# Sidebar Menu

**The toolbar on the left side** of **the control panel** mainly includes functions for managing and adjusting the quality of the device.

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/GfEZvrezHKIBD3BHLLCl/image.png" alt=""><figcaption><p>Sidebar Interface</p></figcaption></figure>

### 1, Adjust Device Quality

* **Big Screen:** Adjust the size of a device's stream screen as desired. The minimum screen size is 40%, and the maximum is 100%.

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/xL5CqF3B5VhDwKbtF8VA/image.png" alt=""><figcaption><p>Device View Screen at 70%</p></figcaption></figure>

* **Small Screen:** Adjust the size of the device in a small format within Control Devices. The available sizes for adjustment are: Thumbnail, Medium, Large, and Extra Large.

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/Tlds75T1LxqaV74jzk1A/image.png" alt=""><figcaption><p>Device View Screen at Thumbnail size</p></figcaption></figure>

* **Big Quality:** Adjust the image quality of a device's stream. The available levels for adjustment are: Low, Medium, High, and Extra (recommended for the best experience).

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/pzuA6in6Js8fZEz1CcLx/image.png" alt=""><figcaption><p>Phone Image Quality When Streaming at Extra Level</p></figcaption></figure>

* **Small Quality:** Adjust the image quality of the phone screen in the overview screen. The available levels for adjustment are: Low, Medium, High, and Extra.

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/FRs3yJhK2wrHMSM5AaoD/image.png" alt=""><figcaption><p>Phone Image Quality When Streaming at Medium</p></figcaption></figure>

### 2, **Device Management**

* **Select all:** Choose all devices to perform tasks such as installing APKs, stopping tasks, etc.
* **Select device:** Choose individual devices to perform tasks.

<figure><img src="https://content.gitbook.com/content/7JJxETkZAGywbrUL9WJl/blobs/3fS5vURCk6t9dSCUQTkD/image.png" alt=""><figcaption><p>Select all devices except device number 7</p></figcaption></figure>

{% hint style="info" %}
To deselect a device when Select all is active, you can use the Ctrl + Click combination on the device you want to exclude!
{% endhint %}
