This was necessary because he didn't know the disarming code sequence.

"I would like to direct the Brotherhood's attention to the code sequences in question."

And this code sequence is in the file itself, so anything can happen.

Tapping in two code sequences, he waited for a response.

Holding the device in his hand, he struggled to remember the code sequence.

His only hope was to remember the code sequence based solely on the positions of the buttons.

"But you have the code sequence for the flight sensors?"

They turned to the screen, and Clare started the code sequence for contact.

Without the correct code sequence, the engine is not allowed to start.

Each ship had a unique code sequence that its captain could change at will.