Minelab GP 3000 Manual
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Minelab GP 3000 Manual

Minelab GP 3000 Manual

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THE MINELAB 'GP 3000'
www.minelab.com
AN IMPORTANT MESSAGE FROM MINELAB
We ask YOU, as a responsible detector operator, to take all due
Minelab cannot stress enough the importance of being responsible
If care and consideration is taken, during and after the removal of
targets, especially with respect to the back filling of holes, this
should ensure the continued access to areas for prospecting and
treasure hunting. This will also ensure that the pristine condition of our
beautiful bushland, forests and dry land areas is maintained with a
Minelab is working with you towards preserving our natural
environment so that the benefits of gold prospecting and treasure
hunting can continue to be enjoyed in the years to come.
Every prospector and treasure hunter around the world and the
staff of Minelab thank you for your continued efforts towards
7
60
IMPORTANT MESSAGE FROM MINELAB
care regarding the environment.
when recovering targets.
BACKFILL EVERY HOLE YOU DIG.
minimum of damage.
protecting the environment.
Minelab 'GP 3000'
P0610-A
THE MINELAB 'GP 3000'
!
4901-0036 Version 1.2
I

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  • Page 1 THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com Minelab ‘GP 3000’ AN IMPORTANT MESSAGE FROM MINELAB We ask YOU, as a responsible detector operator, to take all due care regarding the environment. Minelab cannot stress enough the importance of being responsible when recovering targets.
  • Page 2 DETECTOR CARE AND SAFETY © Minelab Electronics Pty Ltd The ‘GP 3000’ is a high quality electronic instrument. It has been designed for professional gold prospecting use and the electronics circuitry is encased in a This document contains proprietary information which is protected by rugged housing.

  • Page 3: Table Of Contents

    INTRODUCTION ........................1 About this manual ............................. 2 Introducing the Minelab ‘GP 3000’ ......................3 ASSEMBLY ..........................5 Unpacking your ‘GP 3000’ [easy reference] ..................6 List of pre-assembled sections and parts ....................7 Complete assembly instructions ......................8 BATTERY ..........................13 Battery and charging ..........................
  • Page 4 Target Signal The audio signal (or change in threshold) caused by the presence of a metal target as the coil passes across it. Tracking The function of Automatic Ground Balance where the ‘GP 3000’ makes continuous adjustments to the ground balance to compensate for changes in the mineralisation of the ground.

  • Page 5: Introduction

    Mineralised Ground Most ground contains certain minerals which can cause false signals to be given by a detector. Heavily mineralised ground requires The ‘GP 3000’ incorporates new different ground processing than does neutral or lightly mineralised technological advances and control ground (see Ground Balance).

  • Page 6: About This Manual

    Ground Balance The ability of the metal detector to compensate for the effects of this chapter will be a worthwhile ground mineralisation. The ‘GP 3000’ has "automatic ground balance". preliminary to basic or advanced When it is used in Tracking mode it continually compensates for detecting.

  • Page 7: Introducing The Minelab 'Gp 3000

    Minelab wished to thank you for purchasing our most advanced Corporate clothing gold detector ever, and are confident the ‘GP 3000’ will lead you to Minelab also has a range of good quality clothing, e.g. caps, shirts success in your quest for gold and treasure.
  • Page 8 Minelab is always interested in your opinions so if you have any questions or comments labour. Refer to your warranty card for details. regarding the ‘GP 3000’ or any other Minelab product, please feel free to contact us via your local The ‘GP 3000’ 1100 and 1800 coils have a warranty for one year...

  • Page 9: Assembly

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com SERVICE REPAIR FORM Today’s Date ___________________________________________________________________________ ______________________________________________________________________________________ Detector Model _______________________ Serial No. ________________________________________ Purchased From ________________________________________________________________________ Purchase Date __________________________________________________________________________ Assembly Faulty Part(s): __________________________________________________________________________ ______________________________________________________________________________________ Description of Fault: _____________________________________________________________________ This chapter provides details and...

  • Page 10: Unpacking Your 'Gp 3000' [Easy Reference]

    Battery will not charge using vehicle Check for power to cigarette lighter socket in vehicle. P0611-A charger. Check 10 amp fuse in charger plug. Figure 2.1 Contents of the ‘GP 3000’ pack. The ‘GP 3000’ as shipped Battery not holding charge. Try alternative charger.

  • Page 11: List Of Pre-Assembled Sections And Parts

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com TECHNICAL SPECIFICATIONS ASSEMBLY AND LIST OF PARTS The ‘GP extreme’ Table 7.1 Technical specifications Length Maximum 1300mm Headphones (16) Arm Strap (14) Minimum 1100mm Armrest Cover (15) Weight Complete with 11” coil 2400g Battery (17) &...

