BrightSign HD2000 Object Reference Manual - Manual (Page 57)

t.PushString("Update complete - remove USB drive to restart.")
wait:
sleep(1000)
usb_key = CreateObject("roReadFile", "USB1:/autorun.zip")
if type(usb_key) <> "roReadFile" then
a=RebootSystem()
endif
usb_key = 0
goto wait
57