TOF Monitoring Checklist L2

High Voltage To TOF Look at HV_Control.vi on the Plastic computer.    
Nominal TOF Status  Actual TOF Status Agree?  
On c    Off c On c  Off c Yes c

No c

If they disagree, inform TOF Expert.

 

Instructions Measurements Comments Actions To Take
TOF Discriminators
Go to the Camac controls VI. Is X and Q valid? Yes c

No c

If no, read out crates and recheck. If still invalid, note in logbook and restart vi.
Diagnostic Run Mode Checks
Go to the 4-fold logic unit in the TOF NIM bin. Look at the UPPER unit only.  Are channels A,B,C and D Off? (Upper part.) Yes c

No c

If no, insert pin into pinholes A, B, C, and D if one isn't present.
The LED HV is located above the HV mainframe. Is LED HV Off? Yes c

No c

If No, dail down, counter clock wise, the HV to zero and disable HV.
Look at the Time Calibrator in the TOF NIM Bin. Is Time Calibrator Off? Yes c

No c

If No, switch off.