# How to Measure with Cross-cut Module

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### How to measure Cross-cut Adhesion

1. **Activate Interactive Measurement**
    
    - Press the interactive measurement button.  
        ![image description](../_images/1770390197104-20260206-150251-screenshot-ae.png)
2. **Optimize Camera Exposure**
    
    - Use the **Auto-Exposure** button (1) to optimise the camera exposure for the surface's reflectivity.
    - If necessary, manually adjust the exposure using the slider. (2).  
        ![image description](../_images/1771336191176-mt3KTaUDVn.png)
3. **Choose Automatic or Manual Mode (1)**
    

In **auto mode** AE detects the cuts, draws the virtual grid and calculates the amount of removed coating.

For irregular grids or tricky applications, the user can use **manual mode** to select the corners of the cross cut grid.

![image description](../_images/1771336385711-7E8WZCSRGp.png)