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Author Topic:  Gt16000 mystery modification  (Read 686 times)

Offline Jaaltreinders

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Gt16000 mystery modification
« on: August 09, 2017, 23:07 »
Hi everyone, I have acquired an old minelab  gt16000 which has a mystery toggle switch that is down in the bottom right hand side of the front panel of the control box next to the volume knob.
I was hoping that someone on this forum could enlighten me with what it does.
Thanks in advanced

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Linkback: http://forum.kimbucktwo.com/index.php?topic=31729.0
  • Detector(s) owned/used: Garrett A2B
  • Oldest find: 10years

Offline Rwork

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Re: Gt16000 mystery modification
« Reply #1 on: August 10, 2017, 06:00 »
Have you plugged in the headphones and moved the switch? It may be some type of mod for running the speaker as well as the headphones. If that doesn't do anything to the sound then see if it alters the tuning. Might be some type of frequency shift. An internal picture might give more clues.
Welcome to the forum anyway Jaalreinders.
  • Detector(s) owned/used: Owned,Two Mlb 5000. Sovs,GT and XS, Ace 250's.
  • Oldest find: Ancient gold and 1797 cartwheel penny.

Offline Jaaltreinders

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Re: Gt16000 mystery modification
« Reply #2 on: August 10, 2017, 13:50 »
Hi Rwork, thanks for the welcome and quick response. I took the cover off and found that the switch has 2 wires coming from it, a brown and black wire and they run around the side to the circuit board with the big chip on it. They are soldered to the underside of 2 separate resistors as seen in pictures. I hope someone can shed some light on what it is this does.
Thanks again in advance

Sent from my Bluboo  Dual using Tapatalk

  • Detector(s) owned/used: Garrett A2B
  • Oldest find: 10years

Offline Rwork

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Re: Gt16000 mystery modification
« Reply #3 on: August 10, 2017, 15:51 »
If the switch goes to resistors the chances are that it is to bypass them. Maybe it increases the voltage to the  unit in the hope it gets more depth. A multimeter would tell you or just do a height test and another on very small stuff.
  • Detector(s) owned/used: Owned,Two Mlb 5000. Sovs,GT and XS, Ace 250's.
  • Oldest find: Ancient gold and 1797 cartwheel penny.


 

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