QED PL3 Owner'S Manual Download

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Notes

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AUTO GND BAL (AGB)

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Description

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YouTube Reference

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Notes

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2. THRESHOLD B

–

(THS-B) (BIAS)

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History of THS-B and NULL

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Description

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Navigating to Threshold B

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YouTube Reference

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Threshold B NULL Position

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YouTube Reference

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Small Search Coils

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Medium Search Coils

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Large Search Coils

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Notes

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3: THRESHOLD A

–

(THS-A) (VOLUME)

........................................................... 21

Description

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Adjusting

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Threshold A

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YouTube Reference

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Notes

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4: GAIN

............................................................................................................ 22

Description

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Adjusting Gain

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YouTube Reference

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Notes

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5: MODE

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Description

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Beach Mode

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Adjusting Mode

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Youtube Reference

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Notes

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6: SMF (STATIC MAGNETIC FIELDS)

................................................................ 25

Description

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Adjusting SMF

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Summary of Contents for PL3

Page 1: ...TY LTD ACN 614 858 990 P O BOX 106 R REDAN VIC 3350 AUSTRALIA QED PL3 With the August 2019 QED Software Update OWNERS MANUAL Proudly made in Ballarat Victoria Australia QED image is for illustration p...

Page 2: ...n experienced operator you may find the settings to be different to anything you have previously used Whether you are a first timer or an experienced operator your confidence will develop as you maste...

Page 3: ...NUAL V 7 1 May 2020 QED PL3 OWNERS MANUAL V 1 0 TABLE OF CONTENTS QED INTRODUCTION 2 DOCUMENT CHANGE CONTROL 3 TABLE OF CONTENTS 3 NAVIGATING THE CONTROL INTERFACE 7 START UP 8 MENU OPTIONS 9 FACTORY...

Page 4: ...9 YouTube Reference 19 Small Search Coils 19 Medium Search Coils 20 Large Search Coils 20 Notes 20 3 THRESHOLD A THS A VOLUME 21 Description 21 Adjusting 21 Threshold A 21 YouTube Reference 21 Notes 2...

Page 5: ...PRESSORS 31 STANDARD SPEAKER 32 SEARCH COIL TYPES 33 ADVANCED SETUP GUIDE 34 HOW TO SEARCH THE GROUND 35 FINE TUNING EXERCISE 36 QED Setup Procedure 37 OPTIONAL QED BATTERY EXTENDER 40 ADDITIONAL INST...

Page 6: ...y Default Setting 49 QED and powerlines 49 QED Fuse 50 Rising vs falling pitch targets 50 Targets with a long and narrow profile 50 Audio Recovery 51 Beach Mode 51 THS B NULL Variance 51 Abnormally No...

Page 7: ...ngle image on the control box is the DECREASE ADJUSTMENT button Use the button to TOGGLE between menu Item Select and Menu Item Adjustment Press and hold the button to TURN OFF the detector Click on t...

Page 8: ...ither buttons When on the required adjustment menu item number press the button Step 5 INCREASE variable using or DECREASE using Step 6 To return to variable menu press the button Step 7 To turn detec...

Page 9: ...us Mains Rejection SMR FACTORY DEFAULTS Setting Range Factory Default Manual Ground Balance 1 300 150 Threshold B Bias 1 99 50 Threshold A Volume 1 90 30 Gain 1 10 1 Mode Gold Detecting in Mineralised...

Page 10: ...se of DD Coils Setting Pre Aug 19 Update Aug 19 Update Range Default Range Default Manual Ground Balance 1 200 100 1 300 150 Threshold B Bias 1 99 50 1 99 50 Threshold A Volume 1 90 30 1 90 30 Gain 1...

Page 11: ...evailing EMI conditions and Ground Type will allow Re Ground Balance MGB or AGB Target Response Get a 5c coin and a 1 coin and set them approximately 60 cm apart Swing over the 5c coin and you will ge...

Page 12: ...g GRD BAL Press the button to increase a variable number Press the button to decrease a variable number TURN THE DETECTOR OFF PRESS and HOLD the button for three seconds Click on this YouTube link to...

