The squeezer blrms that is close to 1kHz has some notches for the 1kHz violin modes.  However, in two recent locks modes on ETMX rang up enough to show up in the squeezer blrms anyway, and each time this happened we lost lock at a similar amplitude (see attachment).  

It looks like we need to look into what is happening with these two modes, ETMX mode16 and mode13.

Also, while looking into this I made a change to the violin monitor ndscopes that are linked from the violin mode screen.