Shure UA844 User Manual
Wireless Accessory
UA844
USER GUIDE
Antenna Distribution System
Distributeur d'antenne
Antennensplittersystem
Sistema de distribución de antenas
Sistema di distribuzione di antenna
Sistema de Distribuição de Antena
Антенные распределительные системы
Antenneverdeelsysteem
アンテナ 分 配システム
안테나 분배 시스템
天线分配系统
天線分配系統
Sistem Antena Distribusi
© 2017 Shure Incorporated
27A30414 (Rev. 2)
Printed in U.S.A
IMPORTANT SAFETY INSTRUCTIONS
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and install in accordance with the manufacturer’s instructions.
8. DO NOT install near any heat sources such as open flames, radiators, heat registers,
stoves, or other apparatus (including amplifiers) that produce heat. Do not place any open
flame sources on the product.
9. DO NOT defeat the safety purpose of the polarized or groundingtype plug. A polarized
plug has two blades with one wider than the other. A grounding type plug has two blades
and a third grounding prong. The wider blade or the third prong are provided for your
safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the manufacturer.
12. USE only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid injury from tip-over.
13. UNPLUG this apparatus during lightning storms or when unused for long
periods of time.
14. REFER all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged,
liquid has been spilled or objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has been dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled with
liquids, such as vases, on the apparatus.
16. The MAINS plug or an appliance coupler shall remain readily operable.
17. The airborne noise of the Apparatus does not exceed 70dB (A).
18. Apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a
protective earthing connection.
19. To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture.
20. Do not attempt to modify this product. Doing so could result in personal injury and/or
product failure.
21. Operate this product within its specified operating temperature range.
This symbol indicates that dangerous voltage constituting a risk of
electric shock is present within this unit.
This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.
WARNING: This product contains a chemical known to the State of California to cause cancer and birth
defects or other reproductive harm.
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General Description
Accessories
The Shure Model UA844+ is an antenna distribution system that allows
for the expansion of wireless microphone systems by splitting one pair of
antennas to multiple receivers. It also amplifies RF signals to compensate
for insertion loss that results from splitting signal power to multiple outputs.
A single UA844+ system can support up to five wireless receivers. A maximum of five UA844+ systems may be used in a two-tiered configuration.
Model Variations
UA844+ Model Variations
UA844+V 174-216 MHz
UA844+SWB 470-960 MHz
UA844+Z16 1240-1260 MHz
UA844+Z17 1492-1525 MHz
UA844+Z18 1785-1805 MHz
Note: Some units include a power switch on the front panel to meet regional regulations.
System Components
• Front-mounting antenna hardware
• Rack-mounting hardware
• External power supply
• (2) 6 ft. BNC cables
• (4) Non-locking DC power cords (QLXD4, SLX4, BLX4R)
• (10) 22 in. BNC cables*
• (4) Locking DC power cords** (ULXD4)
Optional Accessories
1/2 Wave Omnidirectional Receiver Antenna for
improved wireless signal reception
In-Line RF Amplifier compensates for signal loss
over extended cable runs
UA874 Active Directional Antenna for improved
wireless signal reception with greater rejection of
unwanted signals
1/2 Wave Antenna Remote Mount Kit UA505
Antenna Rack Panel with Cables and BNC
Adapters
Note: Be sure to select antennas and accessories that are compatible
with the operating frequency range of your wireless system. Contact Shure
or your local retailer for help with selecting the right wireless accessories.
Selecting Antenna Cables
Use 50 ohm low-loss coaxial cable, such as RG-8U. Shure offers preterminated antenna cables ranging from 6 to 100 feet.
NOTE: When ordering cables from Shure, select the low-loss "Z" models
(available for longer cables) when using frequency bands above 1000
MHz.
UA8
UA834
UA874
UA440
*Model UA844+/LC substitutes (2) 22 in. BNC cables.
**Not included with Model UA844+/LC
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