| Acronym | Meaning |
| TY | Translation Hand Controller Y-Axis Direction |
| TSSU | Test Signal Switching Unit |
| FTS | Functional Test Specifications |
| NPRV | Nitrogen Pressure Relief Valve |
| FS | Functional Schematic |
| SRS | Specification Revision Sheet |
| RECT | Rectifier |
| PA | Public Address |
| SLV | Space Launch Vehicle |
| TAP | Telemetry Acceptance Pattern |