Shure Ua840 User manual

Model UA840 User Guide

Shure

Brothers Incorporated

222 Hartrey A

venue

Evanston IL 60202-3696 U.S.A.

27A8570 (QC)



1997, Shure Brothers Inc.

Printed in U.S.A.

UA840

Antenna Distribution System

User’s Guide

Répartiteur d’Antenne

Le Guide de l’Utilisateur

Antennenverteilersystem

Bedienungsanleitung

Sistema de distribución de antenas

Guía del Usario

Sistema di distribuzione ad antenne

Guida dell’Utente

www.audiovias.com

TABLE OF CONTENTS

ENGLISH

MODEL UA840 ANTENNA DISTRIBUTION SYSTEM 3.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEM FEATURES 3.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONTROLS AND CONNECTORS 4.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEM INSTALLATION 5.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONNECTING RECEIVERS 6.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LICENSING AND WARRANTY INFORMATION 8.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FRANÇAIS

RÉPARTITEUR D’ANTENNE UA840 9.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CARACTÉRISTIQUES DU SYSTÈME 9.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMMANDES ET CONNECTEURS 10.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION DU SYSTÈME 11.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BRANCHEMENT DES RÉCEPTEURS 12.

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FICHE TECHNIQUE 14.

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INFORMATIONS DE LICENCE ET DE GARANTIE 14.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DEUTSCH

ANTENNENVERTEILERSYSTEM

MODELL UA840

15.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEMMERKMALE 15

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BEDIENELEMENTE UND ANSCHLÜSSE 16.

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SYSTEMINSTALLATION 17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ANSCHLUSS DER EMPFÄNGER 18.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TECHNISCHE DATEN 20.

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LIZENZ– UND GARANTIEHINWEISE 20.

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ESPAÑOL

SISTEMA DE DISTRIBUCION DE ANTENAS MODELO UA840 21.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CARACTERISTICAS DEL SISTEMA 21.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONTROLES Y CONECTORES 22.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALACION DEL SISTEMA 23.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONEXION DE RECEPTORES 24.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ESPECIFICACIONES 26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INFORMACION RESPECTO A LICENCIA DE USO Y GARANTIA 26.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ITALIANO

SISTEMA DI DISTRIBUZIONE AD ANTENNE MODELLO UA840 27.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CARATTERISTICHE DEL SISTEMA 27.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMANDI E CONNETTORI 28.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLAZIONE DEL SISTEMA 29.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COLLEGAMENTO DEI RICEVITORI 30.

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SCHEDA TECNICA 32.

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INFORMAZIONI SUL RILASCIO DI LICENZA E GARANZIA 32.

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www.audiovias.com

MODEL UA840 ANTENNA DISTRIBUTION SYSTEM

The

Shure Model UA840 is an amplified, UHF Antenna

Distribution

System designed to expand a wireless micro

phone system by splitting one pair of

antennas to multiple

receivers.

It also amplifies RF

signals to compensate for in

sertion

loss due to splitting

signal power to mulitple output

ports. Each UA840 allows up to four receivers to use the

same antennas. A CASCADE port allows con

nections

to a fifth receiver or a second UA840.

Each system contains the following items:

UA840

Antenna Distribution System



Rack-mounting hardware



Surface-mounting hardware



Antennas and front-mounting hardware



18-in. Power OUTPUT Cord



Power Cord

The Shure Model UA840 has been developed to en-

sure

maximum sensitivity and

signal processing capability

providing the widest radio range possible for the largest

number of wireless receivers. To get the most from this

system,

follow these guidelines:

When using long runs of cable for remote-

mounted

antennas, use the

UA830 Active Remote

Antenna

Kit and the Shure Model

UA825 or UA850

Remote Antenna Extension cables (RG-8/X or

equivalent),

which have

low loss at UHF operating

frequencies

Locate

multiple transmitters more than 3

m [10 ft]

from

receiving antennas

SYSTEM FEATURES

•

Expandability.

The UA840 UHF Antenna Distribution

System is designed for large UHF wireless systems.

Each

unit allows up

to four wireless receivers to use the

same

two antennas, and the cascade ports allow con

nection

for up to five (5) more UA840’

s, for a total of up

20 UHF wireless receivers.

•

Compatibility.

