White’s Electronics TDI Pro User Manual
TDI
WNER’S
O
GUIDE
Pro
Owner’s Guide 1
™
TDI Pro
White’s Electronics, Inc. -
Manufacturers of the World’s Finest Metal Detectors
2 TDI
Pro
Owner’s Guide
Although the new Pulsescan TDI Pro
was designed with the Gold Prospector
in mind, its features and performance will
be just as valuable to Beach, Relic, and
serious coin Hunters.
During the development of the Pulsescan TDI Pro, we kept in mind the
comfort of the user, easy to operate, in addition to producing outstanding
performance at an affordable price.
The Pulsescan TDI Pro is a deep searching, sensitive pulse induction
metal detector which incorporates a user controlled manual ground
balancing feature, a by product of which is the ability to produce an audio
tone, for possible identifi cation of the detected target.
User controlled manual balancing of the ground has the additional benefi t
of giving the user the option of fi ne 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 Pro can be
turned off if the ground mineralization is not severe enough to require it,
as the pulse circuitry itself is able to ignore most ground mineralization by
its very nature. In this situation, with the FINE GEB off, there is no audio
tone variation all metal targets will sound alike, and additional depth can
be attained in low mineralized grounds.
White’s is proud to have been able to work with Eric Foster, of Oxford,
England, who enjoys the worldwide reputation of being the “Father of
Pulse Technology”.
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Owner’s Guide 3
Contents -
Assembly..............................................................................................................4
Charging Systems and Batteries.............................................................7
CONTROLS.................................................................................................................10
ON/OFF GAIN.........................................................................................................10
V
OLUME.....................................................................................................................11
THRESHOLD................................................................................................................12
TARGET CONDUCTIVITY..............................................................................................14
REQUENCY ...............................................................................................................18
F
PULSE DELAY.............................................................................................................18
GEB (G
ROUND EXCLUSION BALANCE)......................................................................20
INITIAL SET-UP...................................................................................................23
More Variable Audio....................................................................................27
More Pulse Delay..........................................................................................29
White’s Warranty Service Centers......................................................31
White’s Warranty..........................................................................................32
White’s Warranty UK...................................................................................34
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ASSEMBLY -
Clevis Lower Rod
Owner’s Guide
S-rod
Search Coil
Connector
Control Box
Washers between each
loop ear & clevis
Search Coil
Cable Retainer
Camlock
Headphone
Jack
*Assembly same for all TDI models
Battery
Compartment
Latches
HIP MOUNTABLE
Battery
Compartment
Door
Shown on TDI
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Owner’s Guide 5
1. Remove all parts from the shipping carton and check assembly page to
make sure all parts are present.
2. Install black rubber washers on fi ber clevis/lower rod, insert lower rod
onto loop ears. Use only nonmetallic washers, fi ber bolt, and fi ber thumb-
nut to secure loop/search coil to clevis/lower rod.
3. Unlock “S” rod cam-lock and insert clevis/lower rod into curved “S”
rod so that stainless steel spring clip buttons line up and lock into one of
the adjustment holes in the curved “S” rod. Turn camlock to secure. The
second or third adjustment holes are suitable for average sized adults.
Individuals six feet or taller should use the fully extended position.
Individuals well over six feet tall should purchase the optional Tall Man
Rod accessory.
4. Unravel search coil cable and wind the cable around the clevis and rod
assembly. First revolution over the top of the rod. Wind cable all the way
to the top of the curved “S” rod, (10-16) revolutions. Use the black cable
retainers, one near the search coil, and one near the top of the curved “S”
rod, to hold the loop cable in place.
5. Unlock control box cam-lock and insert curved “S” rod so that stainless
steel spring clip buttons line up and lock into the rod on top the control
box. The “S” rod is designed to curve up towards the display. However,
those who prefer to sweep the search coil close to their feet may desire
to assemble the “S” rod to curve down towards the ground. Turn cam-lock
to secure. Plug search coil connector into control box (only fi ts one way),
screw lock ring fi nger tight to secure.
6. Grip the instrument by the handle, with your arm in the elbow cup with
strap and sweep the search coil over the fl oor. If the instrument fi t feels
uncomfortable, readjust clevis/lower rod length with spring clip button and
cam-lock so that the loop/search coil can be held near the fl oor without
requiring bending at your waist (stooping over).
6 TDI
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Owner’s Guide
7. Remove the protective paper from the two black arm cup foam pads.
Carefully align pads on the inside of the elbow cup, one on each side of
the center rod, and press fi rmly into place.
