I do believe the conventional MAS is controlled through pedals and sticks much like a helicopter or a plane. Plenty of buttons and interfaces. I usually like to think of the cockpits in Aldnoah.Zero or Knights of Sidonia for a MAS.

[img]http://www.entravity.com/wp-content/uploads/2014/04/sid-1-9.jpg[/img]

[img]http://1.bp.blogspot.com/-nnRAg-Rue2I/VB5PgLh_ZDI/AAAAAAAFSXM/nPNR01Yqq9w/s1600/Aldnoah%2B-%2B12%2B-1.jpg[/img]