I kept locking the IRX wih guardian from 17:45 JST (fig1: IR Trans image with exposure time of 1000 us).
So, please do not touch IMC, IMMT1, IMMT2, PR2, PR3, ITMX, and ETMX tonight.
I stopped XARM guardian at 8:55 JST.
Figure 1 shows the STATE number of XARM guardian (1500 is the IR_LOCKED state).
Longest lock is about 30 min.
Mistake.