HOW TO TUNE, LOCK AND SHIM NMR
CLICK ON THE “ACQUIRE” TAB ON THE TOPSPIN SOFTWARE LOCATED AT THE TOP LEFT OF THE SCREEN.
THERE ARE SEVERAL WAYS TO ACCESS THE MAJORITY OF THE COMMANDS. ALL CAN BE DONE BY EITHER THE TOOLBAR AT THE TOP OF THE SCREEN OR THE COMMANDS IN THE COMMAND FIELD AT THE BOTTOM. ALL THE COMMANDS CAN BE FOUND IN THE HELP MENU BY CLICKING THE “?” AND SELECTING LIST OF COMMANDS.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20Access%20Commands.png.webp?itok=fECv6PdZ)
LOCKING
1) TO LOCK SIMPLY CLICK “LOCK” FROM THE TOOLBAR OR TYPE “LOCK” IN THE COMMAND FIELD AT THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/1.png.webp?itok=5DY6C67V)
THIS WILL BRING UP THE LIST OF SOLVENTS.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/List%20of%20Solvents.png.webp?itok=mL3xDYcC)
2) IF YOU ALREADY KNOW THE SOLVENT NAME SIMPLY TYPE IT AFTER THE WORD “LOCK” WITH A SPACE IN THE COMMAND FIELD.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20Locking.png.webp?itok=fK7CEw3L)
3) DOUBLE CLICKING ON THE LOCK ICON ON THE BOTTOM WILL BRING UP THE LOCK DISPLAY.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/3%20Locking.png.webp?itok=PMpYenfO)
4) WHEN FINISHED IT WILL DISPLAY “LOCKN FINISHED “ON THE BOTTOM LEFT OF SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/4%20Locking.png.webp?itok=ZDQI-U8e)
TUNING
1)TO TUNE THE PROBE YOU CAN SELECT THE BUTTON FOR “TUNE” AT THE TOP TOOLBAR OR SIMPLY TYPE “ATMA” INTO THE COMMAND FIELD.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/1%20Tuning.png.webp?itok=KeBNeuAF)
2) ONCE THAT IS DONE THE TUNE/MATCH SCREEN WILL SHOW UP AND THE PROBE WILL AUTOMATICALLY TUNE AND MATCH.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20Tuning.png.webp?itok=uAA8nDvQ)
3) ONCE COMPLETED IT WILL DISPLAY TUNE FINISHED AT THE BOTTOM LEFT OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/3%20Tuning.png.webp?itok=jP6n0WOk)
SHIMMING
1) TO SHIM CLICK ON THE “SHIM” ICON OR TYPE “TOPSHIM” INTO THE COMMANDS FIELD AT THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/1%20shimming.png.webp?itok=R3ApGU1v)
2) ONCE IT STARTS THE STATUS CAN BE SEEN ON THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20shimming.png.webp?itok=fzPaSQfb)
ADJUSTING RECEIVER GAIN
1) TO ADJUST RECEIVER GAIN CLICK THE “GAIN” BUTTON ON THE TOP TOOLBAR OR TYPE “RGA” INTO THE COMMANDS FIELD AT THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/1%20Adjust.png.webp?itok=FKgWQw7d)
2) WHEN DONE, IT WILL DISPLAY “RGA: FINISHED” AT THE BOTTOM LEFT OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20adjust.png.webp?itok=Own2VcSy)
3) THE SEE THE RECEIVER GAIN TYPE “RG” IN THE COMMANDS FIELD.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/3%20adjust.png.webp?itok=KzpQpwVI)
RUNNING A SAMPLE
1) ONCE THE TUNE AND LOCK AND SHIM HAVE BEEN PERFORMED THE SAMPLE CAN BE RUN BY CLICKING THE “GO” BUTTON ON THE TOOLBAR OR TYPING “ZG’ IN THE COMMANDS FIELD AT THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/1%20sample.png.webp?itok=4BbI6tOg)
2) “ACQUISTION RUNNING” WILL APPEAR AT THE BOTTOM OF THE SCREEN.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/2%20sample.png.webp?itok=yBwjtVJ9)
3) ONCE PROCESSING IS FINISHED TYPE “SX EJ” TO EJECT SAMPLE.
![](https://www.swarthmore.edu/sites/default/files/styles/main_page_image/public/assets/images/chemistry-biochemistry/3%20sample.png.webp?itok=lUzeT3yp)