Trouble making program active

I loaded a .NC program toggling the dos file names but cant make the program active. What am I doing wrong?

Ahhp ok name issue ...got it

Does anyone else that has a BR series have issues with MAJOR air consumption? This thing eats a lot...I mean a lot of air

- - - Updated - - -

Ahhp ok name issue ...got it

Does anyone else that has a BR series have issues with MAJOR air consumption? This thing eats a lot...I mean a lot of air