They just control it normally, similar to how we control ACs. Though they have super fast reflexes and uber knowledge of the machine compared to the normal ones. Their bodies have been modified/enhanced to make it their "instinct".
BTW, if you're going to show the disadvantages of H+, don't introduce them just like that. One of specimens should probably "show" that to the readers.
BTW, if you're going to show the disadvantages of H+, don't introduce them just like that. One of specimens should probably "show" that to the readers.