Page 13: ...audio tone as the coil is in the DOWNWARD motion o If the audio on the downward motion is a LOW tone then you will need to increase the MGB o If the audio on the downward motion is a HIGH tone then y...

Page 14: ...g Ground Balance whilst detecting To recheck the ground balance tilt lift the coil at the end of each left right swing as you are detecting and take note of the audio response 1 If there is no respons...

Page 15: ...te of the response to determine either rising or falling pitch 2 If the pitch rises toggle the MGB DOWN 20 counts or UP 20 counts if the pitch falls then swing over the patch again If the signal has d...

Page 16: ...15 off the ground press and hold the AGB button while lowering the coil in a very fast motion The AGB Button MUST be released when the coil is about 3 from the ground Note Do not hit the search coil w...

Page 17: ...ant small targets will then produce a rising high pitch target response and long time constant targets large targets roughly 2 5 g or larger will produce a falling low pitch response this equates to e...

Page 18: ...target When prospecting for fine gold fit a small coil and adjust THRESHOLD B accordingly to suit the coil using a known specimen target Raising THRESHOLD B will accentuate falling pitch targets usual...

Page 19: ...see how to set Threshold B to NULL Small Search Coils When using small coils for small tiny targets set the THS B to an acceptable audio level below the NULL position From the NULL position decrease T...

Page 20: ...gets in the ground Raise THS A Menu Item 3 to create desired audio threshold volume Large Search Coils Once the NULL position has been located increase THRESHOLD B with the button until the desired th...

Page 21: ...hreshold B to NULL and use Threshold A to create desired threshold Note As Threshold A is increased the usable Threshold B range will decrease Note If using headphones then you can keep THS A low and...

Page 22: ...ecognize a target in audio check ground balance or reduce GAIN until stable Note Ensure that GAIN is re checked often usually after a Ground Balance as mineralized ground may allow a higher GAIN setti...

Page 23: ...coils may require increased MODE if adjusting the DELAY cannot achieve GROUND BALANCE Select the appropriate level of MODE setting reflecting the size of coil to be used the target size soil depth an...

Page 24: ...button Decrease the MODE setting use the button Note The detector needs to be Ground Balanced after mode has been changed Note Threshold B and other settings should be set after MODE has been configur...

Page 25: ...c Field The bigger the coil and the faster the swing speed the bigger the problem The factory pre set setting of 50 is used to minimize this signal Further if as a result of the ageing of the electron...

Page 26: ...D will automatically turn off when the battery voltage is below 6 Volts Note When the battery is nearly flat a decimal point appears on the screen If the operator shuts down when the decimal point app...

Page 27: ...ttery Fit the two protected Lithium batteries ensuring correct polarity as per the image below Carefully fit the batteries by firmly pushing each battery down onto the bottom lug then slide the top of...

Page 28: ...carried out as often as you need during the charge cycle Lithium li ion Battery Care Do not unnecessarily remove and refit your batteries as this poses a physical risk of damaging the battery termina...

Page 29: ...Adjusting Pitch Select Menu Option 8 then press the button to open the PITCH setting then either Increase the PITCH setting with the button Decrease the PITCH setting use the button Take note of the...

Page 30: ...o precisely adjust the cancellation of single phase 50Hz mains signals Adjusting SMR can be used to null out 50Hz mains EMI that is off frequency It may also be used to null out other rhythmic EMI sou...

Page 31: ...to meet the Australian EMI compliance laws One ferrite EMI suppressor needs to be fitted to the search coil plug end the end inserted into the detectors control box for each coil intended to be used...

Page 32: ...rately charge the speaker An audio cable is supplied with the QED and is used to connect the speaker to the QED audio outlet as shown in the top photo to the left The speaker is fitted to the QED Spea...

Page 33: ...ode to see whether you can wring out even more performance from the QED The typical round MONO coil will produce an inverted cone shaped energy field generally providing greater sensitivity and depth...

