Evan, Daniel, Stefan We duplicated the full WFS + camera auto-alignment scheme on the y-arm. In particular we - Restarted h1iscey.mdl to include the CAM.mdl change (SVN revision 9393) - Set the Y Green WFS autocentering UGF's to 10Hz. - Re-phased Y Green WFS using a 55Hz length dither. - Closed all loops with the same scheme as the x-arm (WFSA-->ITMY, WFSB-->TMSY, ITMY camera-->ETMY). The camera loop relies on gain hierarchy through the WFS loops. - The overall gain is slightly lower on the y-arm, but all seems to work. - Did a from-scratch baffle-PD alignment of TMSY, aligned the y-arm to it, updated the camera config file and took a camera reference. - All this again seemed to work fairly reliably. - All medm setting are shown in the attached snapshot (the PIT and YAW output matrices are identical). Still TBD: Same tweaking as for the x-arm: - Fine-tune the output matrix - in particular the DoF3 (camera path) should be set to move all 3 optic in the right way - this would avoid having to go through a gain hierarchy. - Increase the loop UGF: main pendulum notches are needed to avoid a 2nd unity gain crossing.