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40  PulseScan TDI Owner’s Guide

White’s Electronics, Inc.

1011 Pleasant Valley Road

Sweet Home, Oregon 97386 USA

541-367-6121

www.whiteselectronics.com

Edited by:

Jimmy “Sierra” Normandi

Mary Hand

Steve Howard

Part Number 621-0504

Summary of Contents for PulseScan TDI

Page 1: ...PulseScan TDI Owner s Guide TDI Owner s White s Electronics Inc Manufacturers of the World s Finest Metal Detectors GuIDe ...

Page 2: ... PulseScan TDI Owner s Guide ...

Page 3: ...tion 7 Charging Systems and Batteries 8 CONTROLS 0 Power 0 Threshold Target Conductivity Frequency 6 Pulse Delay 7 Gain 9 Ground Balance INITIAL SET UP 5 More Variable Audio 8 More Pulse Delay 0 White s Warranty White s Warranty UK 5 White s Warranty Service Centers 8 ...

Page 4: ...SSEMBLY HIP MOUNTABLE Washers between each loop ear clevis Search Coil Cable Retainer Camlock Clevis Lower Rod S rod Loop Connector Control Box Battery Compartment Door Headphone Jack Battery Compartment Latches õ õ õ õ õ õ õ õ õ õ õ ...

Page 5: ...e top of the curved S rod about five revolutions Use the black cable retainers one near the loop and one near the top of the curved S rod to hold the loop cable in place 5 Unlock control box rod cam lock and insert curved S rod so that stainless steel spring clip buttons line up and lock into the rod on top of the control box The S rod is designed to curve up towards the display However those who ...

Page 6: ...trix and the lack of the normal target to soil reactions it may take a number of years for freshly buried targets to respond at true depths The best way to determine true detection depth is in real search conditions Hip Or Chest Mounting a On top of the control box the rod to case mounting plate has four Phillips head screws Remove these four screws and remove the rod loop arm cup assembly from th...

Page 7: ...duce an audio tone for possible identification of the detected target User controlled manual balanc ing of the ground has the additional benefit of giving the user the option of fine tweaking for different situations thus increasing the probability of hearing the faint signals of small or deep targets The Manual Ground Balance feature of the Pulsescan TDI can be turned off if the ground mineraliza...

Page 8: ...ame power characteristics It supplies a nominal voltage of 14 4 volts and approxi mately 500ma of current to the detector during operation The Smart Charger Part Number 509 0040 used for recharging the Lithium Ion batteries is supplied with the detector It has two internal lights that indicate the status of the charge cycle CHARGING SYSTEMS BATTERIES AND BATTERY CONDITION ò GREEN RED YELLOW ò ò OP...

Page 9: ...y is ready to use 5 If the battery is left connected the light will start to cycle between RED and GREEN Unplug the charger and dis connect the battery 6 Only use the charger indoors It is not weatherproof 7 Do not cover the charger 8 Do not use the charger in an ambient temperature greater than 140 degrees Fahrenheit or 40 degrees Celsius 9 Remove the charger from the AC outlet before disconnecti...

Page 10: ...ncorporates a locking device to prevent accidental movement off or on How to use it The locking mechanism prevents this toggle from accidentaly being bumped This is particularly valuable while operating the various control knobs Just lift the spring loaded toggle to release the lock and move the toggle IMPORTANT You must LIFT the Power Switch to release the lock and move the toggle ...

Page 11: ...hum which is always present is increased when the knob is turned clockwise How to use it In most detectors including the Pulsescan TDI the threshold is adjusted to a faintly audible level by turning the knob clockwise Unique to the Pulsescan TDI it is best to adjust the threshold past the chatter point so that the sound is rea sonably continuous Then adjust the headphone volume to a comfortable le...

Page 12: ...I Owner s Guide THRESHOLD LEVELS Noise Threshold Level Noise Chatter can be heard in Threshold Threshold Level Threshold set above chatter so chatter is not heard Reduce volume with headphones NOT RECOMMENDED IDEAL ...

Page 13: ... Low and all signals will sound the same How to use it Set to low for low conductive metals only including small to medium sized gold nuggets most small to large specimen gold in quartz small gold rings very small silver rings and small gold coins nickels small thin hammered silver coins small bronze Roman coins small boot tacks lead bird shot tiny broken bits of iron aluminum pull tabs foil and b...

