Probe Tuning on DRX-400

For nuclei other than 1H, the probe is tuned using the digital tuning wands under the probe.
Acceptable tuning can be obtained by selecting the standard values which are located under
the magnet.

To tune the probe accurately, you must:

1. Have your sample in the magnet. Lock and shim the magnetic field.

2. Type read<CR> and select the experiment.

3. Type ii<CR>.

4. Type acqu<CR>.

5. Type wobb<CR>.

6. Adjust the tuning wands by centering and lowering the dip on the computer screen, or, minimizing
    and centering the light on top of the preamp.

7. When satisfied, type halt<CR> to return to the display window.