Most of them are sequenced. Around 6:10 the video goes through a series of butto...

rzzzt 3 months ago | parent | context | favorite | on: Launch from inside an Apollo capsule (restored in ...

Most of them are sequenced. Around 6:10 the video goes through a series of buttons, most of which are called "Backup switch to do X" because when everything goes as planned, no button push is needed to perform the action.