Atleast half of the shift had H1 at Nominal Low Noise!
Day's Activities:
Locking Notes:
After the long lock this morning, H1 was stuck at CHECK_IR. Adjusted COMM OFFSET, but could only get the X-arm up to 0.5; during one attempt the XARM gain was oddly at 0(!). Opted for an Initial Alignment.
INITIAL ALIGNMENT notes:
At ALIGN_PRM, AS_AIR video looked ugly & would not lock up. Errantly moved PRM & PR2 to a time during the long lock....but this cancels the INPUT_ALIGN pointing we had (!). Kiwamu returned PR2 to it's aligned value and then continued with Alignment.
Ops Locking Note: (OpsInfo!)
I didn't get to all the alogs over the weekend. Jenne filled me in on a new Guardian state (CHECK_MICH_FRINGES) for those times when you are locking DRMI and alignment looks bad/ugly & when there is hardly any flashes. CHECK_MICH_FRINGES allows you to optimize your BS alignment for DRMI locking. Please see Jenne's alog & also the new entry in the Ops Sticky Note wiki.