This is the indicator light that says whether you are rehearsing, transmitting or both.
The arduino is controlled by HTTP GET requests and is in the format <IP address>/?[request].
This can also be controlled from the desk push-buttons, see the controller section.
- Turn on rehearsal light - <IP address>/?rehearsal_on
- Turn on transmission light - <IP address>/?transmission_on
- Turn on both rehearsal and transmission light - <IP address>/?rehearsal_transmission_on
- Turn off both rehearsal lights - <IP address>/?rehearsal_transmission_off