+.B set\-volume \fBLEFT\fR \fBRIGHT\fR
+Set the volume.
+.TP
+.B setup\-guest \fR[\fB\-\-no\-online\-registration\fR]
+Create the "guest" user for use by the web interface.
+This user will have no password and will only have the "read" and
+"register" rights, the latter allowing new users to automatically
+register themselves via the web interface.
+.IP
+With the option \fB\-\-no-online\-registration\fR, the "register" right is
+suppressed and users must be manually created by an administrator.
+.IP
+If online registration is desired then \fBmail_sender\fR must be set in the
+configuration file.
+See \fBdisorder_config\fR(5).