FREEWAY ATW-701 Manuale del proprietario

700 Series Professional

UHF Wireless Systems

AT -701 UniPak®Transmitter System

AT -701/G Guitar System

AT -701/H eadworn Microphone System

AT -701/H92 eadworn Microphone System

AT -701/H92-TH eadworn Microphone System

AT -701/L Lavalier Microphone System

AT -702 andheld Dynamic Microphone System

Installation and Operation

Professional UHF Wireless Systems

Installation and Operation

CAUTION! Electrical shock can result from removal of the

receiver cover. Refer servicing to qualified service personnel.

No user-serviceable parts inside. Do not expose to rain or

moisture.

The circuits inside the receiver and transmitter have been

precisely adjusted for optimum performance and compli-

ance with federal regulations. Do not attempt to open the

receiver or transmitter. To do so will void the warranty,

and may cause improper operation.

This device complies with part 15 of the FCC Rules.

Operation is subject to the condition that this device does

not cause harmful interference.

This device complies with INDUSTRY CANADA R.S.S. 210,

en conformité avec IC: RSS-210/CNR210. Operation is sub-

ject to the following conditions: 1) This device may not

cause harmful interference and 2) this device must accept

any interference received, including interference which

may cause undesired operation. Changes or

modifications not expressly approved by Audio-Technica

could void your authority to operate this equipment.

The ATW-R700 receiver features Diversity Reception. Logic

circuitry monitors reception, selecting the superior signal from

two antennas, providing better sound quality and reducing the

possibility of interference and dropouts. Soft-touch controls

provide convenient access to selection of operating frequency

and automatic scanning, while an LED display indicates

selected channel and scanning operation.

The versatile ATW-T701 UniPak

body-pack transmitter has both

low- and high-impedance inputs plus a bias connection, for use

with dynamic and electret condenser microphones, as well as

i-Z instrument pickups. The UniPak

transmitter also offers

separate trim controls for guitar and microphone, plus

switchable high/low RF power.

The ATW-T702 handheld dynamic microphone/transmitter

features a rugged dynamic unidirectional element designed for

professional live-sound venues.

Transmitters in the 700 Series use two 1.5V AA batteries for

economical operation and wide availability. Both transmitters

also feature a multi-color Power/Mute/Battery indicator.

700 Series receivers feature a sophisticated Tone Lock™tone

squelch system that opens the receiver's audio output only

when a 700 Series transmitter is detected, reducing the

possibility of interference. As a result, 700 Series transmitters

and receivers must be used together and should not be used

with components from other Audio-Technica wireless systems,

or with those of other manufacturers.

Please note that in multiple-system applications there must be

a transmitter-receiver combination set to a separate channel

(frequency) for each input desired (only one transmitter for each

receiver).

Because the wireless frequencies are within U F TV frequency

bands, only certain channels (operating frequencies) may be

useable in a particular geographic area. The eight channels

(operating frequencies) that are used in the 700 Series have

been selected for multi-channel compatibility. Subject to

frequency availability in a particular geographic area, any of

these eight channels may be used together.

The operating frequencies that correspond to each of the eight

channels are listed on page 7.

Introduction

Notice to individu ls with implanted cardiac pacemakers

or AICD devices:

Any source of RF (radio frequency) energy may interfere with

normal functioning of the implanted device. All wireless

microphones have low-power transmitters (less than 0.05

watts output) which are unlikely to cause difficulty, especially

if they are at least a few inches away. owever, since a “body-

pack” mic transmitter typically is placed against the body, we

suggest attaching it at the belt, rather than in a shirt pocket

where it may be immediately adjacent to the medical device.

Note also that any medical-device disruption will cease when

the RF transmitting source is turned off. Please contact your

physician or medical-device provider if you have any questions,

or experience any problems with the use of this or any other

RF equipment.

Thank you for choosing an Audio-Technica professional wireless

system. You have joined thousands of other satisfied customers

who have chosen our products because of their quality,

performance and reliability. This Audio-Technica wireless

microphone system is the successful result of years of design

and manufacturing experience.

Each 700 Series wireless system provides a choice of eight

PLL synthesized U F frequencies in the 542-561 M z band

(TV channels 26-29). All 700 Series wireless systems offer both

manual and automatic frequency scanning. Each wireless

system includes a receiver and either a body-pack or handheld

transmitter. Individual components are also available separately.

Loc tion

For best operation the receiver should be at least 3 ft. (1 m)

above the ground and at least 3 ft. away from a wall or metal

surface to minimize reflections. The transmitter should be at

least 3 ft. from the receiver, as shown in Figure A. Keep

antennas away from noise sources such as digital equipment,

motors, automobiles and neon lights, as well as away from

large metal objects.

