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200 Series Owners Manual  v.1 

7-6-06 

Page 8 of 9 

 
Extensive wireless information also is available on the A-T Web site at 
www.audio-technica.com. 

 

Application 

 

   Freq. 

Code 

 

 Freq. 

(MHz) 

• 

Traveling 

frequencies: 

 

  T2 

 

  169.505 

(Normally work anywhere in the U.S.A. and   T3  

 

 

170.245 

Canada.) 

    T8 

 

  171.905 

    

 
Systems on these frequencies may be combined for up to three simultaneous operating channels. 
 
For future reference, please record your system information here (the serial numbers appear near the 
screwdriver clip in each transmitter, and on the bottom of each receiver): 
 

Operating Frequency 

Freq. Code  ______  ________ 

 

 

Frequency • MHz _ _ _ 

.

 _ _ _ 

 
Receiver 

Model ATW-R250  

 

 

 

Serial Number _ _ _ _ _ _ _  

 
Transmitter 

Model ATW-T20 _______   

 

 

Serial Number _ _ _ _ _ _ _ 

             ½   

 

 

 

 

 

 

  

Specifications†   

OVERALL SYSTEM 

 

RECEIVER 
UNIPAK™ TRANSMITTER 

 

HANDHELD TRANSMITTER 

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

 
 
Optional System Accessories 

WIRELESS ESSENTIALS™ MICROPHONES AND CABLES 

All Wireless Essentials accessories are terminated for use with ATW-T201 and other UniPak™ transmitters. 
AT829cW  

Miniature cardioid condenser lavalier microphone. Includes clothing clip and windscreen. 
Provided with ATW-201/L systems. 

MT830cW  

Subminiature omnidirectional condenser lavalier microphone. Includes clothing clip and 
windscreen. 

MT830cW-TH 

“Theater” model, same as MT830cW except beige color mic and cable for concealment. 

AT831cW  

Miniature cardioid condenser lavalier microphone. Includes clothing clip and windscreen. 

AT851cW  

Surface-mount wide-range hemi-cardioid condenser microphone. 

AT857AMLcW  

19" gooseneck cardioid microphone. Mounts to 5/8"-27 thread. Includes windscreen. 

AT889cW  

Headworn noise-canceling condenser microphone. Includes windscreen and cable clip. 

ATM35cW  

Cardioid condenser instrument microphone. Includes AT8418 clip-on instrument mount. 

ATM73cW  

Headworn cardioid condenser microphone. Includes windscreen. 

ATM75cW  

Headworn cardioid condenser microphone. Includes windscreen. 

PRO8HEcW  

Headworn hypercardioid dynamic microphone. Includes windscreen and cable clip. 
Provided withATW-201/H systems. 

PRO35xcW  

Cardioid condenser instrument microphone. Includes AT8418 clip-on instrument mount. 

AT-GCW  

Hi-Z instrument/guitar cable with 1/4" phone plug. Provided with ATW-201/G systems. 

XLRW  

Connecting cable for UniPak transmitter with an XLRF-type input connector, for Lo-Z 
microphones with XLRM-type output terminations. 

 
OTHER ACCESSORIES 

AT8114  

Foam windscreen for handheld transmitter. 

AT8141  

Water-resistant pouch for UniPak transmitter. 

Содержание ATW-251

Страница 1: ...side the receiver and transmitter have been precisely adjusted for optimum performance and compliance with federal regulations Do not attempt to open the receiver or transmitter To do so will void the warranty and may cause improper operation Notice to individuals with implanted cardiac pacemakers or AICD devices Any source of RF radio frequency energy may interfere with normal functioning of the ...

Страница 2: ...tically adapts to changes in mains voltage Unlike bulky linear power supplies this switching power supply is lightweight and compact it uses only a single outlet space The versatile ATW T201 UniPak body pack transmitter has both a high impedance input for instruments and a low impedance input with bias connection for use with dynamic and electret condenser microphones The ATW T202 handheld transmi...

Страница 3: ...orizontally in the shape of an L Fig B Use the position that performs better in your operating environment Be certain to extend both antennas to their full 15 38 cm length by holding them at their bases and pulling out on their caps Both antenna elements may be swiveled to the left and right but do not attempt to rotate them in a screwing unscrewing motion To do so may damage the antenna and or re...

Страница 4: ... battery observing polarity markings 3 Replace the battery cover Fig F Handheld Transmitter Battery Installation 1 While holding the upper part of the transmitter body just below the ball screen unscrew the lower body cover and slide it downward to expose the battery compartment Fig G Do not attempt to pull the lower body farther down or to gain access to the electronics 2 Lift the white battery k...

Страница 5: ...inal 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 Turn down the receiver volume control and the mixer amplifier level before starting up the wireless system Do not switch on the transmitter yet Receiver on Plug the power supply into an A...

Страница 6: ...t turn the GT control slightly counterclockwise until the AF Peak indicator no longer lights with maximum instrument input to the transmitter After adjusting input level return the screwdriver to its clip and reinstall the battery cover No further transmitter gain adjustments should be needed as long as the input device and the acoustic input level are not changed Adjusting Input Level Handheld Tr...

Страница 7: ...heir normal range not set too high or too low This provides the optimum signal to noise for the entire system 9 Turn the transmitter off when not in use Remove the battery if the transmitter is not to be used for a period of time 10 Unplug the receiver from the AC outlet when the system is not in use System Operating Frequencies Frequency Selection Each transmitter receiver system operates on a si...

Страница 8: ...udes clothing clip and windscreen Provided with ATW 201 L systems MT830cW Subminiature omnidirectional condenser lavalier microphone Includes clothing clip and windscreen MT830cW TH Theater model same as MT830cW except beige color mic and cable for concealment AT831cW Miniature cardioid condenser lavalier microphone Includes clothing clip and windscreen AT851cW Surface mount wide range hemi cardio...

Страница 9: ... in a variety of lengths Also available with one straight and one 90 phone plug as the AT8316 AT8456a Stand clamp for handheld transmitter 5 8 27 threads ATW VP10 Vinyl pouch with belt clip to hold UniPak transmitter Receiver Power Supply Antennas Receiver Controls and Functions Transmitter Controls and Functions ...

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