Minelab GPX5000 Instruction Manual
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Minelab GPX5000 Instruction Manual

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  • Page 1 Instruction Manual...

  • Page 2: Quick Start

    Rear Control Panel (p. 26). The GPX 5000 and GPX 4800 are Minelab's most advanced gold detectors. They are high precision instruments incorporating Multi-Period Sensing (MPS), Dual Voltage Technology (DVT), Smart Raise the coil off the ground and Press the Auto Tune (p.

  • Page 3: Table Of Contents

    Contents Quick Start LCD Backlight Battery Test / Viewing the battery voltage. Introducing the GPX 5000 and GPX 4800 Volume Limit / Setting the maximum volume of all sounds. Ground Balance Type List of Parts Ground Balance Procedure for Specific Assembly Special / Soil/Timings.
  • Page 4 Introducing the Features Ground Balance (GB) Type Motion The GPX Series utilise Minelab’s proven 'Dual Voltage Technology' (DVT). This ensures an accurate Ground Balance to Ground Balance Type has three settings: The speed at which you sweep the coil has an provide maximum sensitivity and depth in all ground types.

  • Page 5: List Of Parts

    List of Parts Armrest (2 sections) Armrest Straps Armrest Cover Armrest Wingnuts Armrest Bolts Velcro Tabs Lower Shaft Washers Lower Shaft Wingnut Lower Shaft Bolt 11" Coil Lower Shaft Upper Shaft Control Box Lithium-ion Battery Power Cable Handle Headphones (with Quick-Trak Button) Battery Harness Bungy Cord Clamp...

  • Page 6: Assembly

    Assembly Attaching the Coil to the Lower Shaft: Attaching the Lower Shaft to the Upper Shaft: 1 Plug the two rubber washers into the holes on either side of the lower shaft. 1 With the twistlock facing away from you, rotate the twistlock of the upper shaft clockwise to ensure it is loosened, as 2 Ensure that the spring loaded pin of the lower shaft is pictured left.
  • Page 7 Assembly Continued... Attaching the Armrest Straps to Always ensure that the control box is turned off before the Armrest: connecting or disconnecting the coil to avoid damage to 1 Press both strap studs onto the armrest studs. the detector's electronics. 2 Push the armrest straps through the slots in the armrest cover and then slide the cover over the armrest.
  • Page 8 However, the The Minelab Lithium-ion battery contains an amplifier which detectors 'Target Volume' automatically increases the audio level when a correctly adjustment allows you to wired speaker is used.
  • Page 9 Assembly Continued... Attaching the Bungy Cord: 1 Create a loop in the bungy cord. 2 Undo the plastic wingnut and remove the bolt from the clamp. 3 Push the bolt back through the clamp and loop to secure the bungy cord to the shaft. 4 Fasten the screw with the wingnut.

  • Page 10: Adjusting The Detector For Comfortable Detecting

    Adjusting the Detector for Comfortable Detecting Holding the Detector: Adjusting the Battery Harness: Note: For comfortable, long term detecting, it is important Thread your arm through the armrest and strap. Grasp the A comfortable fitting battery harness will ensure the longest you take the time to adjust the handle of the detector and rest your forearm in the armrest.

  • Page 11: Charging The Battery

    Caution: The new battery should initially be battery. fade and obtain optimum cycle life. Minelab charged for 8 hours before use. 2 Connect the vehicle charger adaptor to detectors shut down at a certain minimum...

  • Page 12: Battery Led Patterns

    In the event of a fault, you should return the battery to a If the LED is still red contact your dealer. Minelab authorised service centre for repair. The use of non- approved components will VOID YOUR WARRANTY. There are no user serviceable parts within this battery pack.

  • Page 13: Detecting Basics

    Detecting Basics Detector Sounds Target Response Ground Noise Note: The GPX Series are The GPX Series detectors will perform at their best when the ‘motion’ detectors. This means coil is kept close and parallel to the ground at all times. This (Metal Object Response) Certain minerals may cause the detector the coil must be moving...

  • Page 14: Front Control Panel

    Front Control Panel Rear Control Panel Auto Tune (p. 32) automatically scans LCD (Liquid Crystal Display) a range of frequency channels to help Displays all the menu functions and reduce electrical interference. settings. Now with backlight (p. 50). Threshold (p. 33) is the background Function Select (p.

  • Page 15: Turning The Detector On

    Turning the Detector On LCD Menu Structure The On/Off switch is located on the Rear Control Panel. Many of the GPX Series functions are accessed through the LCD Menu. These are explained in further detail throughout the rest of this manual. To turn the Detector On or Off: The functions listed under “Main Menu”...