Output Connections

There are two audio outputs on the back panel: balanced

(-16.5 dBV) and unbalanced (-13.5 dBV). Use shielded audio

cable for the connection between the receiver and the mixer. If

the input of the mixer is a 1/4" jack, connect a cable from the 1/4"

unbalanced audio output on the back of the receiver housing

to the mixer. If the input of the mixer is an XLR-type input,

connect a cable from the balanced XLR-type audio output on

the back panel to the mixer.

Receiver Installation

Antenn s

Extend the permanently attached U F antennas. The antennas

are normally positioned in the shape of a “V” (both 45° from

vertical) for best reception. Diversity Indicators on the receiver

front panel will indicate which antenna is active.

Power Connections

Connect the DC plug on the included AC power adapter to the

DC power input on the back of the receiver. Secure the cord

over the cord hook on the back of the receiver, to keep the plug

from being detached by an accidental tug on the cord. Then

plug the adapter into a standard 120 Volt 60 z AC power outlet.

Figure A

Receiver Controls and Functions

Figure B1-Antenn Position

Figure B2-Front P nel Controls nd Functions

1. ANTENNAS: Position the antennas as shown in Figure B1.

Fully extend both antennas by pulling on the endcaps.

2. AF PEAK INDICATOR: Indicates when maximum transmitter

modulation without distortion has been reached. Not affected

by position of Volume control (Fig. C).

3. LED WINDOW: LED Display indicates channel setting and

scanning operation.

4. DIVERSITY INDICATORS: Indicates which antenna (A or B)

has better reception and is in operation.

5. SELECT BUTTON (for m nu l ch nnel selection):

Press the Select button repeatedly until desired channel is

reached. Press and hold the Set/Scan button to manually

set the receiver to indicated channel. Channel number will

stop flashing. (A brief touch of the Set/Scan button will

revert to previously set channel). If the Set button is not

pressed within 10 seconds to confirm the selection, the

system will revert to its original channel.

6. SET/SCAN BUTTON: The Set/Scan button can be used in

two ways: 1) in conjunction with the Select button to permit

manual selection of an operating channel in M nu l Set

Mode (see “Select button” description above); and 2)

Automatic Scan/Set Mode, to initiate the automatic channel

scan and selection, as follows:

Autom tic Sc n/Set Mode: Press and hold the Set/Scan

button for about two seconds. The current channel will flash

three times quickly; then the system will begin to scan for

the next open channel. When it finds an open channel, it

will flash the open channel three times and then set the

channel. (If an open channel is not found, the automatic

scan will return to the original channel and flash 5 times.)

3 4 5 6

Receiver Controls and Functions (Continued)

8. UNBALANCED AUDIO OUTPUT JACK: 1/4"phone jack. Can

be connected to an unbalanced aux-level input of a mixer,

guitar amp or tape recorder.

9. AF LEVEL (VOLUME) CONTROL: Adjusts audio output level

of both AF Output jacks; maximum output is fully clockwise.

Figure C-Re r P nel Controls nd Functions

10. BALANCED AUDIO OUTPUT JACK: XLRM-type connector.

A standard 2-conductor shielded cable can be used to

connect the receiver output to a balanced microphone-level

input on a mixer or integrated amplifier.

11. CORD OOK: Loop the cord around the cord hook to keep

the DC plug from pulling out accidentally.

12. POWER INPUT JACK: Connect the DC plug from the included

in-line AC adapter.

Transmitter Setup, Controls and Functions

Figure D-UniP k Tr nsmitter

Handheld Transmitter Battery Installation

4. Unscrew the lower body cover, slide it downward, and

remove it to expose the battery compartment.

5. Observe correct polarity as marked inside the battery

compartment and carefully insert two fresh 1.5V AA alkaline

batteries. Insert the first battery and slide it toward the

spring contact. Then insert the second battery into the

space remaining. Make certain the batteries are fully seated

in the battery compartment. (Fig. E)

6. Slide the lower body cover back on and screw the housing

together. Do not overtighten.

Note: Remove batteries from the handheld transmitter starting

at the bottom end, where finger indents in the battery housing

are provided for easy grip.

Figure E-H ndheld Tr nsmitter B ttery Comp rtment

Screwdr ver

Transm tter

Door Catch

Battery

Compartment

Transm tter

Door

Battery

Compartment

RF Power

Select

Sw tch

Screwdr ver

Transm tter

Door

(Open

Pos ton)

Channel

Selector

Sw tch

B ttery Selection

Two 1.5V AA alkaline batteries are recommended.

