Shure J4 User Manual download pdf (Page 30)

Choosing Clean Frequencies

• Manually scan through frequencies

• Contact other operators

• Use the same group for all frequencies

• Frequency separation

• Frequency intermodulation

• Shure website at www.Shure.com

• Audio Technica website at http://www.audio-

technica.com/index2.html

Manually punch through all the frequencies you want to use with the transmitters off

to see if you have any traffic.

Contact other operators in the area and coordinate with them so you are not on or

near their frequencies.

On both the Shure UHF and Sony UHF 800, all channels within a group do not

overlap, but different groups do overlap. Use channels within the same group to

avoid overlapping.

When using frequencies besides the preprogrammed groups, try to separate

frequencies by at least .5 MHz to avoid “stepping on”.

Also when using frequencies besides the preprogrammed groups, don’t use

frequencies at regular intervals to avoid intermodulation.

Check out the Shure website and the Audio Technica website.

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Shure J4 User Manual Page 30