| Acronym | Meaning |
| EM | Exception Monitor |
| LOS | Loss Of Sync |
| TMU | Temperature Measurement Unit |
| LCHTF | LowCYcle High Temperature Fatigue |
| ETA | Estimated Time To Acquisition |
| MAD | Maintenance Analysis Data |
| CDW | Command Data Word |
| GOE | GrGOEGround Operating EquiPMent |
| PSI | Power Static Inverter |
| CCL | Configuration Control Logic |