The UA840 is compatible with all wire

less microphone receivers operating within a compat-

ible frequency range (see

UHF Carrier Frequency

Ranges

in the Specifications section).

•

CASCADE

Ports.

wo 50

Ω,

BNC-type antenna CAS

CADE ports allow additonal UA840 unit or a fifth wire-

less

receiver

. A large wireless system can be run

f of a

single

pair of antennas.

•

Power OUTPUT Port.

Up to five (5) receivers can be

daisy-chained

via the Power

OUTPUT ports to a single

power

source.

•

Low Noise and Intermodulation Distortion.

The

UA840

maintains

clean signals with minimal distortion.

•

Insertion

Loss Compensation.

Whenever a signal

split to multiple output ports, there is a loss in signal

strength.

The

UA840 amplifies signals to compensate,

ensuring

a strong signal to the receivers.

•

Front-Mounted Antennas.

The UA840 comes with

hardware

to front-mount the antennas, if desired.

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CONTROLS AND CONNECTORS

Front Panel (Figure 1)

FRONT

ANEL

FIGURE 1

1. Power

ON/OFF Switch.

Power Indicator

Back Panel (Figure 2)

BACK

ANEL

FIGURE 2

23 4 5345

1. Power

INPUT Port.

2. Power OUTPUT Port. Each UA840 has a Power

OUTPUT Port for daisy-chaining up to five (5) Shure

Model U4 UHF Diversity Single or Dual Receivers to

single power source.

3. ANTENNA IN Ports, Channel A & B. Antenna con-

nectors.

4. RF CASCADE Ports (Output port 5), Channel A &

B. Connect antenna outputs to a fifth receiver, or to

additional UA840’s, permitting more wireless receiv-

ers

to be connected.

5. RF OUTPUT Ports, Channel A & B. Connectors for

to four wireless receivers.

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SYSTEM INSTALLATION

Installing Front-Mounted Antennas

The

UA840 comes equipped for front-mounted anten

nas. Front-mounting prevents antenna cables from be-

coming entangled and greatly minimizes RF interference

from

other cables. When a unit is located in a rack, anten

nas

should be either front- or remote-mounted.

1. Insert

the

bulkhead adapters through the holes in each

bracket, and secure them from each side, using the

supplied

hardware. See Figure 3.

ÑÑÑÑÑÑÑÑÑÑÑ

ÑÑÑ

ÑÑ

ÑÑÑÑÑÑÑ

ÑÑÑÑÑ

ÑÑÑÑÑÑÑ

ÑÑÑÑÑÑ

ÑÑÑ

INSERTING BULKHEAD ADAPTERS

FIGURE 3

2. Connect

e s

upplie

d a

ntenn

a c

able

s t

o t

e r

eceive

r a

tenna

nput

s a

d a

dapters

. S

ee Figur

e 4

ÑÑÑÑÑÑÑÑÑÑ

ÑÑÑ

ÑÑ

ÑÑÑÑÑÑ

ÑÑÑÑÑ

ÑÑÑÑÑÑ

ÑÑÑ

CONNECT ANTENNA CABLES

FIGURE 4

3. Install the antennas onto the bulkhead adapters pro-

truding

through the front panel. See Figure 5.

ANTENNA

UA840

(FRONT

VIEW)

ÑÑ

ATTACH ANTENNAS TO THE ADAPTERS

FIGURE 5

NOTE:

For the best results, point the antennas up

and

away

from each other at 45



angles. This ensures the best

possible reception and greatly reduces the possibility of

signal

dropout. Always perform a walk-through test of the

system

in the performing area before using a wireless sys

tem.

Mounting the UA840 in an Equipment Rack

NOTE:

If the antennas are to be

front-mounted, Shure rec

ommends

connecting them before mounting

the UA840 in

the

rack. Once the UA840 is in the rack, it is more dif

ficult to

insert the bulkhead adapters and connect the antenna

cables.

1. Insert

the unit into a 19-inch equipment rack.

2. Using

the screws supplied, secure the unit to the rack

(Figure 6).

ÑÑ

RACK MOUNTING

FIGURE 6

3. If the antennas are remote mounted from the back of

the

rack, insert the supplied plastic plugs into the holes

the front of the brackets.

