1. Introduction
This manual provides detailed instructions for the Accsoon CineView Master 4K Wireless Video Transmission System. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the product.
2. Package Contents
Verify that all items listed below are included in your package:
- Accsoon CineView Master 4K Transmitter (x1)
- Accsoon CineView Master 4K Receiver (x1)
- Cold Shoe Adapter (x2)
- USB-C to USB-C Cable (x1)
- USB-C to Lightning Cable (x1)
- L-Shape Wrench (x1)
- User Manual (x1)
3. Product Overview
The Accsoon CineView Master 4K system is designed for professional wireless video transmission, supporting 4K UHD video with low latency and extended range. It features a robust design and advanced processing capabilities.

Figure 3.1: Accsoon CineView Master 4K Transmitter and Receiver units shown side-by-side, highlighting their compact design and multiple antennas for stable signal transmission.

Figure 3.2: Front view of the Accsoon CineView Master 4K Transmitter, displaying the screen interface and control buttons. The unit is equipped with four antennas for enhanced signal strength.
Key Features:
- 4K UHD Video Transmission: Supports video input/output up to 3840x2160 at 24/25/30/50/60 fps via HDMI, and 1080P via SDI/HDMI.
- Tri-Band Connectivity: Integrates 2.4GHz, 5GHz, and 6GHz frequencies for stable and reliable transmission up to 2.5 km (8202 ft).
- Ultra-Low Latency: Achieves less than 25ms latency for 1080P and less than 35ms for 4K video.
- 8K A/V Processor: Equipped with an advanced processor for powerful performance and multi-stream transmission.
- Multiple Connections: Supports up to 4 wireless connections and 1 wired connection for monitoring on iOS and Android devices.
- Robust Construction: Aircraft-grade aluminum alloy housing with intelligent heat dissipation (Standard, Quiet, Off modes).
4. Setup Instructions
- Attach Antennas: Screw all antennas firmly onto the transmitter and receiver units. Ensure they are oriented vertically for optimal signal.
- Mounting: Use the provided cold shoe adapters to mount the transmitter to your camera rig and the receiver to your monitoring setup.
- Power Connection: Connect a compatible power source (e.g., NP-F battery or DC input) to both the transmitter and receiver units.
- Video Input/Output:
- Connect your camera's HDMI or SDI output to the transmitter's corresponding input port.
- Connect the receiver's HDMI or SDI output to your monitor or recording device.
- Power On: Press and hold the power button on both the transmitter and receiver until their screens illuminate.
- Pairing (if necessary): The units should automatically pair. If not, refer to the on-screen menu for manual pairing options.
5. Operating Instructions
5.1 Basic Operation
- Channel Selection: Use the control buttons to navigate the on-screen menu and select an optimal transmission channel. The system supports 2.4GHz, 5GHz, and 6GHz bands.
- Signal Monitoring: The display on both units will show signal strength, battery status, and current video format.
- Video Output: Ensure your monitor is set to the correct input source (HDMI/SDI) to receive the video feed from the receiver.
5.2 Mobile Device Monitoring
The CineView Master 4K supports monitoring on iOS and Android devices via the Accsoon companion app.
- Download App: Download the official Accsoon app from your device's app store.
- Connect Wirelessly:
- On your mobile device, connect to the Wi-Fi network broadcast by the CineView Master 4K transmitter. The network name and password will be displayed on the transmitter's screen.
- Open the Accsoon app and select your transmitter from the list of available devices.
- Connect Wired (iOS only):
- Use the provided USB-C to Lightning cable to connect your iOS device directly to the transmitter's USB-C port.
- Open the Accsoon app. The wired connection should be automatically detected.
- Multi-Device Monitoring: The system supports up to 4 wireless connections and 1 wired connection simultaneously.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid using liquid cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Heat Dissipation: The system features intelligent heat dissipation. You can select from three cooling modes via the menu:
- Standard: Default cooling for general use.
- Quiet: Reduces fan noise for sound-sensitive environments.
- Off: Disables active cooling; use only for short periods in cool environments to avoid overheating.
- Firmware Updates: Periodically check the Accsoon official website for firmware updates to ensure optimal performance and access to new features.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No video signal on receiver/monitor. |
|
|
| Poor signal quality or dropped frames. |
|
|
| Mobile app not connecting. |
|
|
| Device overheating. |
|
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | CineView Master 4K transmitter |
| Product Dimensions | 4.92 x 3.03 x 1.22 inches |
| Item Weight | 7.8 ounces |
| Brand | Accsoon |
| Manufacturer | Accsoon |
| Color | Grey |
| Connectivity Technology | Wi-Fi (2.4GHz, 5GHz, 6GHz Tri-Band) |
| Compatible Devices | Camera, iOS/Android Mobile Devices |
| Max Number of Supported Devices | 5 (1 wired, 4 wireless) |
| Batteries | 1 Lithium Ion battery required (not included, typically NP-F type) |
| Video Input/Output | HDMI (up to 4K60), SDI (up to 1080p) |
| Transmission Range | Up to 2.5 km (8202 ft) |
| Latency | <25ms (1080P), <35ms (4K) |
9. Warranty and Support
Accsoon products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or visit the official Accsoon website. For technical support, firmware updates, and additional resources, please visit the Accsoon support page or contact their customer service directly.
Official Accsoon Website: www.accsoon.com





