| Abbreviation | Definition |
|---|---|
| LOC | Loss Of Contrast |
| LOI | Local Operator Interface |
| LOP | Loss Of Power |
| LoRes | Low Resolution |
| LOT | Limit Of Technology |
| Low-Res | Low Resolution |
| LP | long play |
| LPCC | Leadless Plastic Chip Carrier |
| LPD | Laser Projection Display |
| LPM | Local Power Monitor |
| LRC | Longitudinal Redundancy Check |
| LRU | Line Replaceable Unit |
| LS | Laser Servo |
| LS | Left Solenoid |
| LS | Lever Switch |
| LSOH | Low Smoke Zero Halogen |
| LT | Lamp Test |
| LT | LapTop |
| LTP | Logical To Physical |
| LUI | Live User Interface |