Page 14: ... 4 PulseScan TDI Owner s Guide Only High Conductivity Targets RESPOND Both High and Low Conductivity Targets RESPOND Only Low Conductivity Targets RESPOND ALL LOW HIGH ...

Page 15: ... low conductive category Prospectors should possibly opt to search while hearing both high and low conductive metals until a determination is made as to how targets including trash are responding If the gold in the area being searched is predominately small to medium sized then searching in low conductivity only will find most gold and eliminate most iron trash Coin hunters can avoid digging pull ...

Page 16: ...ed nearby This interference is recognized by a warbling or pulsing of the audio threshold in a repetitive way and can mask target signals The Pulsescan TDI has a frequency range of 3 25 kHz to 3 37 kHz pulses per second How to use it Electrical interference is not exclusive to urban areas where power line harmon ics local radio transmissions or microwave transmissions can raise havoc with the audi...

Page 17: ...of the transmitter pulse This setting gives the highest sensitivity to all objects regardless of conductivity However raising the pulse delay toward 25 uS is used to maximize the signal to high conductive metals such as silver or larger targets by supressing the signal from low conductivity targets This setting can be set anywhere between 10 uS and 25 uS depending on the circumstances to enhance p...

Page 18: ...ip Aluminum pulltabs will also be heard Very low pulse delays can also result in the detection of conductive salt water when detecting along beaches If you were primarily looking for high conductive metals such as silver increase the Pulse Delay toward the maximum setting of 25 uSeconds thus reducing the signals from very small trash items such as small iron and foil Large iron usually falls into ...

Page 19: ...n be heard clearly This process can be accomplished more easily and effectively if the gain is set at an appropriate level Never assume that the higher gain is set the deeper the detector will go Although environmental noise EMI electromagnetic interference can affect the level of gain that can be used the ground mineralization has the most influence on how high the gain can be set for optimum per...

Page 20: ...be confused by false signals chatter or blanking out of the threshold hum Keeping the detector ground balanced is important but one of the best ways to keep a smooth operation is to apply the appropriate amount of gain The threshold will let you know if the gain is set too high If it is erratic jumping around falsing noisy gasping turn down the gain ...

Page 21: ...it This toggle must be kept in the On position when you are able to find a ground balance point In this instance you have both Manual Ground Balance and Audio Tone If you can find a setting on the ground balance control where the ground noises go away then you must leave the Gnd BalToggle on and select a conductivity option If you are not able to find a ground balance point and the detector operat...

Page 22: ...ound Balance and Audio Tone feature Then set the Ground Balance as noted in Chart A Chart A Mandatory settings if you cannot find the ground balance point and wish to activate the variable Audio Feature If you have set the Pulse Delay at 10 uS which is recommended for average size gold set the Ground Balance control at approximately 8 If you have set the Pulse Delay midway set the Ground Balance a...

Page 23: ... coil slowly up and down toward the ground You will hear the high tone of low conductive metal as you approach the ground Now start turning the Ground Balance knob slowly clockwise as you continue this pumping process The high tone will usually continue with each pump toward the ground for a short period of time and then start to fade to no tone other than the threshold hum Continue the process of...

Page 24: ...if you begin to hear ground noises false signals you should also adjust the ground balance Of course the Gnd Bal toggle must be On to use the Gnd Bal control If the Pulsescan TDI does not require ground balancing there is another option The Pulsescan TDI can be operated as a standard pulse detector with no variable audio by switching the Gnd Bal toggle OFF All targets will now sound the same The u...

Page 25: ...T UP To get started set the controls to a mid range position For now the main con cern is setting the threshold and adjusting the settings for the other controls Set the controls to mid range as follows Ground Balance 6 Conductivity All Freq Adj 12 noon Pulse Delay 10 uS Gain 6 Gnd Bal toggle OFF Check your Battery LED for charge level ...

Page 26: ...sses over the target you hear a response only when the search coil is kept in motion Stopping over the target the signal will disappear and you only hear the threshold hum Be sure to use a reasonably sized target so that you can get a better idea of what a target sounds like Note that the target audio will get louder and the pitch will rise as the search coil passes over the target Now is a good t...

Page 27: ...an TDI with no Variable Audio as a straight pulse detector and dig all targets or b If you wish to detect with Variable Audio active you may switch the Gnd Bal toggle to the On position and activate this capability and set ground balance according to Chart on page 22 FINAL ADJUSTMENTS AND YOU ARE ON YOUR WAY If all has gone well to this point you might see if you can increase the Gain in small sta...