  • Page 16: Search Mode

    Search Mode GPX 5000 GPX 4800 The Main Menu functions are the same for GPX 5000 Range GPX 5000 Range General, Deep, Custom (Patch, Hi-Mineral, Hi-Trash, Pinpoint) each Search Mode. GPX 4800 Range General, Deep, Hi-Mineral GPX 4800 Range Factory Preset GPX 5000 The GPX 4800 has three Search Mode switch positions: Deep, GPX 5000...

  • Page 17: Tune / Reducing Electrical Interference

    Search Mode Tune Continued... Reducing electrical interference. Custom (GPX 5000) GPX 5000 The detector may be affected by electrical interference from thunderstorms and other climatic conditions, powerlines, The Custom Search Mode provides a choice of four radio transmitters, electrical equipment or other detectors additional search modes (p.

  • Page 18: Auto Tune

    Auto Tune Threshold Adjusting the background audio level. To Perform an Automatic Tune: Threshold is the constant audible background tone or 'hum' produced by the detector. The Threshold is your reference 1 Hold the detector at waist height, with the coil vertical, point and lets you know what the coil is sensing, whether it and slowly rotate through a half-circle.
  • Page 19 Threshold Soil/Timings Continued... Optimising the detector for different soil and target types. GPX 5000 Range Normal, Enhance, Sens Smooth, Fine Gold, Sens Extra, Salt/Gold, Sharp, Coin/Relic GPX 4800 Range Normal, Enhance, Sens Extra, Sharp, Coin/Relic, Salt-Coarse Factory Preset Special: Fine Gold (GPX 5000); Sens Extra (GPX 4800) When the Threshold is too The GPX Series Timings define the characteristics of the high a faint signal is masked...
  • Page 20 Mono Coils not specifically designed by Minelab may behave erratically, or be ineffective, in either the Mono or This setting may be used in most locations of low to medium Cancel positions.

  • Page 21: Ground Balance Compensating For Ground Mineralisation

    Ground Balance Compensating for ground mineralisation. GPX 5000 Range Tracking, Fixed GPX 4800 Range Tracking, Fixed Fixed Most ground contains not only sand but also many different chemicals, minerals and salts. These extra materials are Fixed holds the last Ground Balance setting. In ground where referred to as ground mineralisation.

  • Page 22: Ground Balance Procedure For Tracking

    Ground Balance Procedure for Tracking For Ground Balance type General. Ground Balance reset in Tracking 1 Find a clear area of ground without any targets. Note: Use this procedure to periodically test that you are While detecting in Tracking you should periodically test that 2 Change the Ground Balance switch to Fixed.

  • Page 23: Ground Balance Procedure For Fixed

    Ground Balance Procedure for Fixed For Ground Balance type General. Ground Balance reset in Fixed 1 Find a clear area of ground without any targets. Note: Use this procedure to periodically test that you are Whilst detecting, you should periodically test that you are 2 Change the Ground Balance switch to Fixed.

  • Page 24: Restoring Factory Presets

    Restoring Factory Presets To restore Factory Preset settings for the The GPX Series are provided with a Factory Preset current Search Mode: selection of menu settings, suitable for first-time users. GPX 5000 Note: If you wish to reset a Custom Search Mode Until you become more familiar with your detector, it can ensure it is selected in the menu before shutting down simply be operated using the Factory Presets and the Front...

  • Page 25: Factory Presets

    Factory Presets GPX 4800 Main Menu (Universal Functions) GPX 5000 Main Menu (Universal Functions) Function Range Factory Preset Function Range Factory Preset Backlight Off, 1–8 Backlight Off, 1–8 Tip: Until you become more Battery Test 0–8.0V, +8.0V – familiar with the GPX 5000 Battery Test 0–8.0V, +8.0V –...

  • Page 26: Function Select Control Scrolling Through Functions

    Function Select Control Setting Control Scrolling through functions. Adjusting settings. Title Navigation Arrows Once a function has been Navigation Arrows selected the Setting Indicates what type of function Indicate which way the Indicates which way the you are viewing (universal or menu can scroll.

  • Page 27: Lcd Backlight

    LCD Backlight Battery Test Viewing the battery voltage. GPX 5000 Range Off, 1–8 GPX 4800 Range Off, 1–8 Factory Preset In low lighting conditions the LCD can be backlit. You can The Battery Test screen allows you to view the current voltage select how long the backlight stays on for once activated.

