181

Bon

etti

Driv

eSa

n Lu

is O

bisp

o, C

A 93

401

ph: 8

05-5

49-0

161

fax:

805

-549

-016

3e-

mai

l:usl

@us

linc.

com

Dec

embe

r, 20

10

- 1 -

- 10

-

- 9 -

- 2 -

SAFE

TY IN

STRU

CTIO

NS....

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........

...2UP

C-21

FEA

TURE

S.....

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.. 3

UPC-

21 IN

STAL

LATI

ON....

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.... 4

AUDI

O &

POW

ER C

ONNE

CTIO

NS....

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... 5

PREL

IMIN

ARY

LEVE

L SE

TTIN

GS....

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.... 6

MOUN

TING

THE

EMI

TTER

........

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.... 6

INST

ALLA

TION

USI

NG T

WO

IRC-

21S.

........

........

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........

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........

........

. 8FA

CTS

ABOU

T IN

FRAR

ED T

RANS

MISS

ION

SYST

EMS.

........

........

........

... 9

Illus

trat

ions

:

UPC

FEAT

URES

........

........

........

........

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........

........

........

........

... 3

UP

C-21

AUD

IO, P

OWER

CON

NECT

IONS

........

........

........

........

.. 5

SU

MMIN

G RE

SIST

OR N

ETW

ORK.

........

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..... 5

DI

ODE

LIFE

EXP

ECTA

NCY

CHAR

T......

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........

...... 7

FR

ONT

AND

REAR

MOU

NTED

VIE

WS.

........

........

........

........

..... 7

IN

STAL

LATI

ON U

SING

2 IR

C-21

S.....

........

........

........

........

........

. 8

TAB

LE O

F C

ON

TEN

TS

1) R

ead

thes

e in

stru

ctio

ns.

2) K

eep

thes

e in

stru

ctio

ns.

3) H

eed

all w

arni

ngs.

4) F

ollo

w a

ll in

stru

ctio

ns.

5) D

o no

t use

this

app

arat

us n

ear w

ater

.6)

Cle

an o

nly

with

dry

clo

th.

7) D

o no

t blo

ck a

ny v

entil

atio

n op

enin

gs. I

nsta

ll in

acc

orda

nce

with

the

man

ufac

ture

r’s

inst

ruct

ions

.8)

Do

not i

nsta

ll ne

ar a

ny h

eat s

ourc

es s

uch

as ra

diat

ors,

hea

t reg

iste

rs, s

tove

s, o

r oth

er

appa

ratu

s (in

clud

ing

ampl

ifier

s) th

at p

rodu

ce h

eat.

9) D

o no

t def

eat t

he s

afet

y pu

rpos

e of

the

pola

rized

or g

roun

ding

-type

plu

g. A

pol

ariz

ed

plug

has

two

blad

es w

ith o

ne w

ider

than

the

othe

r. A

grou

ndin

g ty

pe p

lug

has

two

blad

es

and

a th

ird g

roun

ding

pro

ng. T

he w

ide

blad

e or

the

third

pro

ng a

re p

rovi

ded

for y

our

safe

ty. I

f the

pro

vide

d pl

ug d

oes

not f

it in

to y

our o

utle

t, co

nsul

t an

elec

trici

an fo

r rep

lace

-m

ent o

f the

obs

olet

e ou

tlet.

10) P

rote

ct th

e po

wer

cor

d fro

m b

eing

wal

ked

on o

r pin

ched

par

ticul

arly

at p

lugs

, con

ve-

nien

ce re

cept

acle

s, a

nd th

e po

int w

here

they

exi

t fro

m th

e ap

para

tus.

11) O

nly

use

atta

chm

ents

/acc

esso

ries

spec

ified

by

the

man

ufac

ture

r.

12) U

se o

nly

with

the

cart,

sta

nd, t

ripod

, bra

cket

, or t

able

spe

cifie

d by

the

m

anuf

actu

rer,

or s

old

with

the

appa

ratu

s. W

hen

a ca

rt is

use

d, u

se c

autio

n

w

hen

mov

ing

the

cart/

appa

ratu

s co

mbi

natio

n to

avo

id in

jury

from

tip-

over

.13

) Unp

lug

this

app

arat

us d

urin

g lig

htni

ng s

torm

s or

whe

n un

used

for l

ong

perio

ds o

f tim

e.14

) Ref

er a

ll se

rvic

ing

to q

ualif

ied

serv

ice

pers

onne

l. S

ervi

cing

is re

quire

d w

hen

the

ap-

para

tus

has

been

dam

aged

in a

ny w

ay, s

uch

as p

ower

-sup

ply

cord

or p

lug

is d

amag

ed,

liqui

d ha

s be

en s

pille

d or

obj

ects

hav

e fa

llen

into

the

appa

ratu

s, th

e ap

para

tus

has

been

ex

pose

d to

rain

or m

oist

ure,

doe

s no

t ope

rate

nor

mal

ly, o

r has

bee

n dr

oppe

d.

