PMC heater power change steers the Main PSL beam, and others.

I looked around at signals on the PSL and in the IO path, and found two things.  The first, which is probably unremarkable, is that when the RefCav Trans PD went to 0, the ISS QPD, and IO GigiE cameras don't see a change in the beam alignment.  The second is that when the PMC heater power changed, going from 30 to 60, that change steered the beams coming out of the PMC, as seen on the ISS QPD, and IO GigiE cameras.

Many plots, but the first and last give the most pertinent information. 

• the first plot shows the PMC heater power change, and how that's seen on the GigE cameras
• the last plot shows the FSS Trans going to 0, and the beam alignment sensors as unchanged (to the level that we expect, when the PMC unlocks and relocks)
• the 4th plot (from the right) shows IMC relocking during the heater power change, and the PZT response
• the 8th plot (from the right) shows the ISS QPD DX nd DY and the PMC heater power