Quote:
Originally Posted by Qiaozhi
In a previous post I believe you stated your PD does not beep at the coin when it is held in the air, but only when it is buried. This is somewhat confusing, as there should be a signal whether the coin is buried or not. Do you not agree? In your tests the coin has not been "long-time buried". So why do you think the PD continues to beep for 2 minutes after the coin is removed?
This behaviour does not seem to fit the usual pattern for LRLs. 
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Hi Qiaozhi.
The answer is simple...... I don't know

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It's the same if I have a coin buried, or it is upon the ground. But it is different if is in the air. Sometimes detects a coin in the pocket but more times no.
Regards