1. Introduction
The ACECONN Diamond Pro TVONAIR3 is an advanced 8K Streaming Box designed to elevate your home entertainment experience. Powered by an Amlogic S905X4 quad-core processor and running on Android 11, this device offers seamless streaming, gaming, and app usage. With support for 8K resolution at 60Hz, AV1 codec, WiFi 6, and Bluetooth 5.0, it delivers high-quality audio and video performance. This manual provides essential information for setting up, operating, and maintaining your Diamond Pro TVONAIR3 streaming box.

2. Package Contents
Please check the box for the following items:
- Diamond Pro TV Box (x1)
- HDTV Cable (x1)
- Remote Control Unit (RCU) (x1)
- Power Adaptor (x1)
- Quick User Guide (x1)
- User Manual (x1)

3. Product Overview
3.1 Device Layout
The Diamond Pro TV Box features a sleek design with various ports for connectivity.

- Power Port: Connects to the power adapter.
- Ethernet Port (LAN): For wired network connection.
- HDMI Port: Connects to your TV for video and audio output.
- S/PDIF Port: For digital audio output.
- IR Port: For infrared remote control receiver.
- USB Ports (1x USB 2.0, 1x USB 3.0): For connecting external storage or peripherals.
- TF Card Slot: For expanding storage with a TF card (up to 128GB).
- RECOVERY (RESET) Button: Used for system recovery or factory reset.
3.2 Remote Control Unit (RCU)
The included Bluetooth remote control features voice search, an air mouse function, Google Assistant integration, and auto TV learning capabilities for convenient navigation and control.

- TV Power On/Off: Controls your TV's power.
- STB Power On/Off: Controls the streaming box's power.
- OK key for TV / TV Source: Selects input source on TV.
- TV Volume +/-: Adjusts TV volume.
- Number Keys (0-9): For direct input.
- Mouse: Activates air mouse function.
- Options: Accesses additional options.
- Color Keys: Functionality may vary by application.
- Information (Info): Displays program information.
- Guide: Opens TV Guide.
- Up/Down/Left/Right: Navigation keys.
- Confirm/Select (OK): Confirms selection.
- Exit: Exits current menu/application.
- Menu: Opens menu.
- Home: Returns to the home screen.
- Volume +/-: Adjusts box volume.
- Page Up/Down: Scrolls pages.
- Channel Up/Down: Changes channels.
- Hot Keys: Customizable shortcut keys.
- Voice Assistant: Activates Google Assistant for voice commands.
- Play/Pause: Media playback control.
- Record: Initiates recording.
- Setup Favorite: Sets favorite channels/apps.
- Search: Opens search function.
4. Setup Instructions
Follow these steps to set up your ACECONN Diamond Pro TVONAIR3 streaming box:
- Connect to TV: Connect one end of the provided HDMI cable to the HDMI port on the streaming box and the other end to an available HDMI input on your television. Alternatively, use an AV cable if your TV supports it.
- Connect to Network (Optional): For a wired connection, connect an Ethernet cable from your router to the Ethernet port on the streaming box. For wireless connection, you will configure Wi-Fi after initial boot-up.
- Connect Power: Plug the power adapter into the DC Power Port on the streaming box, then plug the adapter into a wall outlet.
- Power On: Turn on your television and select the correct HDMI input source using your TV remote. The streaming box should automatically power on and display the boot-up screen.
- Initial Setup: Follow the on-screen instructions to complete the initial setup, including language selection, Wi-Fi connection (if not using Ethernet), and Google account login.

5. Operating Instructions
5.1 Basic Navigation
Use the directional pad (Up/Down/Left/Right) and the OK button on your remote control to navigate through the Android TV interface. The Home button will always return you to the main screen.
5.2 Voice Control
Press the Voice Assistant button on your remote to activate Google Assistant. Speak clearly into the remote to search for content, open apps, get information, or control smart home devices.
5.3 App Management
The device comes with pre-installed apps. You can download more applications from the Google Play Store. To manage apps, go to Settings > Apps. Here you can uninstall, force stop, or clear data for applications.
5.4 OTA Updates
The Diamond Pro TVONAIR3 supports Over-The-Air (OTA) updates to ensure your device always has the latest features and security patches. You can check for updates in the Settings menu.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | ACECONN |
| Category | Set Top Box |
| OS | Android 11.0 |
| CPU | Amlogic S905X4 Quad-core 64-bit |
| Memory | 2 GB DDR4 |
| Internal Storage | 32GB eMMC |
| Max. Extended Capacity | TF Card Up To 128GB |
| Wireless | Yes (WiFi 6) |
| Ethernet | 100M |
| Bluetooth | 5.0 |
| Max Output | 8K @ 60 Hz |
| Video Output | HDMI-Compatible 2.1 |
| Audio Output | Audio line out, S/PDIF |
| USB Ports | 1x USB 2.0, 1x USB 3.0 |
| Video Code | H.265/HEVC, VP9, AV1 |
| HDR Standards | HDR10 |
| Audio | DTS |
| IPTV | Yes |
| Remote controller included | Yes (Voice Remote Control) |
| Power Source | DC 5V, 2A |
| Power consumption | 24W |
| Weight | 700g |
| Certification | CE |
7. Troubleshooting
If you encounter issues with your Diamond Pro TVONAIR3, refer to the following common problems and solutions:
7.1 No Power
- Ensure the power adapter is securely connected to the device and a working power outlet.
- Try a different power outlet.
7.2 No Signal on TV
- Verify that the HDMI cable is securely connected to both the TV box and the TV.
- Ensure your TV is set to the correct HDMI input source.
- Try a different HDMI port on your TV or a different HDMI cable.
7.3 Remote Control Not Responding
- Check the batteries in the remote control and replace them if necessary.
- Ensure there are no obstructions between the remote and the TV box.
- If it's a Bluetooth remote, ensure it's paired correctly. Refer to the device settings for Bluetooth pairing instructions.
7.4 Network Connection Issues
- Wired (Ethernet): Ensure the Ethernet cable is properly connected to both the box and your router. Check your router's status.
- Wireless (Wi-Fi): Go to Settings > Network & Internet and ensure Wi-Fi is enabled and connected to the correct network. Re-enter the Wi-Fi password if needed.
- Restart your router and the TV box.
7.5 Apps Crashing or Freezing
- Close and reopen the app.
- Clear the app's cache and data via Settings > Apps.
- Ensure the device's firmware is up to date via OTA updates.
8. User Tips
- Optimize Wi-Fi: For the best streaming experience, especially with 4K/8K content, ensure your Wi-Fi router is placed optimally and consider using the 5GHz band if available, or a wired Ethernet connection.
- Regular Updates: Periodically check for system updates (OTA updates) to ensure your device has the latest performance enhancements and security features.
- Storage Management: While the device has 32GB internal storage, consider using a TF card (up to 128GB) for additional storage if you plan to download many apps or media files.
- Voice Remote Efficiency: Familiarize yourself with the voice command capabilities of the remote for quick searches and navigation.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact ACECONN customer support directly. Keep your proof of purchase for warranty claims.



