4 Color convention

Following colors are reserved for showing the state of the elements (channels and nodes):

• Green: the element is active without an alarm
• Yellow: the element is active with an alarm of level Warning (the lowest level of alarm)
• Orange: the element is active with an alarm of level Error
• Red: the element is active with an alarm of level Fatal (the highest level of alarm)
• Gray: the alarm of the element is masked
• Black: the element is inactive (not connected to hardware)