Originally Posted by paintermike03
The test button activates a sensor that will tell you how much radiation you have absorbed by using humphrey noids
Which is why it's best to wear full fingered gloves when playing with an AKA marker. Also because of the fact that touching AKA to bare skin almost always results in a full erection, which can be embarassing on the field and should not be used as a rudder when sliding into the snake...
The test button allows you to check if the noid is indeed cycling. If you push the button and your noid cycles (with air), move on to the next item on your troubleshoot list.