WA

RN

ING

To re

duce

the

risk

of fi

re o

r ele

ctric

sho

ck, d

o no

t exp

ose

this

app

lianc

e to

rain

or m

oist

ure.

IMPO

RTA

NT

SAFE

TY IN

STR

UC

TIO

NS

- 3 -

- 8 -

1. M

ain

Con

nect

or; c

onsi

stin

g of

the

follo

win

g:

a. P

ins

1 &

2: D

C P

ower

Inpu

t Ter

min

als.

Con

nect

the

outp

ut le

ads

of th

e U

SL

supp

lied

32V

DC

pow

er

su

pply

to p

ins

1 an

d 2.

Con

nect

the

red

wire

to p

in 1

.

b. P

in 3

: AC

Gro

und

Term

inal

.

Th

is te

rmin

al m

ay b

e co

nnec

t to

an e

arth

gro

und

conn

ectio

n

if

requ

ired

by lo

cal b

uild

ing

code

s.

c. P

in 4

: Aud

io S

yste

m G

roun

d.

C

onne

ct to

the

shie

ld o

f shi

elde

d-pa

ir in

put c

able

.

d. P

in 5

& 6

: Aud

io In

put T

erm

inal

s.

B

alan

ced,

diff

eren

tial i

nput

. Con

nect

the

two

wire

s of

a s

hiel

ded

pa

ir in

put c

able

to th

ese

term

inal

s. If

the

sour

ce is

unb

alan

ced,

conn

ect o

ne o

f the

wire

s to

the

shie

ld a

t the

sou

rce

end

of

th

e ca

ble

to m

inim

ize

grou

nd lo

op n

oise

.

2. In

put R

ange

Sel

ecto

r.

With

bot

h sw

itche

s in

the

uppe

r pos

ition

, the

aud

io c

hann

el in

put l

evel

ra

nge

is 0

.1 to

1.0

Vrm

s. W

ith b

oth

switc

hes

in th

e lo

wer

pos

ition

, the

in

put r

ange

is fr

om 2

to 2

0 Vr

ms

(sui

tabl

e fo

r spe

aker

am

plifi

er o

utpu

t

le

vels

).

3. S

igna

l Pre

senc

e In

dica

tor.

In

dica

tes

prop

er a

udio

leve

l whe

n lig

ht b

links

at t

he p

eaks

of t

he s

ound

.

Con

nect

an

IRP

-20

DC

pow

er s

uppl

y to

eac

h of

the

IRC

-21s

. Con

nect

a 7

5 oh

m c

oaxi

al c

able

from

the

RF

OU

T co

nnec

tor o

n th

e un

it be

ing

driv

en w

ith

audi

o (th

e m

aste

r) to

the

RF

IN c

onne

ctor

on

the

slav

e un

it. A

dditi

onal

sla

ve

pane

ls m

ay b

e si

mila

rly c

asca

ded

from

the

first

sla

ve p

anel

. On

the

mas

ter

pane

l, tu

rn o

n th

e in

tern

al R

F S

ourc

e sw

itch,

and

turn

off

the

exte

rnal

RF

Sou

rce

switc

h. O

n sl

ave

pane

ls, t

urn

on th

e ex

tern

al R

F S

ourc

e sw

itch

and

turn

off

the

inte

rnal

RF

sour

ce s

witc

h.

AN

INST

ALL

ATIO

N U

SIN

G T

WO

IRC

-21S

- 7 -

- 4 -

4. A

udio

Inpu

t lev

el A

djus

tmen

t.

Adj

ust i

nput

leve

l so

that

onl

y th

e pe

aks

of th

e au

dio

sign

al li

ght t

he L

ED

“Sig

nal P

rese

nce”

indi

cato

r. If

the

LED

is o

n co

nsta

ntly,

the

audi

o le

vel

is to

o hi

gh a

nd th

e ch

anne

l is

clip

ping

.