Page 34: ...ance MGB THS B NULL for all targets lower than NULL to enhance small target response NULL for all targets Higher than NULL to enhance large target response THS A Low 30 or less Start at Default 30 and...

Page 35: ...ear of the ground Sweep the coil in a wide arc without lifting the coil at the end of each arc Overlap each swing over the previous arc to ensure you do not miss any targets When a target is identifie...

Page 36: ...hreshold audio signal volume is as high as tolerable and swing coil over both targets again You will notice that the small target signal will be enhanced when compared with the previous signal respons...

Page 37: ...knowledge will help in setting up the QED later From experience not all highly mineralised areas are the same For example the quartz at Tibooburra is far less red but with black flecks aplenty simila...

Page 38: ...ck up until quiet probably around 1 2 under NULL 4 Increase Gain until noisy then back down until quiet or to a point where you are happy with the threshold try to hold the highest possible gain I gen...

Page 39: ...around 1 2 above NULL 3 Increase Gain until noisy then back down until quiet or to a point where you are happy with the threshold try to hold the highest possible gain I generally am able to use a gai...

Page 40: ...r cover Velcro and a lead to connect the battery pack to the QED The extender pack connects to the QED via the QED battery charging white connector using the supplied lead Refer to the photographs bel...

Page 41: ...using the supplied Velcro It is advised to fit the extender pack to the QED and leave it attached connected and charged via the charging port on the extender pack This is for one very important reaso...

Page 42: ...to Goldman s YouTube Channel Additional QED Web Resources Facebook Simply request to join https www facebook com groups 2879566565451218 ref share Official Web Site QED Manual Download the QED Manual...

Page 43: ...ter Poole Chapman and Howells and more recently the lapsed patent of Dr George Paltoglou and Australian Innovation Patent AU2010101019 The front end blocking circuitry is US Patent No 10 181 720 B1 da...

Page 44: ...The control box boxes Manufacturer s warranty does not cover damage caused by Over or reverse voltage supply Alterations Accident Neglect Abuse Misuse Water ingress or Unauthorised modification servi...

Page 45: ...ing for any gold in range of the coil You SHOULD still use THS B below NULL with highish THS A 60 90 as most gold in this range will be smallish bits with hopefully many larger bits Note that the A in...

Page 46: ...hen raise THS A say from 30 to 50 or from 50 to 70 or higher then set THS B to just under NULL or at NULL The QED will be less sensitive to rising pitch targets and you may miss the really small ones...

Page 47: ...all targets Once the above is understood with the appropriate Mode and Gain then you are well on your way to utilising the full potential of the QED BTW near max or max THS A is another way of finding...

Page 48: ...in numbers or down to GB 1 Listen for the tone as you lower the coil to the ground and determine whether it is A high rising pitch in which case you ll need to go down in numbers or A low falling pitc...

Page 49: ...ED and powerlines One of the QEDs big advantages over other detectors is its ability to operate directly under single phase powerlines without interference The SMR Synchronous Mains Rejection default...

Page 50: ...f wire bearing in mind that the double dip will occur when moving the coil along the length of the above object single target response when moving at right angles to the length of the object So test t...

Page 51: ...decrease MGB from default until quiet If any other users have used the QED on sand or at the beach then please add your tips here so that others can benefit from your experience THS B NULL Variance T...

Page 52: ...nging the coil in an upwards direction at the end of your swing like a pendulum to check the GB This is contrary to good detecting practice where for even maximum detecting distance a full flat swing...

Page 53: ...changed from mode 1 through to mode 15 Note that these figures were obtained with the QED prior to the 2019 upgrade BTW the GB number is just a number for your reference there is no mineralised groun...

Page 54: ...ed above you now know what it is and how to deal with it It is definitely worth noting that the Detection Hole in the latest QED with the 2019 upgrades GB and DD coils has become even more narrow so t...

Page 55: ...QED on choose number 7 batt and check the battery voltage If it s in the 8s it won t be long before it s charged Once you have checked the battery voltage always turn the QED off as it will take long...

Page 56: ...56 NOTES...

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