| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
| 24 | DF | OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION {3} |
| 25 | DF | .~ Dictation or transcribing {3} |
| 27 | ![]() | .~.~ With access to or marking of specified location (e.g., indexing) {1} |
| 28 | DF | .~.~.~> By stored additional signal (e.g., tone) |