> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pads4.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Tableaux 4000

This manual provides step-by-step instructions for installing and configuring **PADS4 Viewer** on Philips ePaper displays, specifically for model:

* **25BDL4150I**

## **1. First-Time Use**

Before proceeding, ensure that the **`LauncherServiceViewer.zip`** file is located at:

```
http://pads4serverip/PADS4/apps/
```

📌 For additional documentation, visit the [Philips Dropbox site](https://www.markdownguide.org/), navigate to **"Models"** in the bottom left, and select the relevant display model.

***

### **1.1 Resetting the Device**

If the display was previously used, perform a **factory reset** to avoid configuration conflicts.

<Steps>
  <Step title="Step One">
    Press and hold the **universal + hidden key** on the display for \~3 seconds.
  </Step>

  <Step title="Step Two">
    The **LED** will briefly turn white, then flash green.
  </Step>

  <Step title="Step Three">
    Wait \~3 minutes. When the LED turns blue and prompts for a flash drive, **ignore this message**.
  </Step>
</Steps>

***

### **1.2 Updating the Firmware**

Firmware updates are available via the Philips support site:

📌 **Instructions**:

* Go to the Philips Dropbox
* Click on **Models → Select Model → Open Instructions Manual**
* (Use right-click and open in a new tab if needed)

***

### **1.3 Installing scrcpy**

Since these displays lack interactive input, use **scrcpy** to mirror and control the Android interface.

<Steps>
  <Step title="Step One">
    Visit the [scrcpy GitHub page](https://github.com/Genymobile/scrcpy).
  </Step>

  <Step title="Step Two">
    Download the appropriate version (e.g., **Windows 64-bit zip**).
  </Step>

  <Step title="Step Three">
    Extract the contents to your desired location. Ensure both **scrcpy** and **adb** are included.
  </Step>

  <Step title="Step Four">
    Add the folder path to your system's **Environment Variables → Path**.
  </Step>

  <Step title="Step Five">
    Open Command Prompt and verify installation:

    * `scrcpy -v`
    * `adb --version`
  </Step>
</Steps>

***

## **2. Installing the Application**

Ensure **scrcpy** and **adb** are correctly installed.

<Steps>
  <Step title="Step One">
    Connect the **display to PC via USB**.
  </Step>

  <Step title="Step Two">
    Confirm access to the **Android file system** through the file manager.
  </Step>

  <Step title="Step Three">
    Open **Command Prompt**.
  </Step>

  <Step title="Step Four">
    Type `adb devices` to verify the device connection.
  </Step>

  <Step title="Step Five">
    Launch scrcpy with `scrcpy`. If multiple devices are connected, use `scrcpy -s {device-name}`.
  </Step>

  <Step title="Step Six">
    Download the latest **PADS4 Web Launcher APK**.
  </Step>

  <Step title="Step Seven">
    Navigate to the folder containing the **.apk** file.
  </Step>

  <Step title="Step Eight">
    Right-click and select **Open in Terminal**.
  </Step>

  <Step title="Step Nine">
    Install the app with `adb install {application}.apk`. Wait for **Success** confirmation.
  </Step>

  <Step title="Step Ten">
    In the scrcpy window, press **Home**, then launch **PADS4 Web Launcher**.
  </Step>

  <Step title="Step Eleven">
    Enter the appropriate configuration to connect with your **PADS4 environment**.
  </Step>
</Steps>

***

## **3. Supported Features & Limitations**

| **Feature**                | **Details**                                                          |
| -------------------------- | -------------------------------------------------------------------- |
| Display Models             | ✅ Supported                                                          |
| Portrait Mode              | ✅ Supported                                                          |
| Remote Control             | ❌ Not supported (can configure, but remote doesn't work)             |
| HTTPS                      | ✅ Supported                                                          |
| Video                      | ⚠️ Not supported (only first frame shown)                            |
| Images (JPG, PNG, BMP)     | ✅ Supported                                                          |
| GIF                        | ⚠️ Static only                                                       |
| Text, Line, Shape          | ✅ Supported                                                          |
| Scrolling Text             | ⚠️ Unpredictable behavior due to low refresh rate                    |
| Formatted Text             | ✅ Use only minute-based time formatting (avoid seconds)              |
| Flash                      | ❌ Not supported                                                      |
| Table                      | ✅ Supported (frequent changes may cause row visibility issues)       |
| PDF / PowerPoint           | ✅ Only static, first page displayed                                  |
| Interactive Button         | ⚠️ Displayed as static, not interactive                              |
| Web                        | ❌ Not supported                                                      |
| Colors                     | ✅ Supported (limited to ePaper color range)                          |
| Data Providers             | ⚠️ Static data only; updates must exceed refresh rate intervals      |
| Rules, Viewer Variables    | ✅ Supported within refresh rate limits                               |
| Software Updates           | ✅ Supported                                                          |
| Offline Storage, Schedules | ✅ Supported                                                          |
| PADS4 Ctrl Center          | ✅ Supported: Viewer Log, Screenshot, Sync Log, Viewer Settings, etc. |
| Display Management         | ❌ Shutdown, Reboot, Wake-on-LAN, and LED state not supported         |
| Monitoring & Alerts        | ✅ Partial support (e.g., Network status)                             |

***

## **4. General Limitations**

* **Refresh Rate**:
  * 25BDL4150I: \~1 minute
  * 32BDL5150I: \~2 minutes
* **Content Behavior**:
  * Dynamic content can be **displayed as screenshots**.
  * Content should **not update faster than refresh rate**.

***

## **5. Troubleshooting**

| **Problem**                           | **Solution**                                                            |
| ------------------------------------- | ----------------------------------------------------------------------- |
| `adb devices` does not detect display | Unplug both ends of USB, reboot display (hold power 5s), reconnect USB. |
| USB not detected by PC                | Reboot display and reconnect. Try factory reset if issue persists.      |