Reports until 11:24, Wednesday 05 November 2014
H1 SEI
jim.warner@LIGO.ORG - posted 11:24, Wednesday 05 November 2014 - last comment - 11:59, Friday 07 November 2014(14866)
ETMY HEPI sensor correction filter issue

I wanted to try turning on HEPI sensor correction at EY this morning, but I've run into an issue. When I turn on just the new Mitt_sc filter no numbers come out of the outputs. However, when I turn on the filters associated with the fir sensor correction, numbers come out. Even when I just turn on the path, with no filters engaged, numbers come out of the output block. Something about engaging the sensor correction filter completely cuts the signal. I will try copying the filter to a different fm when I get a chance.

Comments related to this report
jim.warner@LIGO.ORG - 11:59, Friday 07 November 2014 (14916)

I screwed this up. Dave found that I had installed a filter with a gain of something like 10^-11, then fixed the gain, but never loaded the code into the front end. So foton showed a reasonable filter, but the front end was running a filter with a gain of zero. This is fixed now.