Installation manual

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20. Change the following standard soft pulses:
90/270 excitation Pulses 60000
P. Level click on ‘calc’
180 refocussing Pulses 60000
P. Level click on ‘calc’
Psh3 Pulses 10000
P. Level click on ‘calc’
21. Click on ‘Save’
22. Click on ‘File’ and select ‘Edit tunefile’
23. Enter the password
24. Make the following changes in the tunefile and save it:
# Shim_name Maximum_Step_Size Number_of_Iterations
Z 10 2
Z2 10 2
# Z3 5 2
# The shim method is, to increase one shim value by step-size until the
# measured lock value decreases again. Then the step-size is reduced
# according to the measured values. This is repeated number-of-iteration times.
Z 5 2
Z2 5 2
Z3 5 2
# AUTOSHIM ON Z=4 Z2=2
25. Click on 'SAVE' and enter the password
2.4. Lock file set up
Sample: 0.1% Ethyl benzene in CDCl3 or any sample in CDCl3
NOTE: This procedure should be performed on a regular basis. (e.g. once a
month)
1. Insert sample into the magnet