The Shure UA870 is an active UHF directional antenna featuring a log periodic dipole array. It’s designed for reliable signal capture in various environments, offering weather resistance for outdoor use. Compatible with Shure UR4, ULX receivers, and UA845/UA844 systems, it ensures optimal performance and flexibility.
1.1 Overview of the Shure UA 870
The Shure UA870 is a UHF active directional antenna designed for use with Shure wireless systems. It features a log periodic dipole array, offering reliable signal capture in various environments. Built with weather-resistant materials, it supports outdoor use and ensures high performance in diverse settings, making it a versatile solution for professional audio applications.
1.2 Key Features and Applications
The Shure UA870 offers directional signal capture with a log periodic dipole array, ensuring consistent performance. It’s weather-resistant, suitable for outdoor use, and supports diversity setups with a second antenna for improved reliability. Ideal for large venues, the UA870 integrates seamlessly with Shure’s UR4, ULX receivers, and UA845/UA844 systems, enhancing wireless audio applications in professional settings.
1.3 Importance of the User Manual
The user manual is essential for understanding the UA870’s capabilities and proper usage. It provides detailed installation instructions, safety guidelines, and technical specifications. The manual also covers troubleshooting common issues and ensures compliance with regulatory standards. Reading it carefully helps users optimize performance, avoid damage, and maintain reliable operation in various environments.
Installation Instructions
The UA870 installation involves determining the cable length, setting the gain switch to the appropriate position, and securely connecting the antenna to the receiver or distribution system.
2.1 Determining the Cable Length
Measure the distance from the antenna to the receiver or distribution system. Consider the installation method—on a stand, suspended ceiling, or wall. Add extra length for cable routing. Ensure the cable type matches specifications to maintain signal integrity and avoid attenuation.
2.2 Setting the Gain Switch
Adjust the gain switch based on the signal strength requirements. For stronger signals, reduce the gain to prevent over-amplification. In environments with weaker signals or greater distances, increase the gain to improve reception. Ensure the setting balances signal quality and noise reduction for optimal performance.
2.3 Connecting the Antenna
Connect one end of the coaxial cable to the UA870 antenna and the other to your receiver or distribution system. Ensure a secure, snug connection to avoid signal loss. Verify that the cable is free from damage and properly routed. If using a distribution system like UA845 or UA844, follow the manufacturer’s guidelines for optimal connectivity and signal distribution.
Mounting Options
The Shure UA870 offers versatile mounting options, including placement on a microphone stand, suspension from a ceiling, or wall installation using the swivel adapter bracket for secure positioning.
3.1 Mounting on a Microphone Stand
The UA870 can be securely mounted on a standard microphone stand, providing convenient placement for optimal signal reception. This setup is ideal for temporary installations or live performances, allowing easy adjustments for directional alignment. Ensure the stand is sturdy to support the antenna’s weight and maintain stability during use.
3.2 Suspended Ceiling Mounting
The UA870 antenna can be suspended from a ceiling using appropriate hardware, ensuring secure installation and optimal signal reception. Position the antenna to face the desired direction and adjust its angle for maximum performance. Ensure the ceiling structure can support the antenna’s weight and that the installation maintains safety and stability. This method is ideal for permanent setups requiring consistent coverage.
3.3 Wall Mounting Using the Swivel Adapter
The UA870 antenna can be securely mounted to a wall using the integrated swivel adapter, allowing for easy positioning and adjustment. This method provides flexibility in antenna placement, ensuring optimal signal reception. The swivel adapter enables precise aiming, making it suitable for fixed installations where directional control is essential. Ensure the wall mount is sturdy to support the antenna’s weight and maintain stability.
Technical Specifications
The Shure UA870 is a UHF active directional antenna with impedance of 300 Ω, nominal input level of 90-230 VAC, and operates across a wide frequency range. It features log periodic dipole array technology, ensuring reliable performance and weather resistance for outdoor use.
