left, click the GEAR icon.
Select Manual Time Set . Set your time & date, as needed:
System Time [DATE; TIME]: If you do not select Set Year Only , this box will show the
current time in the format:
set the time manually, click anywhere in the System Time field. A drop-down cal-
endar with time-setting sliders will appear:
The time in the System Time field will default to the current date and time. To set
the time, use the sliders. The time will display between the calendar and the
sliders, and also next to the chosen date in the field directly above the calendar.
To close the calendar, click anywhere in the Edit System Time window.
NOTE: Except for testing purposes, you should not choose a date other than the
current day.
Set Year Only : Some legacy time formats (e.g., IRIG) do not support years. Check-
ing this box will open a data entry field to manually set the year. Spectracom
Year-Month-Day Hour:Minute:Second
3.2 System Time
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