[time-nuts] SR620 testing

Joseph Gray jgray at zianet.com
Tue Feb 23 05:14:50 UTC 2016


Ignore the problem with EXT trigger. I did a factory reset and now it
is working. I should have thought to reset it to begin with.

Joe Gray
W5JG


On Mon, Feb 22, 2016 at 8:14 PM, Joseph Gray <jgray at zianet.com> wrote:
> Finally got an SR620 at a decent price. I'm going through the
> Functional Tests and the Performance Tests now. So far, I have two
> anomalies.
>
> Pg 62 Functional Test - EXT input. When I vary the EXT trigger knob, I
> don't get the trigger LED, except that it flashes briefly at one spot
> as I move the knob from high to low.
>
> XY outputs - text at the top is slanted and text near the middle right
> is overlaid. I don't know if I care about this, as I am unlikely to
> use this feature.
>
> I can't test the printer port. No Epson printer. I probably don't care
> about this, either.
>
> Pg 63 Performance Test - Timebase frequency is 15 Hz high. I will adjust later.
>
> Timebase accuracy +/- 0.0035 Hz passes.
>
> This is far as I have gotten. After I get a bite of dinner, I will proceed.
>
> The EXT trigger test not working worries me. Perhaps I am doing something wrong?
>
>
> Joe Gray
> W5JG



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