How can you tell if your mesh head is properly tight ?

[boneill]

How can you tell if your mesh head is properly tight ("tuned") ? 
Something like counting stick bounces from a certain height above it ?

[Chaser]

The Heads around 76/77lbs...if you use a Drum Dial.

Alesis added a support page including Video...for more recent Heads/Trigger Systems.

Alesis Drums | Do my mesh heads need to be tuned?

"Tuning a mesh drum head is done in the same cross shaped motion as a a regular drum head, until the head is tight enough that you can't press into the center with your thumb with moderate pressure and create an impression."

For proper tuning technique, please see the following video: