What does a blue light on the Buddy Lights indicate?

The blue light on the Buddy Lights indicates that the Pak is "thinking." This means that the device is processing data or performing self-diagnostics. The Buddy Lights serve as a communication tool between users of the SCBA, providing important information about the status of the equipment. When the blue light is illuminated, it shows that the system is actively functioning and monitoring conditions, which is crucial for ensuring the safety of users in hazardous environments. Recognizing this light's meaning can help users understand that the breathing apparatus is operational and managing its systems appropriately.