Yeah, we have to have some undocumented commands.. The 600 is 10 minute sample intervals. The 288 is number of samples saved, so it samples 48 hours of data..
Bye, Said Sent From iPhone On Apr 28, 2014, at 12:02, Hans Holzach <hans.holz...@gmail.com> wrote: > said, > > very nice, a secret command that is not mentioned in the manual! i'll play > with it a bit next weekend. seems quite useful, at least to me. > > hmm, i wonder what other commands there are on that misterious list... :-) > > thank you, > hans > > > Hi Hans, > > in order not to chase the tempco and aging algorithm (it will reset the > values by itself every 10 minutes while locked to GPS as you have noted) you > may simply turn tempco and aging compensation off manually during your test > period. > > This can be done by the serv:tas x, yy... command. The first parameter is > the mode; 0 being both off, 1 being aging compensation only, and 2 being > both aging and temperature compensation. > > So the commands would be: > > serv:tas? > > to query the current settings, then issuing the command: > > serv: tas 0, xx, xx ... > > where xx, xx.. are the same values that were shown with the query command. > > To re-enable the aging and tempco compensation when you are done with > your measurement, simply send the > > > serv: tas 2, xx, xx ... > > command using the same settings again as the query command had returned. > > Hope that helps, > Said > > > > In a message dated 4/28/2014 05:32:41 Pacific Daylight Time, > hans.holzach at gmail.com writes: > > said, > > > > if i understand correctly, while in holdover, activated by > sync:hold:init, temperature and aging compensation are still active > (as it should be). however, to measure drift, i have to somehow > disable these compensations, haven't i? > > > > yesterday, i wrote down the values of temperature and aging > compensation, then set both to 0. in holdover the software does not > seem to recalculate the values, at least not during the hour or two > i had the oscillator unlocked. on uli's Z38XX the EFC curve was > flat, unlike when temperature and aging compensation are active (or > not 0) during holdover. one hour or so after sync:hold:rec:init i > checked the values again, and they were very close to the values > before i reset them to 0. > > > > my question is: would this be the correct procedure to have a truely > unlocked oscillator: start holdover and then set tempco and aging to > 0? > > > > thank you, > > hans > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.