How do you know how long to leave the screwdriver in and know for sure that all the air is gone? Do I just wait for the fan to cycle on and off a few times? Or is there a specific amount of time I should wait?
How do you know how long to leave the screwdriver in and know for sure that all the air is gone? Do I just wait for the fan to cycle on and off a few times? Or is there a specific amount of time I should wait?