# 4.5. Use the S.bus port to control

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

<figure><img src="/files/uZAZPRhec7T1S41NtY59" 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="/files/0mQdrDrQn8chs9180nAt" alt=""><figcaption></figcaption></figure>


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