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Gold Prospecting
Metal Detecting for Gold
3500 or 4000
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<blockquote data-quote="Jon" data-source="post: 116024" data-attributes="member: 717"><p>Some of the 4000's and early 4500's had ground balance drift problems when in fixed. You'd be in fixed, the ground wouldn't change but the balance did. Sometimes you would be digging out a target and have it set and then the target would sound softer or almost vanish. You'd check the balance and it was miles out yet you really did nothing for it to be so, balance it again and all was good. Another problem with them, on the 45, the early ones, was scratchiness at times in the audio. The problem was the on off switch. Machine was ok but scratchy, you'd flick the switch, by that I mean flick it on or off rather than hold pressure on it all the way through the process and the scratchy static like noise would go. Don't know if it was officially "recognised publically" by Mlab but mine and others had the switch replaced and problem was gone. 45's a real good machine though. Prefer the 5 but that's me.</p></blockquote><p></p>
[QUOTE="Jon, post: 116024, member: 717"] Some of the 4000's and early 4500's had ground balance drift problems when in fixed. You'd be in fixed, the ground wouldn't change but the balance did. Sometimes you would be digging out a target and have it set and then the target would sound softer or almost vanish. You'd check the balance and it was miles out yet you really did nothing for it to be so, balance it again and all was good. Another problem with them, on the 45, the early ones, was scratchiness at times in the audio. The problem was the on off switch. Machine was ok but scratchy, you'd flick the switch, by that I mean flick it on or off rather than hold pressure on it all the way through the process and the scratchy static like noise would go. Don't know if it was officially "recognised publically" by Mlab but mine and others had the switch replaced and problem was gone. 45's a real good machine though. Prefer the 5 but that's me. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
3500 or 4000
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