---
title: "Operating several XLC4 control units"
slug: "operating-several-xlc4-control-units"
updated: 2024-07-03T10:21:12Z
published: 2024-07-04T11:12:08Z
canonical: "docs-linescan.alliedvision.com/operating-several-xlc4-control-units"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs-linescan.alliedvision.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Operating several XLC4 control units

Every XLC4 control unit is displayed in a single tab.

## Adding a tab

1. Click **System Control**.
2. Click **Add XLC4 unit**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(39).png)

**OR**

Click the tolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(40).png)

## Removing a tab

1. Click on the tab that you want to remove.
2. Click **System Control**.
3. Click **Remove XLC4 unit**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(39).png)

**OR**

Click the tolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(42).png)