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Using Custom Axis Labels
You can elect to use custom labels on the Y axis of select chart types. This gives you greater control over how your axis will appear. For example, consider the following wind direction chart:

Note the labels on the Y axis connoting direction. In this case, the data being plotted are compass directions in degrees (0-360).
To change the Y axis labels, go into the device settings and tick the Y axis controls group if it's not already displayed.

In this instance, we want five marks on the Y axis to represent compass degree direction values of 0, 90, 180, 270, and 360. Add corresponding custom labels int the 'Tick Labels' field. Note that the number of tick labels and the number of tick locations must be equal in order for them to display properly. It's also best for the tick location data to be within the expected range of the data to be charted.
| Label | Location |
|---|---|
| N | 360 |
| W | 270 |
| S | 180 |
| E | 90 |
| N | 0 |
You can also use this feature to force your charts to display Y axis values in a preferred way. For example, for a relative humidity chart, you might set the Y axis min/max to be 0 - 100 but maybe you only want four Y axis labels:
| Label | Location |
|---|---|
| 25 | 25 |
| 50 | 50 |
| 75 | 75 |
| 100 | 100 |
or add units:
| Label | Location |
|---|---|
| 25% | 25 |
| 50% | 50 |
| 75% | 75 |
| 100% | 100 |
Copyright DaveL17 2026 This plugin is distributed under the MIT license; however the author reserves the right to change the license at any time.