Yes, engine running.
I remeber trying on the Audio Menu (I do not remember trying in other menu item, should I try?).
No press on the Screen Off.
I tried in Park, Neutral, and Drive. (Neutral an Drive with foot on brake at 0mph).
I’m having the exact same issue. I received the tazer mini over the weekend. I did update the firmware to the latest before installing it in the gladiator. The behavior is the same… works once in the mapped button. After that, it only shuts off the center screen (12.3in) and center console...