Float on Backhoe Boom Control

[Imaybail]

Was looking at the specs on a backhoe and saw that the boom Control has a float position like that of a loader valve. Can some of the experienced operators explain how to use it?

 

[hturner12]

Float allows the bucket to follow the ground contour. Good for leveling

 

[skyhook]

Here's a video of one. Nice idea.