; meridian_off.sfa - Thomas G. Ferguson, Abrams Planetarium, March 2002
; This file erases the standard meridian.

0:00 buttons 2,10 play ./meridian_on
     buttons 2,10 label 'Meridn   On'
     declare global meridian
     adjust meridian brightness 0 /until +2
0:02 erase obstinate meridian
     end