## Units of Measurement (Units)

Configuration of measurement units, input/output masks, and time.

### Navigation
| Menu Path |
|-------------|
| {{ menu }} → {{ settings }} → System → Units |

![Units of measurement](images/units.png)

| № | Element | Description |
|---|---------|----------|
| **1** | **Units** | Select distance and speed units. |
| **2** | **Local time** | Local time display. |
| **3** | **Time from sensor** | Time from the positioning sensor (UTC). |
| **4** | **Synchronize by sensor** | Force time synchronization from the sensor. |
| **5** | **Synchronize if diff. > 5s** | Automatic synchronization when the difference exceeds 5 seconds. |
| **6** | **Time zone** | Time zone. |
| **7** | **Date format** | Date format. |
| **8** | **Change** | Select the time zone. |

```{tip}
It is recommended to enable the *Sync by sensor if diff > 5 s* checkbox to synchronize the ECDIS time with the ship's time source.
```