8. Adjust the elbow cup strap so that it is loose enough for you to slide
your arm in and out of the arm-cup without lessening the strap each time
you want to set the detector down to dig. The elbow cup strap provides
extra leverage and control. However, some prefer not to use it.
9. Charge and install battery as described in the next section.
10. It should be noted at this point that the detector might not work as ex-
pected indoors due to the high degree of metal used in modern construction. It is best to tune and practice out-of-doors to ensure stable, predictable results. Additionally, freshly buried targets will rarely produce the
typical depth and tone results of targets that have been naturally lost and
settled in undisturbed ground. Due to the abnormalities caused by digging
a hole in the ground matrix, and the lack of 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.
11. Hip or Chest Mounting;
a) Disconnect the search coil cable from the control box. On top
of the control box, the rod mounting plate has four Phillips head screws.
Remove these four screws and remove the rod/loop/arm cup assembly
from the top of the control box. To prevent moisture/dirt from entering the
control box, replace the four screws on top the control box (sink all the
way) without the rod or mounting plate.
b) Unravel enough loop cable from around the rod to allow slack
to sweep the rod/search coil. Connect the rod/search coil cable to the
control box. Use two black Velcro straps provided to secure loop/search
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Owner’s Guide 7
coil cable to rod, one near the search coil and one near the last revolution
of the cable around the rod.
c) The control box can be worn on ones chest, hip, or waist based
on personal preference and comfort. Belt hook provided on bottom of
control box as well as four “D” rings to attach common camera/dog leash
connector type straps.
BATTERY AND CHARGING SYSTEMS -
The Pulsescan TDI Pro uses a rechargeable Lithium Ion Battery pack as
the power supply. This type of battery is required to supply the high current levels while weighing much less than other battery packs that have
similar power characteristics. It supplies a nominal voltage of 14.4 volts
and approximately 500 ma of current during use.
Lithium Ion Batteries require special handling during shipping and travel.
UN #3481 & 3480, DOT09042901 (60.2 watt hours). It must be carried on
passenger aircraft with contacts taped to prevent shorting. It Cannot be
transported if physically damaged.
The GREEN Battery Light on the top right side of the control box
cates battery condition. When this Green Battery Light glows brightly, the
batteries have enough voltage to operate the Pulsescan TDI Pro properly.
Once the green light no longer shines, stop using the Pulsecan TDI Pro
indi-
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Owner’s Guide
and recharge the battery. Continuing to use a battery “without the green
light shining” can damage the Lithium Ion Battery. Typically the Lithium
Ion battery will operate the Pulsescan TDI Pro approximately 8 hours per
charge.
Two battery chargers are supplied with the Pulsescan TDI Pro.
1. The Smart Charger (Part Number 509-0040) is used to recharge the
Lithium Ion Battery from a household wall outlet. It has two internal LED
lights that indicate the status of the battery charging cycle.
a. Connect the battery pack to the charger fi rst and then plug the
charger into a household wall outlet.
b. The LED lights in the charger will fl ash RED-GREEN-RED-GREEN.
This is a self-check that indicates the charger and battery are
operating correctly.
c. The RED light then comes on steady to indicate the charger is
charging and the battery is accepting a charge.
d. When the battery reaches a full charge (a minimum of 7 hours),
the red light fades and the green light comes on indicating the
battery is fully charged and ready to use.
e. If the battery is left connected to the charger for an excessive
amount of time, the lights will return to the initial RED-GREEN-
RED-GREEN cycle indicating the system is no longer charging.
First unplug the charger from the wall, and then disconnect the
battery from the charger.
f. Only use the charger indoors, it is not weather proof.
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Owner’s Guide 9
g. Do not cover the charger.
h. Do not use the charger in an ambient temperature greater than
140 degrees Fahrenheit / 40 degrees Celsius.
i. Charger and/or battery may get very warm during charging. This
is normal.
j. During recharging, position battery on the least combustible
surface available.
k. All rechargeable batteries slowly loose their charge during
storage, particularly if stored in the metal detector. After periods
of storage, recharge the battery prior to use.
l. Lithium Ion batteries can be recharged regardless if a partial
charge remains.
