# Display Configuration

This document mainly introduces the various system configuration methods for the **Quectel Pi M1 / L1** smart main control board running the **Android** operating system.

The **Quectel Pi M1 / L1** smart main control board provides HDMI and MIPI display interfaces. The HDMI interface supports hot-plug functionality, while the MIPI interface does not support this feature.

```{image} images/image_AU1RblwH4o6RXzxQA5vc0NWpn4e.webp
:width: 821px
:height: 491px
```

# Screen Rotation

Use the ADB tool to execute the following commands to rotate the screen:

```shell
adb root    #Switch to root user
adb shell setprop persist.panel.orientation 90  #Rotate the screen by 90 degrees
adb reboot     #Reboot
```

# Adjust DPI Size

Use the ADB tool to execute the following commands to adjust the screen DPI:

```shell
adb shell wm density   #Check current DPI size
adb shell wm density 320  #Set to 320 DPI
adb shell wm density reset    #Restore default DPI
```

For display configuration details, please refer to the [MIPI](<../../../User Guide/Display/MIPI/MIPI.md>) and [Micro HDMI](<../../../User Guide/Display/Micro HDMI/Micro HDMI.md>) chapters.

# Audio Settings

The audio interfaces supported by the **Quectel Pi M1 / L1** include **headset**.

```{image} images/image_Gt8PbcMQMoARCSxub23cRnQDn4d.webp
:width: 856px
:height: 486px
```

## Audio Parameter Settings

1. Swipe up from the desktop to enter the menu interface and open "**Settings**";

```{image} images/image_PSRQb82xHoe7RjxEQp1czVqinVf.webp
:width: 856px
:height: 480px
```

  
2. Click the "**Sound & Vibration**" tab to configure settings.

```{image} images/image_AQYWbGB4Io1Gj7xI6UbcJ3UVnme.webp
:width: 856px
:height: 480px
```

# Network Settings

This section introduces the network interfaces and configuration methods of the **Quectel Pi M1 / L1**.

```{image} images/image_VOazbKtEiooChYxgKgLcC7pYn4c.webp
:width: 821px
:height: 491px
```

## Wi-Fi Network

### Preparation

Prepare a Wi-Fi hotspot that can connect to the internet.

### Software Configuration

1.On the **Android** desktop, swipe down to open the status bar and click the arrow on the right side of **Wi-Fi**;

```{image} images/image_R9Gib0riXo0J2bxwV3qcls4Tnbc.webp
:width: 856px
:height: 480px
```

  
2. Click "**All**" and select the wireless network you want to connect to;

```{image} images/image_GksobEY1BolwcsxBOCQcs0SJnJb.webp
:width: 856px
:height: 480px
```

3. After a successful connection, a Wi-Fi connection icon will appear in the top-right corner of the screen.

```{image} images/image_M2RHbwFYbo2F6JxHPxxcx9JonAc.webp
:width: 856px
:height: 482px
```

### Query Network Information

Click the options button on the right side of the connected wireless network to view related network information.

```{image} images/image_HRjRb6R6gozvwoxoTZtcOZngnUh.webp
:width: 856px
:height: 480px
```

```{image} images/image_TH4TbKuavo6B1qxI79rcbsOSnTf.webp
:width: 856px
:height: 480px
:align: center
```