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) |