| Acronym | Meaning |
| V/M | Velocity Meter |
| PDM | Pulse Duration Modulation |
| TCS | Test Control System |
| LR/LD | Line Receiver/Line Driver |
| MTBMA | Mean Time Between Maintenance Action |
| SLI | ERNO Spacelab Integration And Test |
| LVL | Level |
| SCHEM | Schematics |
| DAC | Data Acquisition And Control |
| COQ | Certificate Of Qualification |