| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
| 176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
| 178 | DF | .~ Access of multiple storage elements (e.g., record changer) {14} |
| 202 | ![]() | .~.~ Discs sequentially fed to turntable {3} |
| 203 | DF | .~.~.~> Tone arm set down adjustment |
| 204 | DF | .~.~.~> By edge controlled feeding of disc {1} |
| 206 | DF | .~.~.~> By center hold feeding of disc (e.g., spindle drop) {2} |