CHAMPs stands for . . .
C--conversation (voice level for the activity)
H--help (what you do if you need help)
A--activity (what you may be doing during that time)
M--movement (where you can move and for what reasons)
P--participation (how I'll know that you're doing what you should be doing)
For instance, here's mine for free reading time.
C--level 0 (no talking--voice level chart is on the wall)
H--come to teacher's desk individually
A--reading from appropriate reading materials
M--bookshelf, library, computer, teacher's desk
P--reading, taking tests, or checking out books