Thank you very much for your replies. :) 4. So the battery can be charged while plugged into the headset. What happens when you pull the battery from headset?

Thank you very much for your replies. :) 4. So the battery can be charged while plugged into the headset. What happens when you pull the battery from headset? I am guessing insta black. Does it have some power-saving mode where only R1 is feeding images from cameras to displays without any computing possibilities?