To look at the oscilloscope at the PSL racks, run
xvncviewer 10.105.0.120
on a control room computer. 10.105.0.120 is the scope IP address, which must be plugged into port 6 of the PSL rack router. xvncviewer is the TightVNC remote desktop controller.
Other scope info can be found at http://10.105.0.120/.