| 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} |