Understood, the weekend is here.
I checked the system clock in SETUP, and it's mostly steady at WORDCLK, shifting between 44101 and 44102 KHz.
It's being fed word clock from an internal Apogee clock card in my Mackie D8B console.
In the past, this unit has been known to "freak out" when I've been auditioning programs. The clock will try to switch to say 48, and sometimes gives an error that states something like the clock has become too unstable to lock to. (I'm paraphrasing) In any case, I lock two other devices from the same source and have never had issues with them.
I'll play around a little and report back what occurs.