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 - 09:55:08 MST