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 1.Geiger Counter World Map(www.GMCmap.com)
 My New GMC 500+ is going nuts!
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Ovusa

USA
3 Posts

Posted - 07/22/2020 :  13:11:48  Show Profile  Reply with Quote
Hi Guys
My unit has been working fine for 2 months since I got it, showing readings from 13 CPM to 30 CPM. Since few days ago it started reading 380 CPM and then it goes back to normal. I pulled out an old unit and readings are normal when I get the spikes in my 500+
What can I do to fix my 500+? Any adjustments? Thanks for your help
Reply #1

EmfDev

1438 Posts

Posted - 07/22/2020 :  15:07:42  Show Profile  Reply with Quote
Hi Ovusa, can you check which CPM is going nuts by turning on Tube 1 and 2 CPM display under Main Menu->Init Setup->Tube settings? This is to check which tube is reading high.
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