2. Optional 12 Volt (Automobile Accessory Jack) Battery Charger
a. Connect the 12 Volt charger to the 14.8 Volt Lithium-Ion Battery pack.
b. Connect the Charger to a 12-volt automobile accessory/cigarette
lighter plug in.
c. The charger light will fl ash RED-GREEN-RED GREEN. This
self-check cycle indicates the charger is working properly.
d. The RED light will turn on to indicate the battery is charging.
e. When the battery reaches full charge in about 3 hours, the GREEN
light will turn on and the battery will be ready to use.
f. Disconnect the charger from the 12-volt automobile accessory
/cigarette lighter plug in fi rst, and then disconnect the battery from the
charger.
g. It is normal for the charger and battery to get warm during the
charging cycle. Position the battery on the least fl ammable surface
available.
h. This is a fast charger (3 hours) compared to the standard wall
charger that requires a minimum of 7 hours. Fast charging is not
recommended as the sole means of battery charging.
i. Do not use the charger in an ambient temperature greater than
140 degrees Fahrenheit or 40 degrees Celsius.
10 TDI
WARNING -
• Use only to recharge White’s 14.8 Volt Lithium-Ion battery
pack #510-0023.
• Do not expose the battery or charger to rain or severe
humidity (it is not weather resistant).
• Keep all charger and batteries out of reach of children.
• During charging, position battery and charger on least
combustible surface available.
• Designed for use with negative ground 12 volt electrical
systems only.
Pro
Owner’s Guide
CONTROLS
ON/ OFF Gain -
What it does
The ON/OFF GAIN control turns the Pulsescan TDI Pro, ON (clockwise)
and OFF (fully counterclockwise) and selects the range at which the detector will hear a given target. Gain increases or decreases the amplifi ca-
tion of the receive signal determining both how deeply the Pulsescan TDI
Pro will hear a target (in ideal conditions) combined with how it is infl u-
enced by ground and external interference (in less than ideal conditions).
How to use it
Ground mineralization gets in the way of hearing target signals. This socalled bad ground can be balanced out by a ground balance procedure (a
form of fi ltering) so that targets can be heard clearly. This process can be
accomplished more easily and effectively if the Gain is set at an appropriate level.
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Owner’s Guide 11
Never assume that the higher the 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 greatest infl uence on how high the Gain can be set for optimum
performance.
By attempting to use more Gain than the ground minerals will allow, the
detector circuit can go into overload and in that condition will not be able
to perform properly. In that situation, reducing Gain will allow the detector
to effectively balance the ground and operate with increased performance
and improved penetration.
When operating the Pulsescan TDI Pro with a Threshold that is as smooth
as possible, the clarity of a true target signal will not be confused or hidden by false signals, chatter, or blanking of the Threshold, often the result
of too high a Gain setting. Keeping the detector ground balanced is very
important, however, the best way to maintain smooth stable operation is to
use the appropriate amount of Gain for the area conditions.
Inability to maintain a reasonable Threshold and/or Ground Balance, erratic operation, false signals, or noisy, are all signs the Gain is set to high
for the area.
Volume -
What it does
The Volume control increases or decreases the loudness of the audio
infl uencing both target responses and the Threshold level.
12 TDI
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Owner’s Guide
How to use it
Starting at the fully clockwise (maximum) position, anytime during searching
select a volume level comfortable for your hearing. It is recommended to set
volume to maximum prior to selecting a Threshold hum. Then, if target signals
are too loud, reduce volume during searching. The Threshold level may need to
be readjusted after signifi cant Volume control changes. The Pulsescan TDI Pro
requires a Threshold level higher than most metal detectors to exceed noise.
By selecting this threshold above noise, and then reducing the Volume control,
the Threshold level, and the overall loudness of a target response, can both be
optimized to your hearing. When using headphones with separate built in volume
controls, it may be best to leave the Pulsescan TDI Pro Volume control at maximum, reducing the volume with the headphone volume control.
THRESHOLD -
What it does
The Threshold adjusts the steady faint background hum heard continuously during searching. This is the edge of responding, providing the best overall sensitivity to targets as well as indicating what is occurring within the Pulsescan TDI
Pro’s electronics.
How to use it
In most detectors, including the Pulsescan TDI Pro, the Threshold is adjusted to
a faintly audible level, edge of responding. Unique to the Pulsescan TDI units, it
is best to adjust the Threshold past the chatter point so that the sound is reasonably steady and continuous. After selecting a Threshold level above the noise
level, the Volume control can be reduced to further reduce Threshold to a minimum audible level while still taking into consideration adequate target response
volume for your hearing. Again, when using headphones with built in volume
controls leave Pulsescan TDI Pro Volume at maximum and reduce volume with
headphone control.
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