UniPak

Transmitter Battery Installation

1. Open the transmitter door by first pulling the catch down

and then sliding the door upward (Fig. D).

2. Observe correct polarity as marked and carefully insert two

fresh 1.5V AA alkaline batteries (Fig. D).

3. Slide the door closed, making certain it clicks securely in

place.

ransmitter Setup, Controls And Functions

Figure F-UniP k

Tr nsmitter Top View

Figure G-H ndheld

Tr nsmitter Bottom

View

Input Connector

Power Sw tch

Power/Mute/

Battery Ind cator

Antenna

Power Sw tch

Power/Mute/B ttery Indic tor

After the battery is installed, press and hold the power button

until the battery indicator LED turns green (Fig. F & G). (It will

turn red first; keep holding until it turns green). If the battery

indicator LED does not light up when the power button is

pressed, the batteries are installed incorrectly or they are dead.

The LED will flash to indicate low-battery condition.

Mute Function

With the transmitter on, a slight touch of the Power/Mute

button will toggle between muted and unmuted operation.

Red LED indicates muted operation. Green LED indicates

unmuted operation.

UniP k

Tr nsmitter Input Connection

Connect an audio input device (microphone or guitar cable) to

the audio input connector on the top of the transmitter. A

number of Audio-Technica professional microphones and cables

are available separately, pre-terminated with a UniPak

input

connector (see www.audio-technica.com.)

UniP k

Tr nsmitter Antenn

The UniPak

transmitter includes a permanently-attached

flexible antenna. For best results, allow the antenna to hang

freely and full length from the transmitter. If the received signal

is marginal, experiment with different transmitter positions on

your body or instrument; or try repositioning the receiver. Do

not attempt to remove, replace or change the length of the

transmitting antenna.

System Operation

Plug in the receiver.

Receiver On…

The LED display will light up. If either A or B diversity indicators

lights up at this point (without transmitter on) there may be

interference in the area. If this occurs, change the operating

channel.

How to M ke Oper ting Ch nnel Ch nges

Operating channel changes (frequency changes) may be made in

two ways: manually and automatically.

To change channel manually

Press the Select button repeatedly until desired channel is

reached. Press and hold the Set/Scan button to manually set the

receiver to indicated channel. Channel number will stop

flashing. (A brief touch of the Set/Scan button will revert to

previously set channel). If the Set button is not pressed within

10 seconds to confirm the selection, the system will revert to its

original channel.

To change channel automatically

Press and hold the Set/Scan button for about two seconds. The

current channel will flash three times quickly; then the system

will begin to scan for the next open channel. When it finds an

open channel, it will flash the open channel three times and

then set the channel. (If an open channel is not found, the

automatic scan will return to the original channel and flash 5

times.)

Tr nsmitter On…

Before turning on the transmitter, use the provided screwdriver

to set the transmitter channel selector switches (Fig. D on page

4 and Fig. on page 6) to the same number that is displayed

on the receiver. Select channels 1-8 (channels 9 and 0 are for

service use). The transmitter may be either on or off when

changing channels (frequencies). When changing channels with

the transmitter on and unmuted, the LED will turn red as the

adjustment is being made; it will turn green when the channel

is set. (When changing channels with the transmitter on and

muted, the LED will remain red during and after channel

adjustment, as long as the transmitter is muted; when the

transmitter is unmuted, the LED will turn green.)

The transmitters have a soft-touch Power Switch. When the

transmitter is “on,” the transmitter produces both RF and audio.

When the transmitter is switched on and in normal operation,

the receiver's diversity indicators will display which antenna is

active.

Setting Levels

Correct adjustment of transmitter audio input, receiver audio

output, and mixer/amplifier input and output levels is important

for optimum system performance.

ATW-T702 Handheld Transmitter

The 700 Series handheld transmitter trim (volume) control

(Fig. on page 6) has factory pre-set audio input levels. Factory

setting is full clockwise, maximum gain.

Set the receiver's AF Level control to its full clockwise position

(maximum). (Fig. C on page 4).

While speaking/singing into the microphone at typically loud

levels, check the AF peak indicator on the receiver. If the AF

peak indicator is easily illuminated and distortion is heard

through the system, it may be necessary to adjust the transmitter

audio input level.

To adjust the transmitter audio input level, unscrew the lower

body cover and slide it downwards, exposing the screwdriver

and trim control (Fig. on page 6). Remove the screwdriver and

gently turn the trim control counterclockwise until the AF peak

indicator is illuminated only on audio peaks.

