Where does this sound effect comes from?

[unreal talon]

just a very quick question to vedal. Where does this sound effect comes from? (the rolling numbers and letters)
https://youtu.be/3fNhBmF-PoE&t=39

[cunning trench]

I was thinking about a split flap display sound, but I'm not sure.

Might just be gear sounds, like some kind of mechanical counter resetting or something.