Hollyland Mars 4K Wireless Transmitter Receiver User Manual

1. Introduction

The Hollyland Mars 4K Wireless Transmitter Receiver system is designed for professional video transmission, offering high-quality 4K UHD video capabilities. This system provides reliable wireless video and audio transmission for various applications, including filmmaking, live broadcasting, and event production. It supports both HDMI and SDI interfaces, ensuring broad compatibility with professional cameras and video equipment.

Image: The Hollyland Mars 4K Wireless Transmitter (TX) and Receiver (RX) units, showcasing their robust design and antenna ports.

2. What's in the Box

Verify that all components are present in your package:

• Hollyland Mars 4k Transmitter and Receiver *1
• Hollyland Bullet Antenna * 5
• Hollyland Cold Shoe * 1
• Hollyland OTG Converter * 1 & Expansion Accessory * 1
• Hollyland Self-locking DC Adapter * 1

Image: A visual representation of all items included in the Hollyland Mars 4K 1TX+1RX package, including the transmitter, receiver, antennas, cold shoe, OTG converter, expansion accessory, and DC adapter.

3. Key Features

The Mars 4K system incorporates advanced features for professional video production:

• 4K UHD Video Transmission: Supports video input/output formats up to 3840x2160@24/25/30fps resolution via HDMI port, and FHD/HD formats like 1080p/720p via HDMI/SDI. Utilizes H264 encoding for 8-20Mbps bit-rate under HD/Balance/Speed Scene Modes.
• SDI & HDMI Interface: Offers both HDMI and SDI options for versatile applications. The 3G-SDI port supports broadcast and production standard frame rates (23.98/29.97/59.94 FPS).
• Extended Range & Low Latency: Achieves up to 450ft (Line of Sight) range and 66ms ultra-low delay in optimal conditions.
• Robust Design: Features a metal shell, bullet-style antennas, protective interface design, joystick menu button, full-color LCD screen, and strong Electrostatic Discharge (ESD) protection.
• Multiple Monitoring Options: Supports wireless transmission to RXs, iOS, and Android devices. Allows 2 monitors via HDMI/SDI cable and 2 mobile devices for APP monitoring with 1TX to 1RX setup. Up to 4 APP monitoring without an RX.
• Smart Channel Scan: Automatically selects the best channel upon power-on and allows manual channel switching via RX or app.
• Flexible Power Options: Supports 6-16V DC power, NP-F970/750/550 batteries, and 5V/2.5A USB Type-C power. (QC/PD protocol and 5V/2A charging are not supported).

Image: A banner summarizing the key features of the Mars 4K system, highlighting 4K 30P video, SDI/HDMI connectivity, 450ft range, 66ms latency, aluminum alloy construction, versatile power, and smart channel scanning.

4. Setup Guide

4.1 Attaching Antennas

Screw the bullet antennas onto the designated antenna ports on both the transmitter (TX) and receiver (RX units). Ensure they are securely fastened.

4.2 Powering the Units

Connect the self-locking DC adapter to the DC IN port of both the TX and RX units, or attach compatible NP-F series batteries. Alternatively, use a 5V/2.5A USB Type-C power source.

Image: Illustration of the various power options for the Mars 4K units, including 6-16V DC input, USB Type-C, and NP-F battery compatibility.

4.3 Connecting Video Sources

Connect your camera or video source to the HDMI IN or SDI IN port on the transmitter (TX) unit. Connect your monitor or video switcher to the HDMI OUT or SDI OUT port on the receiver (RX) unit.

Image: Detailed view of the HDMI and SDI input/output ports on the Mars 4K units, illustrating their versatile connectivity.

4.4 Pairing and Channel Selection

Upon powering on, the units will automatically scan for the best available channel and attempt to pair. The full-color LCD screen on each unit will display connection status and selected channel. You can manually adjust channels using the joystick menu button or via the HollyView app.

Image: An illustration of the Smart Channel Scan feature, showing the unit automatically selecting the optimal wireless channel for stable transmission.

5. Operating Instructions

5.1 Basic Operation

Once powered on and connected, the Mars 4K system will begin transmitting video. The LCD screen provides real-time information on signal strength, battery status, and selected channel. Use the joystick to navigate the menu for advanced settings.

5.2 Monitoring Options

The Mars 4K offers flexible monitoring solutions:

• 1 Transmitter to 1 Receiver: Allows connection to two physical monitors (via HDMI/SDI) and two mobile devices using the HollyView app.
• 1 Transmitter Only: Supports monitoring on up to four mobile devices via the HollyView app.
• Multiple Receivers: Pair additional Mars 4K RX units to expand monitoring capabilities for multiple crew members.

Image: A diagram illustrating the various monitoring configurations possible with the Mars 4K system, including 0 RX with 4 APP, 1 RX with 2 APP, and 2 RX with 0 APP.

6. Maintenance

To ensure the longevity and optimal performance of your Mars 4K system, follow these maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the exterior of the units. Avoid using liquid cleaners or solvents.
• Storage: Store the units in a cool, dry place away from direct sunlight and extreme temperatures. When not in use for extended periods, remove batteries.
• Antennas: Handle antennas with care. Ensure they are securely attached during operation and removed or protected during transport.
• Battery Care: If using NP-F batteries, follow the manufacturer's guidelines for charging and storage. Avoid fully discharging lithium-ion batteries.

7. Troubleshooting

If you encounter issues with your Mars 4K system, refer to the following common problems and solutions:

• No Video Signal:
  • Check all HDMI/SDI cable connections between the camera, TX, RX, and monitor.
  • Ensure both TX and RX units are powered on and have sufficient battery.
  • Verify that the input/output resolutions are compatible with the Mars 4K system and your monitor.
  • Confirm that the TX and RX units are paired and on the same channel.
• Poor Signal Quality/Interference:
  • Ensure antennas are securely attached and oriented correctly.
  • Move the units closer to each other to reduce the transmission distance.
  • Check for obstructions between the TX and RX units.
  • Perform a channel scan to find a clearer frequency.
  • Minimize other 5GHz wireless devices in the vicinity.
• Units Not Powering On:
  • Check power cable connections and ensure the power source (DC adapter or battery) is functional.
  • If using batteries, ensure they are charged and correctly inserted.
• App Monitoring Issues:
  • Ensure your mobile device is connected to the Mars 4K's Wi-Fi network.
  • Update the HollyView app to the latest version.
  • Restart the app and the Mars 4K units.

8. Specifications

9. Warranty and Support

The Hollyland Mars 4K Wireless Transmitter Receiver comes with a standard manufacturer's warranty. For specific warranty details, duration, and terms, please refer to the warranty card included in your product packaging or visit the official Hollyland website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Hollyland customer support directly.

You can typically find contact information on the official Hollyland website or through the retailer where you purchased the product.