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User name silwal
Log entry time 00:07:39 on August20,2009
Entry number 285002
keyword=relay switch test on the left arm parity daq, pedestal probably wrong!!
patch panels signal 10/11 from the L-HRS come up to the counting house. bottom left two channels are 10/11 on the counthing house patch panel. +12V on 10 turns signal on HRS daq line, and +12V on 11 turns the parity daq line on.
the parity daq signal is on ADCX4-channel 0.
+12 V on 10 - adcx4 mean is about 7925, @ HV = -1500 V
+12 V on 11 - adcx4 mean is about 1.043e4, @ HV = -1500 V
+12 V on 10 - adcx4 mean is about 1.045e4, @ HV = 0 V
+12 V on 11 - adcx4 mean is about 7929, @ HV = 0 V
Pedestal is probably messed up!!!