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GPZ7000 19" coil GPZ19 information and questions
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<blockquote data-quote="PhaseTech" data-source="post: 298563" data-attributes="member: 3149"><p>Normal and General will give you the best punch on chunky gram plus bits, but if the gold is even slightly odd shaped or has some ironstone attached then HY is the go. In terms of volume, I use headphones, and I find a massive difference between Volume settings of say 9 and 12. But if you increase it, you want to make sure the threshold is nice and stable - which is where lower Sensitivity can help. </p><p></p><p>With the 14, my general process is:</p><p></p><p>1. Try Normal - can it work? </p><p>2. Nope, okay into Difficult</p><p>3. Start with HY and see how it goes. </p><p>4. Adjust sensitivity as high as possible before the ground says stop</p><p>5. Now set Smoothing accordingly</p><p></p><p>With the 19, there is still a lot of experimenting to do with different combos, but I think the thought process should be similar to the above. You need to just turn it on and go and see where you can run it. It is a big coil strapped to a very powerful machine, so if there's a gram plus bit buried at depth there is a good chance we are going to hear it. </p><p></p><p>One little difference I am noticing so far, is that with the 14 my two go to setting combos were: General/Difficult and HY/Normal. With the Z19, I seem to be using HY/Difficult and General/Normal. Not sure if that's due to where I've been swinging the 19 so far, or whether those combos suit the 19 better.</p></blockquote><p></p>
[QUOTE="PhaseTech, post: 298563, member: 3149"] Normal and General will give you the best punch on chunky gram plus bits, but if the gold is even slightly odd shaped or has some ironstone attached then HY is the go. In terms of volume, I use headphones, and I find a massive difference between Volume settings of say 9 and 12. But if you increase it, you want to make sure the threshold is nice and stable - which is where lower Sensitivity can help. With the 14, my general process is: 1. Try Normal - can it work? 2. Nope, okay into Difficult 3. Start with HY and see how it goes. 4. Adjust sensitivity as high as possible before the ground says stop 5. Now set Smoothing accordingly With the 19, there is still a lot of experimenting to do with different combos, but I think the thought process should be similar to the above. You need to just turn it on and go and see where you can run it. It is a big coil strapped to a very powerful machine, so if there's a gram plus bit buried at depth there is a good chance we are going to hear it. One little difference I am noticing so far, is that with the 14 my two go to setting combos were: General/Difficult and HY/Normal. With the Z19, I seem to be using HY/Difficult and General/Normal. Not sure if that's due to where I've been swinging the 19 so far, or whether those combos suit the 19 better. [/QUOTE]
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GPZ7000 19" coil GPZ19 information and questions
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