Hi >From what I’ve seen, many 620’s that have been sitting for a few years will >not operate until the calibration procedure is run. They drift far enough out >that they pitch errors trying to do simple things. Let the beast warm up for >an hour and run the cal as soon as you get a used one.
Bob > On Nov 21, 2014, at 9:34 PM, Hui Zhang <[email protected]> wrote: > > Hi Bob: > I agree with you. But the chapter is a easy way to check your new counter > when it arrived, and it's not only a calibration of just self test, it's > testing counter's performance on some level. > > > > > Regards. > > > > > Hui Zhang > > > > At 2014-11-22 10:22:53, "Bob Camp" <[email protected]> wrote: >> Hi >> >> Probably the best information out there on setting up a SR620 is buried in >> the archives of this list back a few years. The back and forth required on >> some of the adjustments is far from obvious. You do need to start from the >> manual and get it as far as the manual will allow. You then go into the >> “Time Nuts advanced” procedures. >> >> Bob >> >>> On Nov 21, 2014, at 9:19 PM, Hui Zhang <[email protected]> wrote: >>> >>> The SR620's manual is perfect, there is a whole chapter has detail >>> information of performance test. You can use that way for check the >>> counter's condition. >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> Hui Zhang >>> >>> >>> >>> >>> >>> >>> >>> >>> At 2014-11-22 07:51:41, "Dr. David Kirkby (Kirkby Microwave Ltd)" >>> <[email protected]> wrote: >>>> After regrettably selling my 5370B a few years ago, I decided to look for a >>>> used SR620. >>>> >>>> Are there any particular issues with these that could be tested by the >>>> seller prior to shipping it? I have not downloaded the manual yet, but I >>>> assume there's a basic test in there - probably similar to that in the >>>> 5370B manual. >>>> >>>> Were these available with a Rb oscillator? I see a seller on eBay that he >>>> has some Rb ones for $1500 extra, but I don't see it as an option on the >>>> SRS web site. >>>> >>>> Dr David Kirkby >>>> Managing Director >>>> Kirkby Microwave Ltd >>>> Registered office: Stokes Hall Lodge, Burnham Rd, Chelmsford, Essex, CM3 >>>> 6DT, United Kingdom >>>> Registered in England and Wales as company number 08914892 >>>> http://www.kirkbymicrowave.co.uk/ >>>> Tel 07910 441670 / +44 7910 441670 (0900-2100 GMT) >>>> _______________________________________________ >>>> 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. >> >> _______________________________________________ >> 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. _______________________________________________ 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.
