3M Versaflo TR-300 PAPR Manual page 13

3M™ Versaflo™ Powered and Supplied Air Respiratory Systems
TR-300 PAPR Turning On and Off (slide 1 of 2)
1. To turn on, press the power button on the top of the motor/blower
2. The unit will perform a self diagnostic
The green power on LED (1), amber or "yellow" low battery LED (2) and red low

flow LED (3) will flash 2 to 3 times and alarms will sound during this time.
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