[time-nuts] SR620 software and adjustment Ref queston

Eric Garner garnere at gmail.com
Mon Nov 12 18:13:53 UTC 2012


the ""reference" in step 2 is the best reference you own, not the
internal ref. sorry for the confusion.

-eric

On Mon, Nov 12, 2012 at 9:59 AM, Tom Knox <actast at hotmail.com> wrote:
>
> In step 2 is this my Lab Ref, or the SR620 ref out that is put into Ext  Ref and Input A ?
>
> Thomas Knox
>
>
>
>> Date: Mon, 12 Nov 2012 09:52:13 -0800
>> From: garnere at gmail.com
>> To: time-nuts at febo.com
>> Subject: Re: [time-nuts] SR620 software and adjustment
>>
>> Volker:
>>
>> This is the adjustment procedure that I used:
>>
>> Use the following adjustment sequence to get the frequency spot on:
>>
>> 1. Set the Cal jumper to Cal Enable
>> 2. Connect the reference to Ext Ref (rear) and Input A
>> 3. Switch the counter to Ext Ref
>> 4. Set the CalByte 50 for the best display (this is a very fine adjustement)
>> 5. Switch the counter to Int Ref
>> 6. Set the CalByte 4 for the best display (this adjustement is coarse,
>> optimize!)
>> 7. Set the Cal jumper to Cal Disable
>>
>>
>> The procedure can be found in the list archives and at Brooke Clarke's
>> website at: http://www.prc68.com/I/TandFTE.shtml
>>
>> -Eric
>>
>>
>>
>> On Mon, Nov 12, 2012 at 8:05 AM, Volker Esper <ailer2 at t-online.de> wrote:
>> >
>> > Sorry, I don't want to annoy you, but I can't find the alignment/adjustment
>> > procedure for the SR620 - once, I had it... :-( I don's mean that in the
>> > manual, there must be another one Bob talked about.
>> >
>> > By the way: is there any suitable vindous software out there, for talking
>> > (and listening) to the SR620 via RS-232? A program like Ulrichs Z38xx would
>> > be nice...
>> >
>> > Thanks a lot and please don't be annoyed - I guess this kind of question is
>> > not very inspiring.
>> >
>> > Volker
>> >
>> >
>> > _______________________________________________
>> > time-nuts mailing list -- time-nuts at febo.com
>> > To unsubscribe, go to
>> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> > and follow the instructions there.
>>
>>
>>
>> --
>> --Eric
>> _________________________________________
>> Eric Garner
>>
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at 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 at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.



-- 
--Eric
_________________________________________
Eric Garner



More information about the time-nuts mailing list