# Video Settings

In this section, it allows users to change video settings for the live view. Please see below for an explanation of them:

### Aspect Ratio

This button allows users to switch the display aspect ration in its set resolution.

* 1X: Original size of the stream in its set resolution;
* 4:3: To show the stream in 4:3 ratio;
* 16:9 To show the stream in 16:9 ration;
* Stretch: Stretch the stream to cover the entire window;

![Aspect Ratio](/files/-MSB818pPd0i6OUSTQd7)

### Main/Sub Stream Switch

This button allows users to switch the stream type in the live view.

![Main/Sub Stream](/files/-MSB8py4V6NbGiFZWZlZ)

{% hint style="info" %}
:man\_mage: **Tips**: 1: Main Stream, 2: Sub Stream
{% endhint %}

### Alarm Output

The signal light to show if there is alarm. This icon flashes RED if there is alarm like motion detection etc.

![](/files/-MSB9D2LG32YKlk_iyeb)


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