Originally Posted by Andre De Clercq

I don't think so Stephen. There is only an Y/C connection which is unidirectional. My GS 400 e.g. has a code on line 23 on the analog Y signal when it plays back anamorphic video. This code is being interpreted by my TV and switches it to "full". Unfortunately I cannot insert the (standarized) code for letterbox video. Broadcaster do though,