bad fisher cz20

[rybikowsk]

I just recieved a fisher cz 20 in the mail today, I bought it from someone on ebay,I paid a lot of money for it as I could not find a new one. the detector was supposed to be like new. It looked like new. but and a big but the disc control did not work the button had no stop places it could be turned on and on and on, I have a fisher cz6a which is the land version, it has a disc control with a limited number of positions and no more travel after those positions. this thing has made me sick, I need some advice thanks.michael rybikowsky

 

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[rsc]

The disc knob on my CZ20 will go full circle also. But is not a problem. Does it make it difficult to operate? Gayle