PREX   "How To"   Page

last updated: April 16, 2010
Note to expert:
  After you update the file, make sure to set file group to a-parity and set the permission to group-writable so other experts can update this file !   chgrp a-parity *   ;   chmod 775 *

Shift Worker Responsibilities

HAPPEX/PREX Data Acquisition

HAPPEX DAQ cold start

Note: This is for HAPPEX DAQ. If you want to cold start spectrometer DAQ see Spectrometer DAQ cold start.

NOTE: After HAPPEX DAQ start, ensure that the dithering and asymmetry charge feedback is turned back on.
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Dithering should be on throughout the PREX running.

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Monitoring HAPPEX systems

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Rebooting HAPPEX/PREX crates