5. C

ompr

essi

on S

lope

Adj

ustm

ent.

A

djus

ts c

ompr

essi

on fr

om 1

:1 to

3:1

with

2:1

at t

he a

ppro

xim

ate

cent

er

of th

e ra

nge.

Impr

oves

inte

lligi

bilit

y of

low

leve

l dia

log.

6. R

F So

urce

Sw

itch.

S

elec

ts s

ourc

e of

IR R

F m

odul

atio

n to

be

radi

ated

by

this

em

itter

pan

el.

The

left

switc

h fe

eds

the

loca

l aud

io m

odul

ated

RF

to th

e em

itter

pan

el.

The

right

sw

itch

conn

ects

the

emitt

er p

anel

to a

n ex

tern

al s

ourc

e, s

uch

as

ano

ther

IRC

-21

loca

ted

in a

noth

er c

orne

r of t

he a

udito

rium

.

7.

RF

Inpu

t and

Out

put B

NC

Con

nect

ors.

Th

e R

F In

put c

onne

ctor

acc

epts

RF

from

ano

ther

IRC

-21

for r

adia

tion

fro

m th

is e

mitt

er p

anel

. The

RF

outp

ut c

onne

ctor

feed

s th

e m

odul

ated

R

F ou

tput

from

this

mod

ulat

or to

ano

ther

pan

el.

One

sys

tem

man

ual

One

IRC

-21

Em

itter

Pan

el

One

IRP

-20

32V

DC

Pow

er S

uppl

y

One

Mou

ntin

g B

rack

et c

ompo

sed

of 1

ea.

IRB

S-2

0 &

IRB

E-2

0

Two

10-3

2 x

5/8

mac

hine

scr

ews

for a

ttach

ing

the

emitt

er p

anel

to

the

mou

ntin

g br

acke

t.

Unp

ack

the

cart

on a

nd v

erify

that

all

mat

eria

ls a

re p

rese

nt.

Ther

e sh

ould

be:

UP

C-2

1 In

stal

latio

n

You

will

nee

d to

sup

ply

the

follo

win

g m

ater

ials

:A

smal

l jew

eler

’s ty

pe fl

at b

lade

scr

ewdr

iver

or t

rim p

ot a

lignm

ent

tool

for a

djus

ting

the

inpu

t aud

io le

vels

.

A m

ediu

m fl

at b

lade

scr

ewdr

iver

for a

ttach

ing

the

mou

ntin

g br

acke

t.

Shi

elde

d, tw

o co

nduc

tor a

udio

cab

le fo

r con

nect

ion

of th

e IR

C-2

1 to

the

prog

ram

sou

rce.

If th

e co

rd o

n th

e IR

P-2

0 po

wer

sup

ply

is n

ot lo

ng e

noug

h, y

ou w

ill

need

add

ition

al #

18 A

WG

or l

arge

r tw

o or

thre

e co

nduc

tor c

able

to

exte

nd th

e D

C o

utpu

t cab

le. I

f thr

ee c

ondu

ctor

cab

le is

use

d, th

e th

ird c

ondu

ctor

can

mak

e th

e sa

fety

gro

und

conn

ectio

n

Tool

s an

d ha

rdw

are

to a

ttach

the

mou

ntin

g br

acke

t to

the

wal

l

One

IRH

-501

or I

RH

-701

rece

iver

.

- 5 -

- 6 -

Con

nect

the

cent

er c

hann

el s

peak

er te

rmin

als

to th

e +

and

- (gr

ound

) aud

io

inpu

t ter

min

als

on th

e IR

C-2

1 as

in F

ig C

. If t

he c

ente

r cha

nnel

is b

i-am

ped,

yo

u m

ust c

onst

ruct

a r

esis

tor

netw

ork,

as

in F

ig. D

, tha

t sum

s th

e hi

gh a

nd

low

freq

uenc

y si

gnal

s, th

en fe

ed th

e ou

tput

of t

he n

etw

ork

to th

e IR

C-2

1 au

dio

inpu

t. Yo

u al

so m

ay c

onne

ct th

e IR

C-2

1 in

put

to th

e ou

tput

of a

mon

itor o

r a

proc

esso

r.

