Is "--half-duplex" the default setting used by cast-o-matic images? I tried adding "--full-duplex" to the "Additional Udpcast command-line parameters" field of the current "Cast-o-matic Stage 2" configuration page, but I get the error "unrecognized option '--full-duplex'". (Note: '--full-duplex' was entered as the first of two command-line parameters.)