Re: Shift report 20000809 16:00-24:00

From: Konstantin Olchanski (olchansk@ux1.phy.bnl.gov)
Date: Wed Aug 09 2000 - 16:00:13 EDT

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In reply to: Peter H. L. Christiansen: "Re: Shift report 20000809 16:00-24:00"
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On Wed, Aug 09, 2000 at 03:54:37PM +0200, Peter H. L. Christiansen wrote:
> 
> BTW, I thought the triggerword1 had the same 2 digits in front as in the
> back (0101, 2121 etc ), but I sometimes see 2939, 2030, is there a reason
> for this ?  
> 


The is caused by the scaledown logic. This is how it works:

0x2121: the event satisfied both triggers 1 (0x0101) and 6 (0x2020).
0x2030: the event satisfied both triggers (0x10) and 6 (0x20)
        but trigger 5 (0x1010) did not survive the scaledown.

The bits 0x00XX are before the scaledown and
the bits 0xZZ00 are after the scaledown.


-- 
Konstantin Olchanski
Physics Department, Brookhaven National Laboratory, Long Island, New York
olchansk@bnl.gov

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