Audio Technica ATW-901a/G, ATW-901a/H, ATW-901a/L, ATW-902a Installation And Operation Manual

@audio-technica

System 9

VHF

Wireless System

Installation and Operation

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PEAK

ATW-901a/G

Gu

itar System

ATW-901a/H

Headworn Microphone System

ATW-901a/L

Lavalier Microphone System

ATW-902a

Handheld Microphone System

@audio-technica

2

System 9 Installation

This device complies with part
to

the condition that this device does

A copy

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the

www.audio-technica.com.

This device
standard(s) .. Operation is subject
this device may

interference, including interference that may cause undesired

any
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Because System 9 packaging is designed
of

the system, some compartments in the carton may be intentionally

empty.

left

The

A1W-R900a receiver includes a switching power supply that

to

automatically adapts

The versatile
a high-impedance input for
with
microphones. The
unidirectional dynamic microphone element.

Both
and have

A1W-T901 a UniPak body-pack transmitter has both

bias connection for use

the

body-pack and handheld transmitters use internal AA batteries

Power/Mute switches

changes in mains voltage.

instruments, and a low-impedance input

with dynamic and electret condenser

A1W-T902a handheld transmitter features a

and

hold all versions

inputTrim (level) adjustments.

Receiver Installation

Location

For best operation the receiver should be

(1

ground and at least 3'
minimize reflections. Keep the receiver antennas away from noise
sources such
lights. as
systems, position receivers at least 3'
transmitters at least 6'

so

maximum

as

well as

RF

performance.

m) away from a wall or metal surface

digital equipment, motors, automobiles and neon

away from large metal objects

(2

m) from the receivers

at

least 3'

In

multi-channel

(1

m) apart and keep operating

to

help assure

(1

m)

above the

to

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illciilli4ualll

Arw source
functioning
low-power transmitters
to

cause cMficulty, especially
However, since a "body-pacl::"•
the .

pockefVo~here

Note

transmitting source

medical-device proviqer.

prOblems

Thank you for choosing

system.
have chosen our products because
reliability. This wireless microphone system is the successful result
years

Audio-Technica's Sys
system designed
easy setup and clear, natural sound quality. Featuring stackable,
contemporary styling,
guitar,
compatible user-switchable channels in one
frequencies

Each
and either a body-pack transmitter or a handheld microphone/transmitter.
A1W-

-packag

pre
headworn microphone
All A-T Wireless Essentials® microphones and
are pre-terminated for use with any

of
of

the

body,we

suggest·attachil'1g it.

it

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With:the'.useofthis

You

have joined thousands

of

design and manufacturing experienc

lavalier and body-pack configurations. The sys

(169.505, 170 245, 171.045, and

System 9 professional

901a

UniPak®body-pack transmitter systems include models
ed

with

Wifh·.im,plinted

cardiac.

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(radio frequency). energy

implanted device.

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mic

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System 9

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Audio-Technica professional

9 is a four-channel frequency-agile wireless

is

VHF

wireless system includes a receiver

or a lavalier

mayinterfere

All

wireless microphones:

output

transmitter typically

the belt,

rather

ad)~.nHo

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available in handheld, headworn.

A1W-901

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equipment.

other

satisfied customers w ho

their quality, performance and

e.

of

171

mic

(JL)

cables, available separately,

system.

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Connections

There are
unbalanced. Use shielded audio cable for
receiver and the mixer.
ca
housing
connect
panel

ble

two

audio outputs on the back panel: balanced and

from

to

1

the

to

the mixer. If the input

ab

le from the balanced XLR-type audio

a c
the mixer.

If the input of the mixer

/4 unbalanced audio output on the back

of

the mixer

Power Connection

Connect the
power
hook on

an

by
120 Volt 60 Hz

(Note that the receiver has no power
energized whenever the
the

AC

sys

tem

DC

plug on the included

inp

ut

on the back

the

back

accident

al

AC

outlet. Unplug the power supply

is not in use - both for safety, and

of

the

of

the receiver, to keep the plug from being detached

tug

on

pow

er outlet.

receiver. Secure

the cord. Then plug the adapter into a standard

power

adapter is connected and plugged into

Antennas

A novel

"dipo

le" antenna system on the receiver improves operation
by providing a
element. Position the
position the left
antenna horizontally,
that performs better in your operating environment.
extend both antennas
their bases and pulling o
be swiveled to the
screwing/unsc
receiver. For best
in direct line-of-sight

"ground"

re

element in addition

two

antenn

as

at 90° in the form

("signal ") antenna vertically and

in

the shape

to

the1r

ut

left and right, but

wing motion.

performance, locate the receiver so

to

the transmitter's likely operating position.

of

an

full 15' (38 em) length by holding

on their caps. Both antenna elements may

do

To

do so may damage the antenna and/or

the

connection between the

1

is

a

/4 jack, connect a

of the

receiver

is

an

XLR

-type input,

out

put on the back

AC

power adapter

the

Off/On switch. The receiver will be

from

the

to

conserve ener

to

the usual "signal"

"L.:'

(Fig. A). Use the position

not atte

mpt

to the

cord over the cord

AC

outlet

when the

gy.)

of

a "V;' or

the

right ("ground")

Be

certain

to

rotate

them

its an

tennas are

DC

to

them

at

in a

Receiver Controls and Functions

3

System 9 Installation and Operation

0--------

@audio-technica

Figure A - Front Panel Controls

1.

ANTENNAS: Position the "signal" antenna
"ground"
extend both antennas by pulling on the endcaps.

2.

RF

3. CHANNEL SELECT BUTION: Soft-touch button selects channel.

4. CHANNEL INDICATOR
selected. A channel indicator
to

5.

AF
is
position

antenna

INDICATOR: Lights to

the receiver.

PEAK

INDICATOR: Only light s

present at maximum modulation.

of

(1

b)

Volume control.

as

shown

show

LIGHTS

and

Functions

(1a)

to

the right and above right. Fully

presence

Lights

LED

will light when power

when

Not

and

of

transmitter signal.

to

show which channel is

audio distortion

affected by

is

applied

---~

t

Figure 8 -

1.

SQUELCH CONTROL: Adjusts level
(preset at fac

2.

VOLUME CONTROL: Adjusts the audio level at
output jacks. Does
UNBALANCED AUDIO OUTPUT JACK:

3.
phone jack. Use a shield
aux-level

4. BALANCED AUDIO OUTPUT JACK: XLRM-type conne ctor. A
standard 2-conduc
receiver output
integrated

5. POW
included
CORD HOO

6.
the

Rear

Panel Controls

tory

but can be adjusted as circumsta nces warrant).

not

input

of

a mixer or amplifier.

tor

shielded cable can be used

to

a balanced microphone-level input on a mixer or

amplifier.

ER

INPUT JACK: Connect the
AC

adapter.

K:

Loop the co

DC

plug from pulling

affect

ed cable

rd

out

and

Functions

of

AF

Peak

indicator.

to

conne

DC

plug from the

around

the cord

accidentally.

noise-muting circuit

1

/4

TS

ct

the '/4 and XLRM

(Tip-Sleeve)

to

an

unbalanced

to

connect

hook

to

keep

or

"mono"

the