1,PRM spot can be viewed directly from the window south-east of ITMX chamber. I can easy set up the mobile- Watek for this reason or you can just use an IR viewer.
Remember, we have 2 SOS centering targets ready to use , that Rana was suggesting.
2, PR2 spot centering can be viewed directly through window north-west of ITMX.
3, We should put back the BS view pick-up mirror for the vertical camera on the BS chamber and adjust its upper pick-up.
4, The BS centering can be viewed with the mobile-Watek placed inside the BS chamber immediately.