714 / | HD | ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY |
FOR 151 | DF | DIGITAL DATA ERROR CORRECTION (371/30) {5} |
FOR 157 | DF | .~ Forward correction by block code (371/37.01) {18} |
FOR 158 | .~.~ Double error correcting with single error correcting code (371/37.2) |