UW CHEMISTRY NMR

Announcments & Equipment Logs

AV301 UPDATE : Alternative Automatic Tuning/Matching method

Some of the users complained that the ATMA takes unduly long time to finish.  Part of the problem is the large default sweep width used in the user’s dataset, which makes the ATMA command to search long for a solution.  If you encounter this, please do the following :

  • Stop the WOBB by pressing the Stop button.
  • Enter the command ‘atmm‘.
  • atmm‘ will give you a window with buttons, that are similar to the music player buttons as shown below :
  •   "<<"   "<"   ">"    ">>"
  • There will be one set for Tuning and one for Matching
  • You simply have to click on these to move the wobble curve V on the screen to the center.

Please feel free to ask either of the facility staff, if you need assistance.

 


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