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Minelab CTX 3030 Detecting Forum


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Auto vs Manual Noise Cancel
Posted by: bklein
Date: January 14, 2019 09:04AM
I got curious about noise cancel on the CTX as I was doing pretty good at finding targets (not good ones though) but forgot to NC. It was a 10 but auto suggested I think a 2. A 2 brought on a beep of the sound of perhaps the last target found on just about every swing. I’ve had days where it behaved like this but this time I wasn’t going to let it go so I went back to a manual NC of 10. The extra bleep was gone. It was interesting that if I put it in manual NC like this there sometimes was an immediate long tone after setting a manual setting. This kind of had simularities to the Equinox recovery speed in that for me it was a usability setting. Something to play with if targets are scarce and you have the time. Just leave the manual setting screen up and change it (takes a few seconds to work but you may get the long tone immediately).

Re: Auto vs Manual Noise Cancel
Posted by: IDXMonster
Date: January 14, 2019 06:16PM
My Explorer2 does that too,selecting a manual number sometimes brings on a long HOOT....why? Dunno. Goofy as hell though. Here’s another anomaly...when I am running a manual GROUND BALANCE(bobbing the coil to balance with GB box CHECKED),when it’s done and I locate a target,the FECO numbers will hang,and then start going berserk,like some kind of countdown. It’ll do this for about 5-6 seconds and then collect itself and work normally. I’m pretty sure I’ve only seen the numbers go wild like this after I’m done manually ground balancing the machine. Not sure why it does it,I wonder if this is common....

Re: Auto vs Manual Noise Cancel
Posted by: glenn3-88
Date: January 25, 2019 09:55AM
Mine does this sometimes but when I pinpoint and it starts jumping around like that I just pinpoint, lay the center of the coil dead over my target and not moving
it at all, the jumping stops and it displays the correct numbers and depth for that target and doesn't do it again for a while. I suspect though that there are
multiple (deep) targets below that are just too deep to show up on the screen.

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