There is a little video here on using the striptool. Basically, open it up from facethome (at the time of writing, it is the fifth button down in the right hand column on facethome). Write the PVs in and go...
Often, operators like to put in the transverse beam size and watch it with time as they tune (hopefully go down!). It can also be used to watch pressures when you vent systems. Useful.