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playground:alpha [2012/11/27 08:37] jacobs |
playground:alpha [2012/11/27 08:57] (current) jacobs |
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4. Turn off the deflection supplies and run lenses down to zero. | 4. Turn off the deflection supplies and run lenses down to zero. | ||
- | 5. Turn down the source gas until the pressure on the source tc gauge is ~10 microns. The pressure response is delayed, be patient. Do not over-drive the source gas control as it could damage the leak valve. | + | 5. If the source will be used again within 24 hours leave the gas set at 300 microns. Otherwise, turn down the source gas until the pressure on the source tc gauge is ~10 microns. The pressure response is delayed, be patient. Do not over-drive the source gas control as it could damage the leak valve. |
** Duoplasmatron Shut Down Completely ** | ** Duoplasmatron Shut Down Completely ** |