[time-nuts] purpose of time of day display units

[Poul-Henning Kamp]

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In message <537E808D-731C-42DE-90F3-BEC55363B7AC at sfr.fr>, Mike Cook writes:

>All that these units do is merely display the time of day and
>sometimes the date, typically by means of seven segment LED displays,
>of the time code inputted to them (typically IRIG-B, I'm guessing).

I can imagine two reasons:

A) Trying to explain a $1M set of racks keeping track of time, without
   them actually showing the time is a lot harder.

B) Visual indication that your IRIG-B is fine.


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