[PRad] test of the equal. code

[Chao Peng]

Hi Ashot,

Maybe you can start the operations, I will join you later.
I'm trying to help Bryan identify the GEM DAQ debugging.

Best,
Chao

On Thu, May 5, 2016 at 11:04 AM, <gasparan at jlab.org> wrote:

>
>   Hi Chao, Maxime and Li,
>
>  As we discussed yesterday, let us try to test/demonstrate the HyCal gain
> equalizing
> code from the Hall B counting room this afternoon (you suggest the time).
>
>  We will try to mimic the LMS for this purpose, for what we need to do
> these:
>
>  1) turn on the additional power supplies for HyCal;
>  2) turn on HV for only a group (48 channels of a lead glass group);
>  3) identify one channel to be equalized;
>  4) read dynode signal through the "total sum" ADC and watch it through
> the internet
>      connected scope at counting room.
>  5) change the gain of this channel by +/- 20 %
>
>  This pedestal readout and subtraction needs to be implemented in this
> code.
>
>  Let me know what time.
>
>  Ashot
>
>
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-- 
Chao Peng
Department of Physics
BOX 90305
Duke University
Durham, NC 27708
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