public void setFixedAfd(String fixedAfd) {
        this.fixedAfd = fixedAfd;
    }
Complete this field only when afdSignaling is set to FIXED. Enter the AFD value (4 bits) to write on all frames
of the video encode.

@param fixedAfd
       Complete this field only when afdSignaling is set to FIXED. Enter the AFD value (4 bits) to write on all
       frames of the video encode.
@see FixedAfd
aws-java-sdk-medialive/src/main/java/com/amazonaws/services/medialive/model/Mpeg2Settings.java