Installing Remote Antennas (Figure 7)

Remote-mounted

antennas have the advantage of

ing free from the unit and closer to the transmitters. They

can be placed anywhere within the recommended cable

length, creating a much wider radio reception range and

further

reducing

the possibility of signal dropout. When re

mote-mounted antennas are desirable, please ask your

Shure

dealer for information on the UA830 UHF Active Re

mote Antenna Kit. Cables are available in UA825 (7.5 m

[25

ft]) and UA850 (15 m [50 ft]) versions.

REMOTE-MOUNTED ANTENNAS

FIGURE 7

UA840

RECEIVERS

UA830 LINE

AMPLIFIERS

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CONNECTING

RECEIVERS

Single UA840 Setup (Figure 8)

1. Using

low-loss, 50

Ω

coaxial cables

(RG-58 or equiva

lent),

connect the right and left (Channels

1 through 4,

and B) RF OUTPUT ports on

the UA840 to the corre

sponding

left and right antenna inputs on each receiv

er.

Use the CASCADE ports to connect a fifth

receiver

Using the supplied power cable, connect the UA840 to

power outlet.

3. To daisy-chain units together with Power OUTPUT

cables,

connect the Power

OUTPUT port of the UA840

the Power INPUT port of one receiver

. Connect the

remaining receivers similarly. Connect the POWER

INPUT

of the unit to a power supply

NOTE: No more than five (5) receivers should be pow-

ered

through a daisy-chain from a single UA840.

O RECEIVER 5

O RECEIVER 4

O RECEIVER 3

O RECEIVER 2

O RECEIVER 1

ANT B OUTS ANT A OUTS

O RECEIVER 1

O RECEIVER 2

O RECEIVER 3

O RECEIVER 4

O RECEIVER 5

SINGLE UA840 SETUP

FIGURE 8

UA840

FRONT

UA840

BACK

CASCADE

CASCADE A

ANT B IN ANT A IN

PWR OUTPUT

PWR INPUT

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

O POWER SUPPL

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Multiple UA840 Setup (Figure 9)

1. Connect

the CASCADE ports (port 5) for RF

OUTPUT

Channels

A and B of one UA840 to the ANTENNA IN

PUT,

channels A and B, of a second UA840.

2. If desired, connect additional units in the same man-

ner.

3. To daisy-chain units together with Power OUTPUT

cables,

connect the Power

OUTPUT port of the UA840

the Power INPUT port of one receiver

. Connect the

remaining receivers similarly. Connect the POWER

INPUT

of the unit to a power supply

WARNING: When adding additional UA840’s to a sys-

tem, each UA840 should be connected to a separate

power supply. No more than five (5) receivers can be

powered from a single UA840. Daisy-chaining multiple

UA840’s

through the Power OUTPUT

ports will overload

a single power supply, possibly causing damage to the

equipment.

O UA840A #2 ANT A IN

O RECEIVER 2

O RECEIVER 1

O RECEIVER 2

O UA840A #2 ANT B IN

MULTIPLE UA840 SETUP

FIGURE 9

UA840

FRONT

UA840

BACK

PWR

OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

UA840

PWR

OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

PWR OUTPUT

PWR INPUT

ANT B IN

RECEIVER

ANT A IN

O PWR IN

O POWER SUPPL

O RECEIVERS

RECEIVERS T

RECEIVERS

O PWR IN

O UA840 #3

ANT B IN

O UA840 #3

ANT A IN

O POWER SUPPL

ANT B OUTS ANT A OUTS

CASCADE B CASCADE A

ANT B IN ANT A IN

PWR OUTPUT

PWR INPUT

ANT B OUTS ANT A OUTS

CASCADE B CASCADE A

ANT B IN ANT A IN

PWR OUTPUT

PWR INPUT

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SPECIFICATIONS

UHF

Carrier Frequency Range

UA840A 782–81

0 M

Hz.

. . . . . . . . . . . . . .

UA840B 854–862

MHz

. . . . . . . . . . . . . .

UA840C 800–830

MHz

. . . . . . . . . . . . . .

UA840D 774–782

MHz

. . . . . . . . . . . . . .

