3. We took a copy of T3 coming from BigBite and plugged into L-HRS scaler(replacing the existing copy coming from L-HRS). In this case both HRS and BB counts are same with random rate - problem fixed!
I worry that that is just 'problem hidden'. There are two scalers that should be counting identically but show a 1% difference. With a pulser it works correctly, with a random signal it doesn't. The fix was to switch duplicate on of the two signals, and plug the new copy into the L-HRS scaler.
How do you know that you made a duplicate of the 'good' signal and not the
'bad' signal? (The assumption here that BigBite is correct and the LHRS was
counting 1% high. How do you know that the LHRS wasn't counting accurately
and the BigBite scaler wasn't dropping 1% of the counts?)
A copy of this log entry has been emailed to: rom,vasulk,jinhuang,jiang,gen,kalyan