| Acronym | Meaning |
| ABEC | Analog Backup Engine Control |
| DAMA | Demand Assigned Multiple Access (uhf Satellite) |
| OSIP | Operational Safety & Improvement Program |
| DTE | Data Transfer Equipment |
| FSK | Frequency Shift Keying |
| MBIT | Maintenance Built-in Test |
| SDLM | Scheduled Depot Level Maintenance |
| HZ | Hertz |
| A/C | Air Conditioner |
| ISM | Input Signal Management |