  • Page 28: Volume Limit / Setting The Maximum Volume Of All Sounds

    Volume Limit Setting the maximum volume of all sounds. GPX 5000 Range 1–20 GPX 4800 Range 1–20 Factory Preset Volume Limit sets the maximum level of sound emitted by the Maximum Volume Limit: Volume Limit = 20 detector when a target is detected. Faint and loud signals are unaffected.

  • Page 29: Ground Balance Type

    Tracking there can be very little and sometimes no ground effect. as found on the previous Minelab models. In Tracking, These areas are quite rare but are identified when your General Ground Balance (GB) samples variations in the ground ground balance doesn't appear to be doing anything.

  • Page 30: Ground Balance Procedure For Specific

    Ground Balance Procedure Special for Specific Soil/Timings GPX 5000 Range Sens Smooth, Fine Gold, Sens Extra, Salt/Gold, Sharp, Coin/Relic GPX 4800 Range Sens Extra, Sharp, Coin/Relic, Salt-Coarse Factory Preset Fine Gold (GPX 5000), Sens Extra (GPX 4800) When moving to a new area the first 6 When the low pitch tone begins You can select which timings will be activated by the Special Specific Ground Balance must be done...

  • Page 31: Manual Tune / Reducing Electrical Interference

    Special Manual Tune Continued... Reducing electrical interference. GPX 5000 Range GPX 5000 Range Sens Smooth, Fine Gold, Sens Extra, Salt/Gold, Sharp, Coin/Relic 0–255 GPX 4800 Range Sens Extra, Sharp, Coin/Relic, Salt-Coarse GPX 4800 Range 0–255 Factory Preset Fine Gold (GPX 5000), Sens Extra (GPX 4800) Factory Preset Sharp Manual Tune allows you to scroll through and select a...

  • Page 32: Changing Search Modes / Via The Lcd

    Changing Search Modes ( Via the LCD. GPX 5000 Range Patch, Hi-Mineral, Hi-Trash, Pinpoint GPX 4800 Range Not Available Factory Preset Patch Editing Personal Search Modes The Search Mode switch, on the Front Control Panel, provides access to a number of detecting modes that you You can create your own personal Search Modes for different can use in different circumstances.

  • Page 33: Rx Gain / Adjusting The Sensitivity Of The Detector

    Motion Rx Gain Adjusting the sweep speed. Adjusting the sensitivity of the detector. GPX 5000 Range GPX 5000 Range Very Slow, Slow, Medium, Fast 1–20 GPX 4800 Range Very Slow, Slow, Medium, GPX 4800 Range 1–15 Factory Preset Slow Factory Preset 11 (GPX 5000), 8 (GPX 4800) The speed at which you sweep the coil has an effect on target The Rx Gain function allows the GPX Series to be optimised for...

  • Page 34: Audio Type / Changing The Audio Response Of Target Signals

    Audio Type Audio Tone Changing the audio response of Adjusting the pitch of the Threshold. target signals. GPX 5000 Range GPX 5000 Range Quiet, Normal, Deep, Boost 1–100 GPX 4800 Range Quiet, Normal, Deep GPX 4800 Range 1–100 Factory Preset Normal Factory Preset The Audio Type function allows you to change the way...

  • Page 35: Stabilizer

    Stabilizer Signal Peak Adjusting the pitch variation of target signals. GPX 5000 Range GPX 5000 Range 1–20 1–20 GPX 4800 Range 1–10 GPX 4800 Range 1–20 Factory Preset 10 (GPX 5000), 5 (GPX 4800) Factory Preset The Stabilizer function controls the point at which faint You are more likely to hear a target signal when both the variations in the Threshold begin to be heard.

  • Page 36: Target Volume

    Target Volume Response Inverting the pitch of the target signal. GPX 5000 Range GPX 5000 Range 1–20 Normal, Inverted GPX 4800 Range 1–20 GPX 4800 Range Factory Set to Normal Factory Preset Factory Preset Normal Target Volume Normal The Response function allows you to invert the normal pitch combination of target signals The Target Volume controls the strength of target signals When Normal is selected and a small target is...

  • Page 37: Tracking Speed Keeping Up With Changing Ground

    Tracking Speed Keeping up with changing ground. GPX 5000 Range Slow, Medium, Fast GPX 4800 Range Slow, Medium, Fast Factory Preset Medium Medium Tracking Ground Balance is the preferred setting when searching in highly variable mineralisation. Tracking Ground In ground conditions which make operating in Fixed Balance automatically measures the ground mineralisation impractical, the factory preset Medium setting provides and adjusts the Ground Balance as necessary, to maintain...

