358 / | HD | FACSIMILE AND STATIC PRESENTATION PROCESSING |
400 | DF | FACSIMILE {17} |
434 | DF | .~ Auxiliary signal {6} |
435 | .~.~ Transmitter and receiver both supply auxiliary signal(s) {1} | |
436 | DF | .~.~.~> Auxiliary signal controls apparatus at both transmitter and receiver |