Return the screwdriver to its clip and close and secure the lower

body. No further transmitter gain adjustments should

be needed, as long as the acoustic input does not change

significantly.

Power/Mute/

Battery Ind cator

Setting Levels (Continued)

ATW-T702 Handheld Transmitter

CAUTION! The small trimmer controls are delicate; use only

the supplied screwdriver. Do not force the trimmers beyond

their normal 180° range of rotation.

Return the screwdriver to its storage clip when not in use.

ATW-T701 UniPak

Transmitter

Trim controls in the UniPak transmitter (Fig. I) will enable you to

use microphones or instruments with different output levels.

1. For MIC: Set MIC (microphone trim) control fully clockwise

(maximum) and INST (instrument trim) control fully counter

clockwise (low).

For INSTRUMENT: Set INST (instrument trim) control fully

clockwise (maximum) and MIC (microphone trim) control

fully counterclockwise (low).

2. Set the receiver's AF Level control to its full clockwise

position (maximum). (Fig. C on page 4).

3. Plug the mic or instrument into the transmitter and power

up the system.

4. For MIC: Make an initial adjustment of the mixer's level

controls that will allow audio through the system.

For INSTRUMENT: Make an initial adjustment of the

instrument amplifier input level control that will allow audio

through the system.

5. For MIC: While speaking/singing into the microphone at

typically loud levels, check the AF peak indicator on the

receiver. If AF peak indicator is easily illuminated and

distortion is heard through the system, it may be necessary

to adjust the transmitter audio input level. To adjust the

transmitter audio input level, gently turn the microphone

trim control counterclockwise until the AF peak indicator is

illuminated only on audio peaks.

For INSTRUMENT: While playing the instrument at typically

loud levels, check the AF peak indicator on the receiver. If

AF peak indicator is easily illuminated and distortion is heard

through the system, it may be necessary to adjust the

transmitter audio input level. To adjust the transmitter audio

input level, gently turn the instrument trim control

counterclockwise until the AF peak indicator is illuminated

only on audio peaks.

Figure H-H ndheld Tr nsmitter Interior View

System Operation (Continued)

6. For MIC: While again speaking/singing into the microphone

at typically loud levels, adjust the mixer's input trim control

so the highest sound pressure level going into the

microphone causes no input overload in the mixer, and yet

permits the mixer's channel and output level controls to

operate in their “normal” range (not set too high or too low).

For INSTRUMENT: While again playing the instrument at

typically loud levels, adjust the receiver's AF Level control

so the highest signal level causes no input overload in the

instrument amplifier and yet permits the amplifier's input

level controls to operate in their “normal” range (not set too

high or too low).

Note: If the mixer cannot be adjusted to operate in its normal

range without distortion, adjust the receiver's AF Level Control

(turn counterclockwise) until the mixer/amplifier is no longer

overloaded.

Note: RF power may be set to high or low via the RF power

select switch on the side of the UniPak transmitter. (Fig. I.)

While the high setting normally provides maximum operating

range, the low setting will help extend battery life. The low

setting may also be preferred in multi-channel systems, or when

operating very close to the receiver, to reduce the

possibility of interference or overload.

RF Interference

Please note that wireless frequencies are shared with other

radio services. According to Federal Communications

Commission regulations, “Wireless microphone operations are

unprotected from interference from other licensed operations in

the band. If any interference is received by any Government or

non Government operation, the wireless microphone must

cease operation...” If you need assistance with operation or

frequency selection, please contact your dealer or

Audio-Technica. Extensive wireless information is also available

on the Audio-Technica Web site at www.audio-technica.com.

Channel

Selector

Sw tch

Tr m Control (Volume)

Figure I-UniP k

Tr nsmitter Side Views

Instrument Tr m

Control (Volume)

Screwdr ver

RF Power

Select

Sw tch

M crophone Tr m

Control (Volume)

Transm tter

Door Catch

OVERALL SYSTEM

U F Operating Frequency 542.125 M z to 561.250 M z

Number of Channels 8

Frequency Stability ±0.005%, Phase Lock Loop Frequency

control

Modulation Mode FM

Maximum Deviation ±25 k z

Operating Range 200' typical

Operating Temperature Range 40º F (4ºC) to 110º F (43º C)

Frequency Response 100 z to 12 k z

RECEIVER

Receiving System Antenna Switching Diversity

Image Rejection 55 dB minimum

Signal-to-noise Ratio >80 dB at 10 k z deviation (IEC

weighted), maximum deviation 25 k z

Total armonic Distortion ≤1% (10 k z deviation @ 1 k z)

