Similar work with klog28860We tried to find the reflection GRY beam from ETMY using the K1:ALS-Y_ARM_REFL_OUT16The current set value by TM oplev at ETMY isP : 20.4Y : 20.0And I can find the reflection beam at18.8 < P < 25.5-31.8 < Y < -13.4as shown in Fig.1.So, the alignment of ETMY is mostly OK.