CO

NN

ECT

THE

AU

DIO

INPU

T LI

NE

CO

NN

ECT

THE

IRP-

20 D

C P

OW

ER P

AC

K

Con

nect

the

prov

ided

IRP

-20

DC

pow

er s

uppl

y to

the

IRC

-21

pow

er in

put t

erm

inal

s (1

an

d 2)

. If t

he D

C s

uppl

y ca

ble

need

s to

be

exte

nded

, ref

er

to ta

ble

1 fo

r sug

gest

ed w

ire

size

s. M

ake

sure

ther

e ar

e no

loos

e w

ire s

trand

s at

the

term

inal

s to

avo

id p

oten

tial

shor

t circ

uits

.

D

O N

OT

SHO

RT

THE

POW

ER S

UPP

LY!

Con

nect

the

pow

er s

uppl

y to

an

AC

out

let (

100

- 240

VAC

, 50

/60H

z) u

sing

the

supp

lied

or a

sta

ndar

d IE

C p

ower

cor

d.

P

REL

IMIN

ARY

LEV

EL S

ETTI

NG

Run

pro

gram

mat

eria

l with

HI a

udio

. Set

the

com

pres

sion

slo

pe to

2:1

.A

djus

t the

app

ropr

iate

DIP

sw

itche

s an

d in

put l

evel

con

trols

to c

ause

the

audi

ole

vel L

ED

s to

flas

h dr

uing

nor

mal

pro

gram

min

g, b

ut n

ot to

sta

y lit

con

tinuo

usly.

Try

liste

ning

on

IR h

eadp

hone

s. If

nec

essa

ry, a

djus

t com

pres

sion

to b

ring

up

low

leve

ls o

r red

uce

nois

e.

N

ote:

The

IRC

-20

has

an a

utom

atic

shu

toff

circ

uit.

The

unit

will

sh

ut it

self

off a

fter a

thirt

y-m

inut

e ab

senc

e of

aud

io in

put.

W

hen

the

audi

o re

sum

es, t

he p

anel

will

sw

itch

on im

med

iate

ly.

M

ount

ing

the

Emitt

er/M

odul

ator

at t

he fr

ont o

f the

aud

itoriu

m (S

ee F

igur

es F

and

G) A

ttach

the

supp

lied

mou

ntin

g br

acke

t to

the

wal

l sur

face

an

d us

e th

e su

pplie

d sc

rew

s to

atta

ch th

e br

acke

t to

the

emitt

er. A

llow

free

airf

low

ar

ound

the

emitt

er a

nd b

e su

re to

hav

e at

leas

t eig

ht in

ches

cle

aran

ce fr

om a

ll su

rface

s, p

refe

rabl

y m

ore

if at

all

poss

ible

. The

rear

pan

el is

use

d as

a h

eat s

ink

and

the

heat

mus

t be

allo

wed

to d

issi

pate

. The

uni

t sho

uld

be m

ount

ed to

the

side

of

the

scre

en/s

tage

are

a, 1

2 to

15

feet

abo

ve th

e au

dien

ce’s

hea

ds a

nd p

oint

ed

dow

nwar

d an

d in

to th

e se

atin

g ar

ea.

M

ount

ing

the

Emitt

er/M

odul

ator

at t

he re

ar o

f the

aud

itoriu

m

Atta

ch th

e su

pplie

d m

ount

ing

brac

ket t

o th

e w

all s

urfa

ce a

nd u

se th

e su

pplie

d sc

rew

s to

atta

ch th

e br

acke

t to

the

emitt

er. A

llow

free

airf

low

aro

und

the

emitt

er

and

be s

ure

to h

ave

at le

ast f

our i

nche

s cl

eara

nce

from

all

surfa

ces,

pre

ferr

ably

m

ore.

The

rear

pan

el is

use

d as

a h

eat s

ink

and

mus

t be

allo

wed

to d

issi

pate

hea

t. Th

e em

itter

will

cov

er u

p to

5,5

00 s

quar

e fe

et (6

0 x

84 fe

et).

The

emitt

er is

typi

-ca

lly m

ount

ed n

ear t

he p

roje

ctor

win

dow

. The

pan

el s

houl

d be

“aim

ed” t

owar

ds th

e sc

reen

. Thi

s ty

pica

lly re

sults

in th

e pa

nel b

eing

ver

tical

and

par

alle

l to

the

rear

wal

l of

the

audi

toriu

m. A

imin

g th

e pa

nel t

owar

ds th

e sc

reen

pro

vide

s ad

ditio

nal a

udito

-riu

m c

over

age

from

scr

een

refle

ctio

n.

CA

UTI

ON

: The

rear

pan

el m

ay g

et q

uite

war

m to

the

touc

h. T

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