Turning off UAV turret stabilization once numpad / has been pressed?

How do you turn off the turret stabilization that is activated with numpad /. Once it has been enabled i cannot find a way to turn it off, which can become annoying in certain circumstances and also stops the turrets from functioning autonomously. Thanks in advance.

I use Ctrl+T to lock the turret, it also unlocks it. I didn't even know you could use the numpad slash.