| Acronym | Meaning |
| LM | Interface Module |
| MCIU | Manipulator Controller Interface Unit |
| MCDU | Multifunction CRT Display Unit |
| M&R | Maintenance And Refurbishment |
| EQL | Equal |
| SKD | Singer |
| D | LSC DLTRData Link Terminal Repeater |
| ITRDS | Integrated Test Requirements Documents |
| CONTR | Control |
| SFT | Simulated Flight Test |