In this video: Surfside Condo Collapse - Miracle Caught On Camera - Boy Pulled From Rubble Pile By Firefighters - YouTube you can hear a notifier slow whoop, and a Gentex commander doing code 3 but the third beep is cut off. Why is the commander doing that?
If it’s hard to hear, the commander can be heard louder in this part: Surfside Condo Collapse - Miracle Caught On Camera - Boy Pulled From Rubble Pile By Firefighters - YouTube