hello how can i open the stairs please help !!!!!!! witch keyboard cammand i have to use

Hello,1. According to PMDG Forum rules please sign your name at the end of the post, thanks2. Doing a short search in the forum would reveal many topic about this ;)To your question: Assign a key to the Concorde Nose Visor Extend fully and Concorde Nose Visor Retract fully...