Audio-Technica ATW-252, G, H92-TH, L, ATW-251 manual System Operating Frequencies

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System Operating Frequencies

Frequency Selection

Each transmitter/receiver system operates on a single factory aligned, crystal-controlled frequency. Available frequencies are shown in the chart below.

Operating frequency is specified by a two character code,

such as “T2,” in addition to the actual frequency in MHz. The fre- quency of each transmitter appears on a label on the outside of the unit. The frequency of each receiver appears on a label on the rear panel of the unit and the frequency of each system appears on the outer carton. For future reference, please record them in the space provided below.

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 within 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 the A-T professional division.

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

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Contents Series Professional VHF Wireless Systems Professional VHF Wireless Systems IntroductionReceiver Installation Receiver Controls and FunctionsTransmitter Setup System Operation Ten Tips To Obtain The Best ResultsSystem Operating Frequencies Specifications† Overall SystemAntennas Figure a pTransmitter Controls and Functions Figure D