Karel,
Please tell us your ECL level for the 2H-TX board.
Martha
Martha Morton
Director of Research Instrumentation
Co-Chair, Department of Chemistry Safety Committee
University of Nebraska-Lincoln
4024726255<
tel:4024726255>
________________________________
> From: main_at_ammrl.groups.io <main_at_ammrl.groups.io> on behalf of Karel Klika <karkli_at_utu.fi>
> Sent: Tuesday, May 30, 2023 11:55 AM
> To: main_at_ammrl.groups.io <main_at_ammrl.groups.io>
> Subject: Re: [AMMRL] AMMRL: lock problem
.
> Dear all,
>
> Regarding the strange lock problem. many thanks to all those who responded
> with suggestions. Still no closer to a resolution unfortunately.
> I think it is the 2H-TX board, so anyone have such a board for a Avance 600
> they are willing to part with ?
> Also, I should apologize for the "2D" instead of saying "2H" or just "D" for
> example which confused some people (deuterium or 2-dimensional ?), a bad habit
> I picked up from a certain NMR program that I used to use a long time ago.
>
> Many thanks.
>
> Regards,
> Karel
> ________________________________________
> From: Karel Klika
> Sent: 26 May 2023 13:26:12
> To: main_at_ammrl.groups.io
> Subject: AMMRL: lock problem
>
> Dear all,
>
> We have a problem with lock/topshim. We can lock fine on 2D, lock is normal
> and S/N is good. If we run topshim on 1H all is fine. However, topshim on
> 2D fails and we get an error message saying no signal at all. Measuring a 2D
> spectrum only provides a very weak signal. If I try and measure the 2D pulse
> length it looks really weird (pic attached), the signal intensity does not
> seem to change at all, but the phase is totally erratic. Any ideas what the
> problem is and how to fix it ?
>
> Many thanks.
>
> Regards,
> Karel
>
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Received on Tue May 30 2023 - 10:09:23 MST