| Acronym | Meaning |
| GML | GeGMLGeneral Measurement Loop |
| T/R | Tape Recorder |
| EEE | Electronic |
| R/C | Remote Control |
| LM | Interface Module |
| BM | Body Mounted |
| SCMP | System Contractor Management Plan |
| PSA | Provisions Stowage Assembly |
| PM | PMADPerformance Monitor Annunciation Driver |
| EDU | Engineering DeveloPment Unit |