False CO alarm at Charles Street due to maintenance test 

Transcript:
It's engine, engine 1 in ladder 2. Engine 4, engine 1, engine 1, and ladder 2. On 167, Charles Street on a central station alarm indicating the CO detector. At the engine 4, engine 1 and ladder 2, 167 Charles Street on a central station alarm indicating the CO detector, Brownsab, Floyd Street, Engine 4. Street engine one engine one light at you have it Transmany box 271 at 748 Walthand fire broadcasting and alarm of fire. Box 271 has been transmitted on the central station alarm for 167 Charles Street indicating the CO detector. Waltham fire at 7.9. Engine 4 to Waltham fire. (name withheld) here that said he was down in the basement testing the system where about the end you're on scene with command you have a (name withheld) testing the system in the basement at 750 ambulance 1 with ALS transporting 1 to lay heat ambulance 1 with ALS to layhe at 750 Waltapier Fire ALS1 remaining in the city in service as ALS1. ALS1 is remaining in the city in service at 750. 3 to WALTAM. Ambulance 3. Good morning in the city and service. Good morning, ambulance 3. I'll show you in the city and service at 751. C2's off with engine 4. Last command. C2, you're off with engine 4. Yoha's command at 751. 400, a C2. Go ahead, 400. (name withheld) on C.U was testing assistant C.O. Thought it was a local. Didn't know his attention to the fire alarm system. Okay, I have that. Engine on the wall down. Engine 1. Engine 1 and ladder 2 are off. 1 has a hydrant. Engine 1, a ladder 2 are off engine 1 with a hydrant at 752. See 2 in the engine 1 and the latitude you can click. Engine 1 has that. Engine 1 the wall down. We're remaining on the air essential for fuel. Engine 1 and monitor 2 are clear, engine 1 to the pumps at 752.

Disclaimer:
This was transcribed by AI and may contain errors. Please verify the information independently.