+.B \-erase\-speed \fIusecs\fP
+This controls the speed at which the screen will be erased. Lower numbers
+erase faster.
+.TP 8
+.B \-erase\-mode \fIinteger\fP
+This sets the erase mode. Mode \-1 chooses a random mode each time. There
+are currently 6 modes defined (0\-5).
+.TP 8
+.B \-delay \fIseconds\fP
+This sets the number of seconds that the helix will be on the screen.
+.TP 8