1. Check whether the magnet is in the persistent mode.  If so first switch back from the persistent mode by following the To Switch from Persistent Mode section.
  2. Set "0.5 A/m" and "63 A".


  3. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 24 minutes.
    → after ~24 minutes →  
    If you are in the NM4 Hall, and you see that the display shows "Rate Limit" in RED, then wait for a few minutes and observe the strip charts and this module's display.
    This indicates that the Mercury-iPS is more cautious with the rate of 'current' and it is adjusted by itself.

    After a few minutes, the display should look like the following.


    Wait until the VI indicates that it switched to "HOLD"

     
  4. Set "1 A/m" and "45 A".


  5. Press "To Set" and wait until the current becomes the SP and "HOLD".  It takes 18 minutes.
    → ~ 18 minutes →

  6. Set "2 A/m" and "0 A", then Press "To Set". Then, the screen should be similar to the following screen.


  7. Wait until the current becomes the SP and "HOLD".  It takes 23 minutes. Then, the screen should be similar to the following screen.


  8. Press the Toggle button of the main switch heater.  It turns off both the main and shim switch heaters. The following screenshot was taken during the process after pressing the toggle button.


     At the end, if you can access the NM4 hall, then ensure that the two LED bulbs Z1 and ZY-Z2 are OFF. Also ensure the Mercury-IPS shows ZEROs for  Current(A), Magnet(A), Voltage(V) as shown in the following picture.
    Image

Reference: UVA elog 174

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