Instruction/ maintenance manual of the product UA845 Shure
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Model UA845 User Guide © 2006, Shure Incorporated 27F8635 (Rev . 8) Printed in U.S.A. ANTENNA DISTRIBUTION SYSTEM USER'S GUIDE.
3 POWERING ON/POWERING OFF THE UA845 T o avoid damaging internal components, the UA845 amplifier should be the last compone nt in your system to be powered on . T o avoid damaging internal components, the UA845 amplifier should be the first component in your system to be powered off .
4 TABLE OF CONTENTS SAFETY INFORMATION ............ .................................................................. ................ ............. 5 MODEL UA845 ANTENNA DISTRIBUTION SYSTEM ........... .............. ............... ........... ....
5 SAFETY INFORMATION ! IMPORT ANT SAFETY INSTRUCTIONS ! 1. READ these in structions. 2. KEEP the se instruct ions. 3. HEED all warn ings. 4. FOLLOW al l instru ctions. 5. DO NOT us e this appara tus near w ater. 6. CLEAN ONL Y with d ry cloth. 7. DO NOT bl ock any venti lation op enings.
6 ! INSTRUCCIONES IMPORT ANTES DE SEGURIDAD ! 1. LEA estas ins trucciones . 2. CONSERVE est as instrucciones. 3. PRESTE A TENCIO N a todas las advert encias. 4. SIGA toda s las instruccion es. 5. NO util ice este apar ato cerca del agua. 6. LIMPIESE UNICAMENTE co n un trapo sec o.
7 ENGLISH MODEL UA845 ANTENNA DISTRIBUTION SYSTEM The Shure Model UA845 is an ampl ified, UHF Antenna Distrib u- tion System that expands a wireless microphone system by splitti ng one pair of antennas to multiple Shure U4 or Shure UC4 wireless receivers.
8 ENGLISH CONTROLS AND CONNECTORS Front Panel Back Panel AC Power INPUT Connector . AC Power OUTPUT Connector . Each UA845 ha s a Power OUTPUT connector for daisy-chaining up to five (5) Shure Model U4 UHF Diversi ty Single or Dual Receiv- ers to a single power source.
9 ENGLISH SYSTEM INSTALLATION Installing Front-Mounted Antennas The UA845 comes equipped for front-mounted antennas. Front-mounting improves RF perfo rmance of the system by moving the antennas to the front of the rack. When a unit is located in a rack, antennas should be eith er front- or remote-mounted.
10 ENGLISH CONNECTING RECEIVERS Single UA845 Setup 1. Using low-loss, 50 Ω coaxial cables (RG-58 or equivalent), con- nect the right and left (Channels 1 through 4, A and B) RF OUTPUT ports on the UA845 to the corresponding left and right antenna inputs on each receiver .
11 ENGLISH Multiple UA84 5 Setup 1. Connect the CASCADE ports (connector 5) for RF OUTPUT Channels A and B of one UA845 to the ANTENNA INPUT , channels A and B, of a U4 receiver , a UC4 receiver , or a sec- ond UA845. 2. If desired, connect additiona l units in the same manner .
12 ENGLISH SPECIFICATIONS UHF Carrier Frequency Range UA845-UA ........ .............. ............ ........... ........ 782–806 MHz UA845-UB ........ .............. ............ ........... ........ 692–716 MHz UA845-MA ........ .............. ..
13 ENGLISH LICENSING AND WARRANTY INFORMATION W arranty . Shure Incorporated (“Shur e”) hereby warrants that these products will be free from defects in material and workman- ship for a period of two years from the date of purchase.
42 IT ALIANO.
SHURE Incorporated http:/ /www.shure.com United States, Canada, Latin America, Caribbean: 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 847-600-2000 U.
An important point after buying a device Shure UA845 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Shure UA845 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Shure UA845 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Shure UA845 you will learn all the available features of the product, as well as information on its operation. The information that you get Shure UA845 will certainly help you make a decision on the purchase.
If you already are a holder of Shure UA845, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Shure UA845.
However, one of the most important roles played by the user manual is to help in solving problems with Shure UA845. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Shure UA845 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
