> For the complete documentation index, see [llms.txt](https://support.onegiantleap.co.nz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.onegiantleap.co.nz/kayak/configure-your-power-meter/blade-tip-to-datum-distances.md).

# Left blade tip to LED distance

## Step 1. Measure the distance from the left blade tip to the LED

* Attach the tape measure to the tip of the **left blade** (as shown below).

![](/files/-LAKe6fE3yTp5yzYlV5h)

* Measure the distance from the left blade tip to the center of the LED.
* In the example image below the measurement is 1062 mm.

<figure><img src="/files/vdLqhCEIMXDxeXYGfFVT" alt=""><figcaption></figcaption></figure>

## Step 2. Enter the distances into the 'Left blade tip to LED distance' setting

<figure><img src="/files/mjvdZLsdIfF3Y4ge43Fo" alt=""><figcaption><p>Ensure the distance is entered in millimeters and not centimeters</p></figcaption></figure>