4.1 Impedance and Input Level
The Shure UA870 features an impedance of 300 Ω and operates with a nominal input level of 90 to 230 VAC. This ensures compatibility with a wide range of systems while maintaining optimal performance in various environments, including outdoor settings where weather resistance is crucial.
4.2 Frequency Range and Directivity
The Shure UA870 operates within the UHF frequency range, offering a log periodic dipole array design for directional signal capture. Its directivity provides a front-to-back ratio of approximately 15 dB, ensuring strong signal reception while minimizing rear interference. This makes it ideal for both indoor and outdoor applications, delivering consistent performance across its frequency spectrum.
4.3 Weather Resistance and Outdoor Use
The Shure UA870 antenna is designed to be weather resistant, making it suitable for outdoor use. Its durable construction ensures reliable performance in various environmental conditions, making it ideal for outdoor applications where exposure to the elements is a concern.
Optimal Performance Tips
For maximum performance, use two UA870 antennas for diversity reception. Position them strategically to ensure strong signal strength and minimize interference from nearby sources or obstacles;
5.1 Using Two UA 870 Antennas for Diversity
Using two UA870 antennas enables diversity reception, improving signal reliability and reducing dropouts. Position antennas to maximize coverage of the performance area while minimizing interference. This setup ensures a stable connection and optimal performance in professional environments, making it ideal for critical applications requiring consistent signal quality.
5.2 Positioning for Maximum Signal Strength
Position the UA870 antenna high and clear of obstructions to maximize signal strength. Place it away from metal surfaces and align it toward the transmitter. Ensure the antenna is upright and adjusted for optimal coverage. Proper positioning enhances signal reliability, reducing interference and dropout risks, ensuring stable performance in various environments.
5.3 Avoiding Interference Sources
To minimize interference, position the UA870 antenna away from metal surfaces, electronic devices, and physical obstructions. Avoid areas with high RF activity or sources of electromagnetic interference. Ensure proper alignment and orientation to reduce signal degradation. Using two antennas for diversity can help mitigate interference issues. Regularly inspect the setup to maintain optimal performance and signal clarity.
Compatibility with Shure Systems
The Shure UA870 is compatible with UR4 and ULX receivers, UA845, and UA844 distribution systems. It integrates seamlessly with other Shure wireless products, ensuring reliable performance across various frequencies.
6.1 UR4 and ULX Receivers
The Shure UA870 antenna is fully compatible with UR4 and ULX receivers. It ensures stable signal transmission and optimal diversity performance when connected. The UR4 and ULX systems support wide frequency ranges, making the UA870 a versatile choice for professional audio setups. This compatibility enhances the overall wireless system’s reliability and sound quality.
6.2 UA845 and UA844 Distribution Systems
The Shure UA870 antenna is compatible with UA845 and UA844 distribution systems. These systems ensure efficient signal distribution, maintaining high signal integrity. Proper installation requires determining the correct cable length to connect the UA870 to these systems, ensuring optimal performance and reliability in professional audio setups.
6.3 Integration with Other Shure Wireless Products
The UA870 seamlessly integrates with other Shure wireless products, enhancing overall system performance. It works alongside UR4 and ULX receivers, as well as UA845 and UA844 distribution systems, ensuring consistent and reliable signal transmission; This compatibility allows for a cohesive and efficient wireless setup, tailored to professional audio requirements.
Troubleshooting Common Issues
Address issues like no signal, weak signal, or interference by checking connections, adjusting gain settings, and ensuring proper antenna positioning. Physical damage requires immediate repair.
7.1 No Signal or Weak Signal
Check all connections for tightness and damage. Ensure the antenna is positioned correctly for optimal signal reception. Adjust the gain switch to the appropriate setting. Verify that the antenna is properly paired with the receiver. If using diversity, ensure both antennas are correctly installed and configured. Restart the system and test signal strength again.
