MOTM

>  That way one can connect the Midi-Thru connection (in back) to the
> Midi In jack in back of the 600.

Yes, the MIDI outs are wired-OR together via open-collectors on the optocouplers. THRU on the
back doesn't "know" where the data came from.

> 
> 2) Is there a way to "daisy chain" the Ext Clock signal to other modules
> from the rear of the modules?

No, buy more MOTM-910s. My children starve.

> 
> 3) Is there any reason that the buttons on the 600 series are not
> standardized?

I didn't know there *was* a "button standard".

If you mean like the pretty blue ones on the uSeq, they won't fit (too wide).

Paul S.