No, but this document lists the specs and has some nice, but small photo's on page 12: http://shop.heuff.nl/upload_tmp/BR_DEXIBELL-STAGE-PORTABLE-COMBO_ENG_LR.PDF
Page 26, in addition, describes and gives a screen shot of one pane of the software editor for all of the pianos.
Yes, not what we want, but at least it fills in some details.