I have by-hand re-engaged the ADS lines (and turned on the ITMY line that we don't usually turn on), so we can watch what they do during thermalization, while the spots are controlled with the camera servos. 

The lines have a bit been on-and-off, since we were going to NLN_CAL_MEAS, but in general the lines have been on at the nominal low noise height of 30 counts in the oscillators. 

The first plot is a zoom of what happened while we were naturally thermalizing, including some interesting-ness in the yaw3 value.  It's off and on again due to my not having it turned back on very quickly, but the values around -22 mins are what they had converged to when we switched to camera servos (and the lines get turned off).  Then, I turn the lines back on, and the yaw3 value is quite different from what it had been. I'm not sure if that's a huge deal or not, but it's something I hadn't really been actively aware of until today.

The second plot is over a much longer time, while Jennie and I were also moving some pointing around.  The cyan circles are of the time from the first plot.  The green-purple-green-blue horizontal bar in the middle is roughly representative of the times we were doing different things. Green times are normal, nominal thermalization, with all optics in their usual positions.  During the purple time Jennie was moving the PRM via the camera servo setpoint. During the second green time she had reverted things, so it's back to nominal thermalization.  The blue time is when I was moving IM1 and IM3 via their sliders.  

One conclusion I have is that the time whne we were moving IM1 and IM3 via their sliders (steps of -20 counts each in yaw, waiting, then another set of -20 slider counts each in yaw), the ADS YAW3 line goes farther from zero, indicating that we'd have higher ASC coupling, so it makes sense that the range might have looked worse when Gabriele and Jennie were doing this test a while ago, even though the buildups got better.  I don't think I had gone even quite as far in yaw as Jennie and Gabriele had gone the other day, but we had a fast lockloss, even though nothing was actively being moved (I was holding still for a few tens of seconds).

Jennie has more details on the tests we did this afternoon.