Alxum DT269W-D USB-C Wireless HDMI Transmitter & Receiver Instruction Manual

1. Introduction

The Alxum DT269W-D USB-C Wireless HDMI Transmitter & Receiver kit provides a versatile solution for wirelessly displaying content from your USB-C enabled devices to a larger screen. This 2-in-1 system supports both direct point-to-point connections and receiver-only casting via AirPlay or Miracast, offering flexibility for various presentation and entertainment needs. Enjoy stable 1080P@60Hz output with 4K decode capability over distances up to 165 feet (50 meters) in open spaces.

2. Contenu de la boîte

• 1 x émetteur (TX)
• Récepteur 1 x (RX)
• 1 x USB-C to USB-A Power Cable

Image: The Alxum USB-C Wireless HDMI Transmitter (TX) and Receiver (RX) units, along with the USB-C power cable, as packaged in the box.

3. Principales caractéristiques

• Polyvalence 2 en 1 : Supports both direct point-to-point connection (TX+RX) for stability and receiver-only casting (RX only) via AirPlay or Miracast for convenience.
• Prêt à l'emploi : For devices with a full-function USB-C port (DisplayPort Alt Mode support), simply plug in the transmitter and receiver. No drivers, Wi-Fi, or Bluetooth pairing required in direct connection mode.
• Stable 165ft Range: Advanced dual-band (5G+2.4G) technology ensures a strong, anti-interference signal for transmission up to 165 feet (50 meters) in open spaces.
• Crystal Clear 1080P@60Hz Output: Delivers smooth 1080P@60Hz HD video and audio, with 4K decode capability.
• Conception réfléchie : Transmitter features a side-positioned USB-C port to avoid blocking adjacent ports. Includes a one-tap privacy button to instantly blank the public screen.
• Dual Productivity Modes: Easily mirror your screen for presentations or extend it for a dual-monitor setup.
• Portable: Compact and lightweight design for easy transport and setup in various environments.

4. Instructions de configuration

4.1 Direct Connect Mode (TX + RX)

This mode provides the most stable connection and is ideal for presentations and video streaming where minimal latency is desired. No software installation or network configuration is required.

1. Connectez le récepteur (RX) : Plug the HDMI end of the Receiver (RX) into an available HDMI port on your display (TV, monitor, or projector).
2. Alimentez le récepteur (RX) : Connect the provided USB-C to USB-A power cable to the USB-C port on the RX unit and plug the USB-A end into a 5V/2A power source (e.g., a USB port on your TV/monitor or a USB wall adapter). Ensure the RX unit powers on.
3. Connectez l'émetteur (TX) : Plug the USB-C end of the Transmitter (TX) into the full-function USB-C port of your source device (laptop, smartphone, or tablet). Your source device must support DisplayPort Alt Mode for video output.
4. Connexion automatique : Wait a few seconds for the devices to establish a stable connection. Your display should automatically show the mirrored or extended screen from your source device.

Image: Visual guide for connecting the Alxum Wireless HDMI Receiver to a TV's HDMI port and power, and the Transmitter to a laptop's USB-C port.

4.2 Receiver-Only Casting Mode (RX only)

If your source device does not have a full-function USB-C port, or for ultimate convenience, you can use the Receiver (RX) alone to cast wirelessly via AirPlay (for Apple devices) or Miracast (for Android/Windows devices). Note: This mode does NOT work with Google Cast.

1. Connect and Power the Receiver (RX): Follow steps 1 and 2 from the "Direct Connect Mode" above to connect and power the RX unit.
2. Sélectionnez Entrée : Ensure your display is set to the correct HDMI input where the RX is connected. The RX will display instructions for AirPlay/Miracast connection.
3. Initiate Casting from Source Device:
   • For Apple iPhone/iPad: Swipe down to open Control Center, tap "Screen Mirroring," and select your receiver (e.g., "UniMirrorLite-XXXX"). Enter the AirPlay Code shown on your TV screen if prompted.
   • Pour téléphone Android : Swipe down to open the Quick Settings panel, tap "Smart View" / "Cast" / "Wireless display," and select your receiver (e.g., "UniMirrorLite-XXXX").
   • For Apple Mac: Click the Control Center icon in the menu bar, click "Screen Mirroring," select your receiver, and enter the AirPlay Code if prompted.
   • For Windows 10 or above: Press the Windows key + K on your keyboard. From the "Cast" panel, select your receiver.

