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200 Series Owners Manual  v.1 

7-6-06 

Page 1 of 9 

 

 
ATW-251
  

UniPak™ System 

ATW-251/G Guitar System 
ATW-251/H
 Headworn Microphone System 
ATW-251/L
  Lavalier Microphone System 
ATW-252
 Handheld 

Microphone 

System 

 

 

 
 
 

  

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 subject 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. 

 

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 
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 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. However, 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. 
 

 
 
 
 

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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