> tripped at the beginning of each fill. Ion polarimeter HV was turned
> 'OFF" but after filling and going to 'OPER' the Ion Polarimeter HV would
> turn on, and then for some reason L2 would trip. Each time this
> happened we turned Ion Polarimeter HV off and then turned L2 'OFF' and
> then 'ON' and no trips for the rest of the fill.
After you turn ionpol (or any other chanel you want to keep off) off, then
hit set from the main window. It won't turn on again at the next oper. I
think it is in the prelim hv manual (e.g. in ~/pro2003/hv, maybe also in
the black book. One copy may also be in the logbook proper)
> tried to look at the output from '.rate' to see how the rates were
> affected by the problem above, but the output from .rate was all zeros.
> The '.chg' files are there. the only difference between the files from
> the runs we took tonight and previous runs are the last line in the
> '.chg' files, which is what '.rate' uses to make the plot.
> here is the lines from runs 1101 and 1110:
> not sure why things are different. charge.C didn't change during the
> shift.
that is also ok, since the timing cuts are for the e-p elastic, not e-d..
or eep. But will look into it.
> --------------------------------------------------------------------
> jason seely
> 26.650.b
> massachusetts institute of technology
> 77 massachusetts avenue
> cambridge, ma 02139-4307
>
> email: seely@mit.edu
> phone: 617.253.4772/6734
> html: web.mit.edu/seely/www
> --------------------------------------------------------------------
>
>
>
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