What do the two positions of the drop flag indicate?

• A. White indicates the system is operating normally, red indicates an alarm condition exists
• B. Green indicates normal, yellow indicates warning
• C. Blue indicates cooling active, orange indicates heater on
• D. No status indication

Answer: (A)

Status indicators with two positions give an at-a-glance view of how the system isDoing. When everything is in safe, normal operation, the drop flag is white. If a fault or unsafe condition is detected, the flag drops to reveal red, signaling an alarm moment that requires immediate attention. The red color is used because it universally denotes danger or a need to stop and respond, while white is a neutral, easy-to-see indicator for normal operation. This simple color cue helps operators quickly assess safety and follow the proper procedures without having to read gauges or logs. Other color schemes may exist in different gear, but white for normal and red for alarm provide clear, rapid recognition in hazardous environments.