7.2 Interference or Noise
Relocate the antenna to avoid nearby devices emitting interference. Ensure physical obstructions are minimized. Check for sources of RF interference, such as other wireless systems or electronic devices. Use the diversity setup with two UA870 antennas to reduce noise. Adjust the gain switch to optimize signal quality and minimize interference. Consult the manual for advanced troubleshooting steps if issues persist.
7.3 Physical Damage or Malfunction
Inspect the antenna for visible damage or loose connections. Contact Shure support if damage is detected. Ensure all cables are securely connected and power cycled. Regular maintenance and handling as per the manual can prevent malfunctions. Always follow safety guidelines for repairs to maintain compliance and performance standards.
Safety Precautions
Read the manual carefully to ensure safe operation. Avoid exposure to wet conditions and extreme temperatures. Handle the antenna with care to prevent physical damage. Follow all regulatory standards for safe installation and use.
8.1 General Safety Guidelines
Always follow proper installation and handling procedures to ensure safe use of the UA870 antenna. Avoid exposure to water and extreme temperatures. Keep the antenna away from direct sunlight and flammable materials. Use the provided mounting hardware securely to prevent accidents. Regularly inspect the antenna for damage and ensure all connections are secure. Follow all local safety regulations and guidelines.
8.2 Handling and Storage
Handle the UA870 antenna with care to avoid physical damage. Store it in a protective case or bag when not in use. Keep the antenna in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid bending or flexing the antenna elements excessively. Before storage, ensure all connections are clean and free of debris. Inspect the antenna for damage before and after storage.
8.3 Compliance with Regulatory Standards
The Shure UA870 antenna complies with applicable regulatory standards, ensuring safe and reliable operation. It meets CE, FCC, and RoHS requirements, adhering to global regulations. Proper use as outlined in the manual ensures compliance. Users should verify local regulations for outdoor and indoor installations to maintain adherence to all relevant standards and guidelines.
The Shure UA870 antenna offers reliable performance and flexibility for professional wireless systems. By following the manual, users can maximize its features and ensure optimal results.
9.1 Summary of Key Points
The Shure UA870 antenna is a reliable, weather-resistant UHF directional antenna designed for professional wireless systems. It offers flexible mounting options, including stands, ceilings, and walls. Proper installation involves determining cable length, setting the gain switch, and ensuring optimal positioning for maximum signal strength. Using two antennas for diversity enhances performance, while avoiding interference sources ensures reliable operation.
9.2 Final Tips for Effective Use
Regularly inspect and maintain the antenna for optimal performance. Ensure all connections are secure and adjust the gain switch as needed. For outdoor use, verify weather resistance and proper sealing. Always reference the user manual for specific configurations and updates. Consult Shure support for advanced troubleshooting or system integration needs to maximize the antenna’s potential.
References
- Shure UA870 User Manual
- Additional Shure Documentation
- Online Resources and Support
10.1 Shure UA 870 User Manual
The official Shure UA870 User Manual provides comprehensive instructions for installation, operation, and maintenance. It is available in multiple languages, including English, French, German, Spanish, and Italian. The manual covers safety guidelines, technical specifications, and troubleshooting tips. Users can download the PDF version directly from Shure’s official website or through authorized distributors. This resource ensures optimal use and performance of the UA870 antenna.
10.2 Additional Shure Documentation
Beyond the UA870 manual, Shure provides supplementary guides for system integration and advanced setups. These include detailed technical notes, compatibility charts, and best practices for optimizing performance with Shure wireless systems. Additional resources cover troubleshooting and maintenance tips, ensuring users can resolve issues and maintain their equipment effectively. These documents are accessible via Shure’s official website and support portal.
10.3 Online Resources and Support
Shure’s official website offers extensive online resources, including the UA870 user manual, product pages, and FAQs. Additional support is available through downloadable PDF guides and the Shure support portal. Users can access detailed documentation, troubleshooting tips, and software updates. For further assistance, visit Shure’s website or refer to the manual section for comprehensive support.