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Sensitivity question.............


Can sensitivity be changed independent of each other, meaning being in auto or manual. I change it now by going to manual and changing the sensitivity then going back auto. So can I change sensitivity either up or down just being in auto mode? I hope this makes sense.

Larry (IL)

Well-known member
With limitations, auto can be adjusted from -3 to +3 which is plenty for the type of hunting that I do.


New member
The detector permanently changes sensitivity, He automatically moves sensitivity up in auto mode.
After some minutes he stops going up, when he "feels" that there are too much interferences from ground mineralization.

You can speed up the process, if you start hunting with "Manual 28" for a minute and then switch to "Auto". In that case you will be faster on ahigher sensitivity value.
At least thats my impression. Generally its recommended to prefer "Auto" Sensitivity unless the ground has near to zero Mineralization (on the beach, sand for example).

From the manual I'd say that the explanation in the e-trac manual is clearer then in the (german?) CTX Manual, as it properly explains the three internal search channels.
That have the perfect strenght only in Auto-Sensitivity.