Hello,
VBS100 support using RS232 to control the connected Display, if you want to use VBS100s to turn on / off the connected displays, please
Make sure your display is in the RS232 supported devices list, you can check more details in
https://wiki.myviewboard.com/MyViewBoard_Manager#ViewBoard_Box
Using RS232 cable to connect VBS100 with your display
Go to ViewBoard Box to select Brand and models (see attached image)
Go to Jobs, create tasks Type: ViewBoard Box Control : power on /off 8am and 8pm ( see attached images)
About "make the content start playing on loop", you can also use Jobs to acheive this,
Choose type = broadcast multimedia or broadcast playlist
scheduling = recurring
Please let us know if you have any further questions, thank you
Peja