I checked the demod phases for AS55, POP110, and all the REFL PDs.
AS55: I locked MICH, and shook the ITMs (+1 for Y, -1 for X), and watched the AS55 I & Q spectra at 580Hz (notch in the servo was enabled). I rotated the phase from -32.0 to +13.0 to get the signal entirely in the Q phase.
POP110: I locked the PRMI (triggering on POP22), and maximized POP22. I then rotated the phase of POP110 until the signal was maximally positive. I forgot what the starting phase was, but it is now 84. The POP11_I signal was entirely negative when I started, so the new phase is about 180 from the old phase. I also checked by unlocking the cavity, and seeing that a large peak in POPDC corresponded to large negative dips in POP110_I and POP22_I.
REFL PDs: I locked the PRMI, and shook the PRM (notches in the servos were enabled for both MICH and PRCL). Maximized the peak in the I phase. REFL11 was fine, REFL33 was fine. REFL55 was changed from 120 to 45. REFL165 was changed from 106 to 96.
I restored the SRM on the IFO_ALIGN screen, but the saved value was almost 2 full integers off in yaw from actual DRMI resonances. It looks like it was saved when Rana and I were working late last week. We must have accidentally saved it when it was misaligned, since hysteresis can't do that much.
I want to check the phases for POX and POY with arm locking, just in case. Also need to set the AS110 phase (which is plugged into the AS11 channels - need to fix the channel names).
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