  • Page 12: Complete Assembly Instructions

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com COMPLETE ASSEMBLY INSTRUCTIONS You will need to assemble the ‘GP 3000’ from all the various components, here are detailed assembly instructions. Assembling and fitting the armrest User Info Figure 2.3, refer also Figure 2.2...
  • Page 13 THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com Attaching the handle and bungy cord Bungy Knuckle (22) Figure 2.4, refer also Figure 2.2 Slide the handle (9) onto the other end of the upper shaft (8) STEP 1 and set it to a comfortable position. Tighten the two screws in...
  • Page 14 Attaching the lower fibreglass shaft Salty Environments Figure 2.2 The ‘GP 3000’ will find objects at greater depth in salty environments. Slide the lower fibreglass shaft (4) into the intermediate shaft (7). However, the interfering signals caused by highly concentrated salt...
  • Page 15 This cable object; it is there and may be connects the battery and headphones to the detector. The ‘GP 3000’ has depth capabilities that will surprise both new and valuable experienced prospectors. If the target appears to be buried deeply, it...
  • Page 16 THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com RECOVERING THE TARGET When you are sure of the location of the target, it is necessary to dig a small hole to recover it. In order to preserve the environment, the hole should be as small as possible.

  • Page 17: Battery

    By shortening the length of the sweep it should be possible to draw The ‘GP 3000’ is supplied with a 6v DC an imaginary line in the ground where the strongest signal is located.

  • Page 18: Battery And Charging

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com BATTERY AND CHARGING IDENTIFYING TARGET SIGNALS Metallic targets will usually give a 'solid' sounding signal when the coil is swept across The Battery the object from any direction. Ground noises usually give a broad uneven signal when the The 6v DC rechargeable battery should provide enough power to coil is swept from different directions.
  • Page 19 PROSPECTING TECHNIQUES The mains battery charger will charge the battery from local mains (AC) The ‘GP 3000’ has superior ground balancing and it is possible to find quite large power outlets. objects near the surface in well-worked areas where other detectors have been unable to Connect the mains charger to a mains outlet.
  • Page 20 THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com Covering the search area Figure 6.2 and Figure 6.3 • As the user moves forward slowly, the search pattern should resemble a snaking path. • To ensure that the ground is thoroughly searched, approach the area from 3 different directions.

  • Page 21: Controls

    ‘GP 3000’ control Motion detection panel. A few minutes spent reading this The ‘GP 3000’ is a 'motion' detector. Therefore the chapter will be a worthwhile preliminary detector must be moving over a target to detect it.

  • Page 22: Detector Sounds Easy Reference

    • If the tone rises first and then falls, as the coil is passed to utilise the power of your ‘GP 3000’ over a target, this generally indicates a large target. with DVT.

  • Page 23: Control Functions: Rear Panel

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com DISCRIMINATION CONTROL USING LEVEL ADJUST easy reference CONTROL FUNCTIONS There are two control panels: the rear panel and the front panel. Rear Panel Figure 4.1 G P 3 0 0 0...
  • Page 24 THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com Boost (Shallow/N/Deep) Level Adjust Control Shallow Level Adjust gives the user the ability to select the sensitivity and Figure 4.3 likelihood of a target being discriminated as ferrous when used in Enhances the signals produced by different types of targets.
  • Page 25 Target Target Audible Signal audibility (Figure 4.6). Iron discrimination with the ‘GP 3000’ is the silencing or ‘blanking’ of the No Sound HINT A soft audible headphone signal which is comfortable to threshold which occurs when the detector determines a target is...
  • Page 26 Figure 4.12 Signal control The ‘GP 3000’ is capable of rejecting many iron objects while still detecting • At minimum position the high/low pitch variance to a target is non-ferrous metals. The ability of the detector to discriminate ferrous targets reduced.

  • Page 27: Control Functions: Front Panel

    THE MINELAB ‘GP 3000’ THE MINELAB ‘GP 3000’ www.minelab.com Ground Balancing Procedure Front Panel Figure 5.2 Figure 4.16 • Move the coil up and down between 20mm and 100mm above the ground and, while moving the coil, change G P 3 0 0 0 Balance from Fixed to Tracking.
  • Page 28 In Disc, a strong response from a ferrous (iron) object will cause If ‘Balance’ is changed to ‘Fixed’, The ‘GP 3000’ has the ability to cancel out the effects of ground the threshold to be 'blanked' or silenced. the detector will no longer adjust mineralisation.
  • Page 29 Changes the sensitivity and search pattern of the coil to allow the also boost any ground noise, therefore Shallow is well suited Cancel ‘GP 3000’ range of coils to become multi-versatile coils with different P0528-A for 'quiet' ground conditions. characteristics to suit different environments. This is achieved by altering the pattern of transmit (TX) and receive (RX) fields of the coil •...
  • Page 30 Cancel changes the electromagnetic field of the coil so that it is particularly stable in areas of electrical interference. This position is Minlab Monoloop coils can be used on the GP 3000 with excellent ideal in areas where the operator wants to detect close to suburbia results.

  • Page 31: Operation

    ‘GP 3000’ to its full capacity. Soil switch Use this switch to optimise the detector's ability to detect in different ground conditions (see page 24 for full description).

  • Page 32: Quick Start Instructions [Easy Reference]

    Take time to read this manual Set Soil switch to N (Normal). STEP 2 NOTE When the ‘GP 3000’ is turned Off, important thoroughly to obtain the best Set Balance switch to Fixed. information (e.g. tuning frequency and ground balance) is...

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