; cas_offs.sfa - Thomas G. Ferguson, Abrams Planetarium, March 2002
; This file erases the artwork for CAS.

0:00 buttons 9,8 play ./cas_ons
     buttons 9,8 label 'CAS   stkO'
     declare global casstk
     adjust casstk brightness 0 /until +2
0:02 erase stellar casstk
     end