Sensitivity 25 dBµV (S/N 60 dB at 10 k z deviation,

IEC-weighted)

Audio Output

Unbalanced 211 mV (-13.5 dBV) (1 k z modulation,

10 k z deviation)

Balanced 150 mV (-16.5 dBV) (1 k z modulation,

10 k z deviation)

Output Connectors

Unbalanced 1/4" TS (“mono”) phone jack

Balanced XLRM-type

Power Supply 100-240 VAC (50/60 z) to 12V DC 1A

(center positive) switched mode, external

power supply

Dimensions 7.48" (190.0 mm) W x 1.65" (42.0 mm)

x 5.12" (130.0 mm) D

Net Weight 12.9 oz (365 g)

Accessory Included Power supply

Specifications†

UNIPAK®TRANSMITTER

RF Power Output igh: 10 mW; Low: 5 mW

Spurious Emissions Under Federal Regulations

Dynamic Range >100 dB, A-weighted

Input Connections igh impedance, Low impedance, Bias

Batteries (not included) Two 1.5V AA Alkaline

Current Consumption igh: 140 mA; Low: 130 mA, typical

Battery Life Approximately 8 hours ( igh); 10 hours

(Low), depending on battery type and use

pattern

Dimensions 2.56" (65.0 mm) W x 4.13" (105.0 mm)

x0.73” (18.5 mm) D

Net Weight (without batteries) 2.8 oz (80 g)

HANDHELD TRANSMITTER

RF Power Output 10 mW

Spurious Emissions Under Federal Regulations

Dynamic Range >100 dB, A-weighted

Microphone Element Dynamic Unidirectional

Batteries (not included) Two 1.5V AA Alkaline

Current Consumption 120 mA, typical

Battery Life Approximately 12 hours depending on

battery type and use pattern

Dimensions 9.65" (245.0 mm) long, 2.11" (53.5 mm)

diameter

Weight (without batteries) 9.1 oz (257 g)

Accessory Included AT8456a Quiet-Flex™stand clamp

†In the interest of standards development, A.T.U.S. offers full details on its test methods to

other industry professionals on request.

Specifications are subject to change without notice.

700 Series Frequency Ch nnel Pl n

Ch nnel Frequency - MHz TV Ch nnel

1542.125 26

2545.750

3 551.500 27

4 552.000

5 557.875 28

6 559.375

7560.500 29

8561.250

Each transmitter/receiver system operates on a choice of eight

switch-selected frequencies. Available frequencies are shown in

the chart. All frequencies may be combined for up to 8

simultaneous operating channels.

700 Series UHF Operating Frequencies

1. Use only fresh alkaline batteries. Do not use “general

purpose” (carbon-zinc) batteries.

2. Position the receiver so that it has the fewest possible

obstructions between it and the normal location of the

transmitter. Line-of-sight is best.

3. The transmitter and the receiver must be set to the same

frequency. Set or change transmitter frequency only

when its power is turned off.

4. The transmitter and the receiver should be as close

together as conveniently possible, but no less than six

feet (2 m.).

5. Yellow LED indicates the channel is set to service position

(0 or 9); please select a valid operating channel (1-8).

6. The receiver antennas should be kept away from any

metal.

7. A receiver cannot receive signals from two transmitters

at the same time.

8. If the AF Level control of the receiver is set too high, it

may over-drive the input of the mixer or clip the output of

the receiver, causing distortion. Conversely, if the receiver

output is set too low, the overall signal-to-noise ratio of

the system may be reduced. Adjust the output level of

the receiver so the highest sound pressure level going

into the microphone (or the loudest instrument playing

level) causes no input overload in the mixer, and yet

permits the mixer level controls to operate in their

“normal” range (not set too high or too low). This

provides the optimum signal-to-noise for the entire system.

9. In the UniPak

transmitter, the “Mic” or “Inst” input

control not in use should be set to minimum.

10. Turn the transmitter off when not in use. Remove the

battery if the transmitter is not to be used for a period of

time. Unplug the receiver from the AC outlet when the

system is not in use.

Ten T ips to Obt in the Best Results

For future reference, please record your system information here (the serial numbers appear inside the battery

compartment of each transmitter, and on the bottom of each receiver):

Receiver ATW-R700 S/N

UniP k

Body-P ck ATW-T701 S/N

Tr nsmitter

H ndheld Dyn mic ATW-T702 S/N

Microphone Tr nsmitter

Audio-Technic U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224 330/686-2600 www.audio-technica.com

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