# 4.5. Use the S.bus port to control

#### 4.5.1. Use the S.bus port to control the camera.

<figure><img src="https://1851866520-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIWx9bMxy88NRLPUcOemU%2Fuploads%2FPHMjdi8b2ub9wI6oPmFo%2Fimage.png?alt=media&#x26;token=7cdb9447-b4fc-4694-9dfb-d3e3cc884117" alt=""><figcaption></figcaption></figure>

#### 4.5.2. After the connection is completed, you can use ETH or TTL to connect to a computer for image&#xD; output and configure the control channels on the YDlink App.

{% hint style="success" %}
Click <mark style="color:blue;">**"Setup"**</mark> to open the <mark style="color:blue;">**"RC"**</mark> interface, then click <mark style="color:blue;">**"Refresh"**</mark> to refresh the interface and
&#x20;select the corresponding channel as needed. After completion, click <mark style="color:blue;">**"Save"**</mark> to save the settings.
{% endhint %}

<figure><img src="https://1851866520-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIWx9bMxy88NRLPUcOemU%2Fuploads%2Fql1jUWMQaUK5JKTz86j7%2Fimage.png?alt=media&#x26;token=9fc377b6-1949-4886-8d18-0c6dd31bbb7f" alt=""><figcaption></figcaption></figure>