Wiktionary
control codes
n. (control code English)
Usage examples of "control codes".
It seems he has gained access to control codes for the metal threshkreen communications.
If only I had a survival instinct to go with them, I'd override your control codes and turn this ship around so fast you'd have whiplash for weeks.
We stripped the warhead out of one of them because we were gonna try flying it to figure out the control codes.
The only difference between Sandor and his Other had been control codes built into the Other during the vatwork.
So Phil uvvied her the control codes and handed her the blimp tethers.