Distributed Output Level (Gain)

3 d

5 d

B f

m a

ntenn

a i

nput (Outpu

t p

ort

s 1

–4)

0.5 dB

1.5 dB from antenna input (Cascade port)

Input/Outpu

t P

t V

SWR

Les

s t

n 1

.6:1

Outpu

t P

ort Isolation

Greater tha

n 25 d

Thir

d O

rde

r I

ntercep

t P

oint (

3 O

IP)

Greater tha

n 25 d

Input/Output AC Line Voltage

85 to 120 V

AC or 230 V

AC.

Impedance

Ω

Operating T

emperature Range

–15 to +50

Overall Dimensions

44.5

mm high x 482.6

mm wide x 295.3 mm deep (1

3/4

x 1

5/8

inches)

Net W

eight

3.32 Kg (7 lbs, 5 oz)

Input/Output Connector Type

BNC-type

Certification

UA840A: Listed by UL and CUL (U.S. and Canada), IC

and

FCC; IC Certified (Canada)

UA840:

VDE GS-Certified; Eligible for CE Marking; EMC

Approved

under ETS 300 445

This symbol indicates that dangerous voltage

constituting a risk of electric shock is presen

within

this unit.

This

symbol indicates that there are important

operating and maintenance instructions in the

literature

accompanying this unit.

Furnished Accessories

1/2-Wave

Antenna

UA820A.

. . . . . . . . . . . . . . . . . . . . . . . . .

ft. Coaxial Antenna Cable (RG-58)

UA802.

. . . . . . . . . .

Optional Accessories

UHF

Active Remote Antenna

UA830*.

. . . . . . . . . . . . . . .

ft. Coaxial Cable (RG-8/X)

UA825.

. . . . . . . . . . . . . . . .

ft. Coaxial Cable (RG-8/X)

UA850.

. . . . . . . . . . . . . . . .

* Request compatible frequency range

Replacement Parts

Hardware

Kit

90VL1371.

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Bulkhead

Adapters

95A8647.

. . . . . . . . . . . . . . . . . . . . . . .

120

AC Power Line Cord

95A8389.

. . . . . . . . . . . . . . . . .

230

AC Power Line Cord

95A8247.

. . . . . . . . . . . . . . . . .

230

AC Power Line Cord (U.K.)

95A8713.

. . . . . . . . . . .

120

AC, 18-in. Power-Through Cord

95A8576.

. . . . . . .

230

AC, 18-in. Power-Through Cord

95A8676.

. . . . . . .

LICENSING AND WARRANTY INFORMATION

Warranty

Shure Brothers Inc. (“Shure”) hereby warrants that

these products will be free from defects in material and

workmanship

for a period of one year from the date of pur

chase.

At its option, Shure will repair or replace the defec

tive

product and promptly return it to

you, or refund the pur

chase price. Retain proof of purchase to validate the pur-

chase

date and return it with any warranty claim. If you be

lieve this product is defective within the warranty period,

carefully

repack the unit, insure it, and return it postpaid to:

Shure

Brothers Inc.

Attention: Service Department

222 Hartrey A

venue

Evanston, IL 60202-3696 U.S.A.

For

service outside the United States, return the

prod

uct

to your authorized Shure Distribution Center

All

claims of defects or shortage should be directed to

the above address. Please furnish model number

, operat

ing

frequency

, and date, place and proof of purchase (such

a copy of your sales receipt) to establish warranty

. Y

our

letter

should include all pertinent details including applica

ble model or part numbers and a brief description of the

problem.

Do not mail any units or parts to Shure unless re

quested

to do so by Shure’

s Service Department. Any re

turned items must have prior authorization. Unauthorized

returns are delayed in handling; these delays can be

avoided

by contacting Shure in advance and furnishing the

necessary

information.

Shure

reserves the right to make design changes and

product improvements on any previously manufactured

products.

Shure also reserves the right to ship new and/or

improved products which are similar to the form, fit and

function

of the originally ordered products.

Licensing

Changes or modifications not expressly approved by

Shure

Brothers Inc.

could void your authority to operate the

equipment.

Licensing of Shure wireless microphone equip

ment

is the user

’

s responsibility

, and licensability

depends

on the user

’

s classification and application, and on

the

lected frequency

. Shure strongly urges the user

contact

the appropriate telecommunications authority concerning

proper licensing, and before choosing and ordering fre-

quencies

other than standard frequencies.

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