> ## Documentation Index
> Fetch the complete documentation index at: https://cxdocs.planpoint.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Viewport and starting view

> Preview a screen at its real size and save what it shows when it opens.

In **Touchscreens > Edit positions**, select a screen and choose **Viewport and starting view**.

**1. Enter the screen size**

Enter **Width (px)** and **Height (px)** of the screen, such as 1080 x 1920 for a portrait screen, and choose **Apply size**.

**2. Frame the map**

Zoom and move the map until the important area and the screen's position are visible.

**3. Keep the view**

Choose **Use this view**, then **Save** in the position editor. **Use this view** alone does not save.

**4. Check it**

Open the screen's **Preview**, and later check on the real screen.

To let CX fit the map by itself again, choose **Automatic starting view** and **Save**.

> [!TIP]
>
> Use the size the browser actually shows on the screen. Display scaling can make it different from the screen's advertised resolution.


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