Audio Technica ATW-D70 Owner's manual

Professional UHF Wireless Systems

ATW-D70 and ATW-D90

UHF Active Unity-gain Antenna Distribution Systems

Installation and Operation

AVIS

RISQUE DE CHOC ÉLECTRIQUE

NE PAS OUVRIR

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Caution/Avis:

Replace with same type 2.5A 250V fuse.

Utiliser un fusible de rechange de même type de 2.5A 250V.

Specifications

ATW-D70 and ATW-D90 Installation and Operation

The ATW-D70 is a UHF 728-750 MHz active unity-gain antenna distribution system. It has

two BNC antenna inputs, one for each antenna of a UHF diversity wireless system. Each

channel provides amplification to restore the loss due to signal-splitting. Each nominally

unity-gain input/amplifier section has four isolated BNC outputs.

Additionally, the ATW-D70 has four 12V DC (center

positive

) outputs to power up to four

ATW-R19 (or like-powered) receivers.

The ATW-D70 is supplied with rack adapters for use in standard 19" racks, eight BNC to BNC

coaxial interconnect cables, four DC interconnect cables, and an AC power cord.

The ATW-D90 is the same as the ATW-D70 except for 940-955 MHz operation.

Front Panel Controls and Functions (Fig. A)

1. Power Switch: Press switch on, and the “Power” indicator will light in a few seconds.

2. Power Indicator.

Rear Panel Controls and Functions (Fig. B)

3. AC Power Input: Attach the included AC power cord here.

4. Fuse Holder: To check or replace fuse, remove holder with a small screwdriver.

Replace fuse with 250V 2.5A fuse only.

5. Channel B Antenna Input Jack: Attach UHF antenna here. (Antenna and adapter both

included with ATW-R19 receiver.)

6. DC Output Jacks: Connect the included DC interconnect cables here to supply 12V DC

(center

positive

) to up to four ATW-R19 (or like-powered) receivers. These output jacks

also can power up to four ATW-R73 (or like-powered) receivers, when used with the

optional ATW-RDCP polarity-inverting DC interconnect cables.

7. Channel B Distribution System Output Jacks: Connect to antenna inputs on up to four

receivers with included BNC to BNC interconnect cables. Unused outputs do not require

termination.

8. Channel A Antenna Input Jack.

9. Channel A Distribution System Output Jacks.

Figure B: ATW-D70 rear view

OUTPUT

12V DC

POWER INPUT

90-260V AC

50-60 Hz

60W

OUTPUT

12V DC

ANTENNA A OUTPUT

ANTENNA AANTENNA B OUTPUT

ANTENNA B

341234INPUTINPUT

2Figure A: ATW-D70 front view

Input Impedance 50 ohms

Output Impedance 50 ohms

Useable Frequency Range

ATW-D70 728-750 MHz

ATW-D90 940-955 MHz

Nominal Amplifier Gain 0 dB, ±3 dB

Power Supply Input 90-260V AC, 50-60 Hz, 60W

DC Output 12V DC, center

positive

, 500 mA maximum per jack

Dimensions 16.93" (430.0 mm) W x 1.92" (48.8 mm) H x

7.60" (193.0 mm) D

Weight 5.7 lbs (2.6 kgs)

Accessories Included 1 power cord, 8 interconnect cables (BNC to BNC),

4 ATW-RDCN DC interconnect cables, 1 rack-mount kit

Optional Accessories ATW-RDCP: Polarity-inverting DC interconnect cables

(set of four) for use with ATW-R73 or like-powered

receivers (center

negative

DC jacks).

ATW-RA1: Rack-mount antenna kit brings antenna inputs

to the front of unit for ease of setup, or when receiver is

enclosed in a metal rack. Includes a pair of extendible

antennas suitable for UHF or VHF use.

2.5A 250V

5 6 7 8 6 9

To prevent electric shock, do not remove the cover. There are no user-serviceable parts

inside. Internal adjustments are for qualified professionals only. Refer all servicing to

qualified service personnel.

Pour prévenir un choc électrique, ne pas ouvrir le couvercle. Il n’y aucune pièces de

rechanges à l’intérieur. Tout ajustement interne doit être fait par une personne qualifié

seulement. Référez tout réparation au personnel qualifié.

Warning/Attention:

To prevent fire or shock hazard, do not expose this appliance to rain or

moisture.

Pour prévenir feu ou choc électrique, ne pas exposé l’appareil à la pluie

ou à l’humidité.

Prior to use of this product, review all safety markings and instructions.

One-Year Limited Warranty

Audio-Technica brand products purchased in the U.S.A. are warranted for one year from date of

purchase by Audio-Technica U.S., Inc. ( A.T.U.S.) to be free of defects in materials and workmanship.

In event of such defect, product will be repaired promptly without charge or, at our option, replaced

with a new product of equal or superior value if delivered to A.T.U.S. or an Authorized Service Center,

prepaid, together with the sales slip or other proof of purchase date.

Prior approval from A.T.U.S.

is required for return.

This warranty excludes defects due to normal wear, abuse, shipping damage,

or failure to use product in accordance with the instructions. This warranty is void in the event of

unauthorized repair or modification, or removal or defacing of the product labeling.

For return approval and shipping information,

contact the Service Dept., Audio-Technica U.S.,

Inc., 1221 Commerce Drive, Stow, Ohio 44224.

Except to the extent precluded by applicable state law,

A.T.U.S. will have no liability for any

consequential, incidental, or special damages; any warranty of merchantability or fitness for

particular purpose expires when this warranty expires.

This warranty gives you specific legal rights, and you may have other rights which vary from state to

state.

Outside the U.S.A., please contact your local dealer for warranty details.

Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224 330/686-2600

Audio-Technica Limited, Old Lane, Leeds LS11 8AG England (0)113 277 1441

www.audio-technica.com

Extensive information about using wireless systems and accessories is available on the Audio-Technica

Web site at www.audio-technica.com.

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