[Elecraft] K2 CW R problems

[Gordon LaPoint]

I finished building my K2, finished alignment and all works fine. I 
since installed the SSB and AF filter.   Starting the CAL FIL setup I 
decided to lower the CW Tone from 750Hz to 650 Hz so I needed to do the 
CAL FIL complete including the CW Filters.   I can not get the K2 to go 
to CW R mode.  The A/B [REV] button only switches between VFO A and B   
A hold of the button does not activate CW R, What do I have setup wrong?
The modes do step through CW, U and L normally, I do have the OP1 filter 
showing up, I have not enabled RTTY mode.

Thanks,
Gordon - N1MGO