It's also good if you have interference on a frequency. you can block that out but still let the radio traffic through if you have their tone programmed in.

Gary
"Mikey Mike" wrote in message ...
Can anyone explain in plain English what this is and how to program it
into my scanner.Have a BC898T Bearcat.The owners manual is no help at
all.No pc to program it like that. TIA

Mike




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