Image: Step-by-step guide for connecting Apple iPhone, Android phone, Apple Mac, and Windows 10+ devices to the receiver in Receiver-Only Mode.

5. Modes de fonctionnement

The Alxum DT269W-D supports two primary display modes:

• Mode miroir : Duplicates your device's screen onto the external display. Ideal for presentations or sharing content with an audience.
• Mode étendu : Extends your device's screen, allowing the external display to act as an additional desktop. This is useful for multitasking and increasinproductivité g.

Image: Illustration showing a laptop screen being mirrored and extended onto an external display using the wireless system.

Bouton de confidentialité

The Transmitter (TX) unit features a privacy button. A single press of this button will instantly blank the external display, providing privacy during sensitive moments or when you need to temporarily hide your screen content.

Image: Close-up of the Alxum Transmitter (TX) showing its side-plug design and the privacy button for instant screen blanking.

6. Compatibilité

The Alxum DT269W-D is designed for broad compatibility with various devices and displays:

• Compatibilité de l'émetteur (TX) :
  • Smartphones, Laptops, Tablets with a full-function USB-C port (supporting DisplayPort Alt Mode).
• Compatibilité du récepteur (RX) :
  • Monitors, TVs, Projectors with an HDMI input.
• Wireless Casting (RX Only):
  • Apple devices (iPhone, iPad, Mac) via AirPlay.
  • Android phones and Windows laptops via Miracast.
  • Note: Does NOT support Google Cast.

Image: Diagram illustrating the compatibility of the Alxum Transmitter (TX) with USB-C devices and the Receiver (RX) with HDMI displays, including support for AirPlay and Miracast.

7. Spécifications techniques

8. Dépannage

• Aucun signal affiché :
  • Ensure both TX and RX units are properly connected and powered.
  • Verify the display is set to the correct HDMI input.
  • For Direct Connect Mode, confirm your source device's USB-C port supports DisplayPort Alt Mode.
  • Try pressing the "Reset" button on the RX unit.
• Connexion intermittente ou latence :
  • Réduisez la distance entre les unités TX et RX.
  • Ensure there are no significant obstructions (thick walls, metal objects) between the units.
  • Minimize other wireless interference sources (e.g., other 5G/2.4G devices).
  • Ensure the RX unit is receiving adequate power (use a dedicated 5V/2A adapter if TV USB port is insufficient).
• Pas d'audio :
  • Check audio settings on your source device and the connected display.
  • Vérifiez que le volume n'est pas coupé sur aucun des deux appareils.
• Receiver-Only Casting Issues:
  • Confirm your device supports AirPlay or Miracast (not Google Cast).
  • Ensure your device and the RX unit are on the same Wi-Fi network (if required by your device's casting method).
  • Restart your source device and the RX unit.

9. Entretien

To ensure the longevity and optimal performance of your Alxum Wireless HDMI Transmitter & Receiver, follow these simple maintenance guidelines:

• Nettoyage: Use a soft, dry cloth to clean the exterior of the units. Avoid using liquid cleaners or aerosols, which may damage the components.
• Stockage: When not in use, store the units in a cool, dry place away from direct sunlight and extreme temperatures. Use the protective cap for the HDMI connector on the RX unit to prevent dust accumulation.
• Manutention: Manipulez les appareils avec précaution. Évitez de les faire tomber ou de les soumettre à des chocs violents.
• Pouvoir: Always use the provided USB power cable or a compatible 5V/2A power source for the receiver.

10. Garantie et assistance

Alxum products are designed for reliability and performance. For any questions, technical assistance, or warranty claims, please contact Alxum customer support.

• Service client: Alxum offers 24-hour customer service.
• Return or Exchange: Products are eligible for return or exchange within 24 months of purchase.
• Support technique : Ce produit bénéficie d'une assistance technique à vie.

Image: Graphic detailing Alxum's after-sale service, including 24-hour customer service, 24-month return/exchange, and lifetime technical support.