Page 28: ...able Audio as that more correctly describes it What is really going on is the audio responses heard are a by product of the ground balancing system and are actually responding in a particular way to the speed at which the signal from the target decays as the search coil passes over it Having tuned out the ground signal the decay from metallic targets is either faster or slower and does not balance...

Page 29: ...ron or steel objects such as tin lids and flat sided cans can give a mixed response This can sound like low tone high tone low tone as coil passes over the target The sweep will have to be slower to notice this The high tone response is usually stronger and longer but with time and practice this can be helpful to identify flat iron With practice you will be better able to use your low tone and hig...

Page 30: ...se delay 10 uS 10k or 14k rings will usually react as low conductive whereas a purer gold ring 22 k may react as high conductive This can also be the case with very pure or large gold coins and gold nuggets A solid US 5 10 or 20 gold coin will usually read as high conductive whereas a 2 1 2 gold coin will read low conductive Pure gold Bullion 24k like a one ounce Canadian Maple Leaf will read as h...

Page 31: ...process you will find that you have to ground balance after changing the level of pulse delay In addition the level of pulse delay will have an affect on the ability to ground bal ance This was found out during our initial testing of the Pulsescan TDI on an extremely black sand salt water beach The Pulse Delay was initially set at 10 uS At once we found that we had trouble achieving a clear ground...

Page 32: ...ng Services etc and all shipping handling costs inside the continental USA 90 days after purchase White s registers your purchase only if the Sales Registration Card is filled out and returned to the factory address by your dealer soon after original purchase The purpose of recording this information is to keep you up to date regarding White s ongoing research development The warranty does not cov...

Page 33: ...White s as the manufacturer of your metal detector Any extended warranty period beyond two years which may be provided by a Dealer or other third party on your detector may be without White s authority involvement and consent and might not be honored by White s Electronics Inc ...

Page 34: ... the original owner as well as any secondary owners Original Owner Name _________________________________________ Address Which appears on the original warranty card ______________________________________________ ________ ______________________________________ _______________________________________________ Imstrument Serial ______________________________ Original Purchase Date ___________________...

Page 35: ...nd we shall carry out the necessary work for you ANY WORK CARRIED OUT BY UNAUTHORIZED PERSONS WILL AUTO MATICALLY NULLIFY THE WARRANTY If within two years 24 months from the original date of purchase your White s detector fails due to defects in either material or workmanship White s Electronics UK Ltd will repair or replace at its option all neces sary parts without charge for parts or labor Simp...

Page 36: ..._________ _______________________________________________ _______________________________________________ Comments _____________________________________ If for any reason you should sell your Pulsescan TDI prior to the date the warranty expires the remaining warranty is transferable Simply fill out the following information including the Authorization Num ber seal it in a stamped envelope and send...

Page 37: ...r purpose shall not be longer than the stated warranty Neither the manufacturer nor the retailer shall be liable for any incidental or consequential damages resulting from defects or failures of the instru ment to perform This warranty does not affect your statutory legal rights White s Electronics UK ltd 35 harbour Road Inverness Scotland IV1 1UA Telephone 01463 223456 Fax 01463 224048 e mail sal...

Page 38: ...3 367 7999 Fax 703 367 0868 E Mail bob cwrelics com Electronic Exploration 575 West Harrison Lombard IL 60148 Toll Free 800 392 3223 Or Toll 630 620 0618 Fax 630 620 1005 E Mail tony ee il com White s Electronics Inc 1011 Pleasant Valley Road Sweet Home OR 97386 Toll 541 367 6121 Extension 128 E Mail tmarshall whiteselectronics com Web Site www whiteselectronics com WHITE S WARRANTY SERVICE CENTER...

Page 39: ...uide 9 White s UK Ltd 35J Harbour Road Inverness Scotland IV1 1UA Telephone 011 441 463 223 456 Fax 441 463 224 048 E Mail sales whelects demon co uk Web Site www whites co uk UK EUROPE NORTHERN ASIA AFRICA NEAR EAST MID EAST ...

Page 40: ...n TDI Owner s Guide White s Electronics Inc 1011 Pleasant Valley Road Sweet Home Oregon 97386 USA 541 367 6121 www whiteselectronics com Edited by Jimmy Sierra Normandi Mary Hand Steve Howard Part Number 621 0504 ...

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