Questions about program ...

What is the crossed arrow function on the pallette, and how is it used?
Under the guitar techniques pallette, I assume H, P and T are hammer, pull and tap. If you have selected this by accident, how do you remove it from your score?
Under the guitar techniques pallette, I assume H, P and T are hammer, pull and tap. If you have selected this by accident, how do you remove it from your score?