348 / | HD | TELEVISION |
500 | DF | SYNCHRONIZATION {11} |
536 | DF | .~ Automatic phase or frequency control {4} |
540 | DF | .~.~ Horizontal sync component {3} |
542 | .~.~.~ Plural distinct operating modes {2} | |
543 | DF | .~.~.~.~> Line rates |
544 | DF | .~.~.~.~> Locking rates {1} |