  • Page 38: Iron Reject

    Iron Reject GPX 5000 Range Off (All Metal), 1–10 GPX 4800 Range Off (All Metal), 1–10 Factory Preset Off (All Metal) The GPX Series are capable of rejecting many ferrous (iron) Discrimination is dependent on target signals being strong targets while still detecting non-ferrous targets. enough for the GPX Series to determine if the target is ferrous or non-ferrous.

  • Page 39: Iron Reject Rejecting Ferrous Targets

    Iron Reject Rejecting ferrous targets. GPX 5000 Range Off (All Metal), 1–10 GPX 4800 Range Off (All Metal), 1–10 Factory Preset Off (All Metal) Not all targets are clearly ferrous or non-ferrous. A lot of A low level of Iron Reject requires a stronger ferrous signal targets could be described as 'maybe' ferrous.

  • Page 40: Custom Name / Changing Your Custom Search Mode Name

    Custom Name ( Pinpointing Changing your Custom Search Mode name. Locating the target. You can personalise any of the four Custom Search Modes To find a target, and reduce the size of the hole required to with a name from the Custom Name list. remove it from the ground, it is necessary to pinpoint the exact location of the target.

  • Page 41: Recovering The Target

    Pinpointing Recovering the Target Continued... To pinpoint a detected target sweep the general area with the 1 Clear the area of loose surface material and check that the coil taking note of where the strongest signal is received. target signal is still there. If it is not, the target should be amongst the moved surface material.

  • Page 42: Detecting Tips

    Recovering the Target Detecting Tips Continued... 6 If the target signal disappears from the hole sweep the coil Follow these hints and techniques to help you to utilise the over the loose dirt and pinpoint its exact position. power of your GPX Series detector, to ensure that every trip is a success.

  • Page 43: Commander Coils

    Detecting Tips Commander Coils Continued... – Do not try to eliminate what might appear to be a faint, The GPX Series are supplied with the 11” Double D coil. This isolated ground noise by balancing the detector over the coil has an excellent combination of depth, sensitivity and target;...

  • Page 44: Choosing The Right Coil For The Job

    These are not manufactured, to its Double D brother, the 11” Monoloop is a brilliant coil for warranted or supported by Minelab. Please almost any situation. The second most sensitive Commander Terrain and Vegetation...

  • Page 45: Troubleshooting

    Choosing the Right Coil for the Job Troubleshooting Continued... Small, Large, Deep Highly Less Open Heavy Iron Shallow Nugget Mineralised Mineralised Ground Scrub Disc. Nugget 10" x 5" Elliptical No sound – Check that the detector is on (battery, power cable, Double D connections and LCD) –...

  • Page 46: Glossary

    Glossary Control Box False Signals Hot Rock Monoloop Coils This encloses the electronic circuitry of the These sound similar to target signals but are An individual rock which has a high degree Monoloop coils are the style of coil where the detector.

  • Page 47: Taking Care Of Your Detector

    It transmits electromagnetic signals the control box using a dry paint brush. Clean where the detector makes continuous repairs should be sent back to Minelab or a into the ground and receives the response. the detector shaft and coil with a damp cloth adjustments to the Ground Balance to Minelab authorised repairer.

  • Page 48: User Preferences

    User Preferences GPX 4800 Main Menu (Universal Functions) GPX 5000 Main Menu (Universal Functions) Function Range My Preferred Function Range My Preferred Backlight Off, 1–8 Backlight Off, 1–8 Battery Test 0–8.0V, +8.0V Battery Test 0–8.0V, +8.0V Volume Limit 1–20 Volume Limit 1–20 GB Type General, Off...

  • Page 49: Technical Specifications

    14 days of the original purchase date. Storage Temperature Range –20°C to 65°C (–4°F to 149°F) If you need to return your detector to Minelab for service, please fill out the Minelab Service Repair Form. Please supply Battery your name, address and phone number along with purchase date and serial number when sending detector parts for repair.

  • Page 50: Service And Repair Form

    Purchase Date © 2009 Minelab Electronics Pty Ltd This document contains proprietary From our origins in 1985, Minelab have specialised in advanced electronic Part(s) Sent information which is protected by technologies. Our competitive advantage was created almost immediately with a copyright.
  • Page 51 Minelab Electronics Pty Ltd PO Box 537, Torrensville Plaza Adelaide, South Australia, 5031 Australia Tel: +61 (0)8 8238 0888 Fax: +61 (0)8 8238 0890 Email: minelab@minelab.com.au Minelab International Ltd Laragh, Bandon Co. Cork Ireland Tel: +353 (0)23 885 2101 Fax: +353 (0)23 885 2106 Email: minelab@minelab.ie...

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