Stan, I believe I made it with calbyte 4 as described on page 71 of the manual.
Best regards Ulrich > -----Ursprungliche Nachricht----- > Von: [email protected] > [mailto:[email protected]] Im Auftrag von Stan > Gesendet: Montag, 28. September 2009 14:46 > An: [email protected] > Betreff: Re: [time-nuts] Stanford Research SR620 Measurement Bias > > > Hi Ulrich, > > Thanks for the insight! I tried manually adjusting the value > of CalByte 50 (as per Magnus' suggestion), but it did not > make the problem go away. There is interaction between this > adjustment and the CalByte 4 adjustment for timebase > accuracy, and when all was said and done, I didn't notice any > significant difference in the offset. > > Where in the manual does it describe the procedure to > minimize the bias? It's definitely not where I would have > expected it to be! > > Regards, > Stan > > > Message: 1 > Date: Mon, 28 Sep 2009 09:08:21 +0200 > From: "Ulrich Bangert" <[email protected]> > Subject: Re: [time-nuts] Stanford Research SR620 Measurement Bias > To: "'Discussion of precise time and frequency measurement'" > <[email protected]> > Message-ID: <a4d0a2a6239b4798ab28e7193a646...@athlon> > Content-Type: text/plain; charset="us-ascii" > > Stan, > > I own a SR620 as well and mine behaves the same (while with a > different number of "counts") so your's is surely not > defective! My understanding a few years ago when I acquired > the counter was that this bias is not due to a "adjustment" > in the normal sense but to set a parameter in the counter's > eeprom to a correct value. Since this parameter is limited to > a certain precisison you can make some effort in minimizing > this bias but you should not expect to make it exactly zero. > The manual explains how to do but you do not find the > procedure where you would have expected it. > > Best regards > Ulrich Bangert > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
