HeadHunter LandPro Setup guide

TM
innovative treasure hunting concepts
TM
HEADHUNTER
L A N D P R O
Owner
Instruction
Manual

INTRODUCTION
2
Thank you for buying our HEADHUNTER LANDPRO
metal detector. You have purchased one of the most
compact land metal detectors in the world. Not only does
this metal detector contain today's most innovative
electronics, it is the first land detector that has all the
electronics built into the headphones and features a built-
in target locating probe operating at full-detection power.
By eliminating a control housing, weight of the detector is
significantly reduced and so is your arm fatigue. When you
travel, the HEADHUNTER LANDPRO also takes up very
little room. All of this is possible because of our innovative
micro circuitry and packaging design.
HEADHUNTER LANDPRO opens up a whole new world
of excitement. Thousands of valuables are continuously
lost each year and you can now start finding them. Learn
the operation of your new metal detector well, do site
research, obey the law, and respect the rights of others. If
you do all of the above, you will have an enjoyable,
successful hobby that will give you pleasure and relaxation
for years to come.
Happy hunting and good luck,
Gary Storm
TM
HEADHUNTER
L AN D P R O

TERMINOLOGY
3
If you are new to metal detecting, we have provided
definitions below to help you better understand
terminology used in this manual. The following was
reprinted with permission from: DETECTORIST, A How-To
Guide to Better Metal Detecting, by Robert H. Sickler.
AIR TEST - A test to determine the maximum sensitivity a
metal detector is capable of under ideal conditions. Various
sized metal samples are held beyond the searchcoil
bottom at varying distances to determine the limits of
audio or visual response. Air tests are not accurate
indicators of ground penetration ability. (see BENCH TEST)
ALKALINE - A grade of battery composition which sustains
higher current drain and possesses a greater shelf life than
basic carbon-zinc types.
BENCH TEST - Another form of air test used to define
which discriminate settings accept or reject various target
samples. Detector is placed upon a stationary, nonmetallic
rest and samples are manually passed across the bottom of
the searchcoil.
CARBON-ZINC - The standard or basic grade of drycell
battery.
DISCRIMINATION - Circuitry and the mode of operation in
which audio or visual responses from undesired metal
objects are intentionally eliminated.
GROUND BALANCE - A condition or mode of operation in
which the detector is adjusted to optimally reduce the
interference that ground mineralization has on metal
targets.
MOTION DISCRIMINATOR - A detector requiring constant
searchcoil motion to reduce the effect ground mineral
interference has on its discriminate function.
PINPOINTING - The act of aligning the center of target
response width to the designated searchcoil center for
accurate location and careful recovery.
SENSITIVITY - The measure of a metal detector's capacity
to sense changes in conductivity throughout the pattern
of detection set forth by the searchcoil configuration. (see
AIR TEST)
TARGET - Any buried or hidden object which a metal
detector responds to.
VOLUME CONTROL - A metal detector control which
regulates the loudness of target response.

BATTERIES & MAINTENANCE
4
Battery Replacement:
Your HEADHUNTER metal detector operates with two,
9-volt standard batteries (not supplied). Hourly use can be
extended by using 9V Alkaline batteries.
To add or replace batteries, place a coin in the slot
provided on the bottom of the headphone earcup without
the controls and turn like you would a door key. The
earcup will separate thus exposing the battery
compartment. Note the placement of the worn batteries
before removal. Remove the old batteries and insert two
fresh 9-Volt batteries into the connectors.
After batteries have been installed, carefully align the
earcup halves and press until a solid “snap” is heard. Make
sure battery connector wires are well inside of the seal
area and do not get pinched on reassembly.
Maintenance:
Note: LANDPRO model is not designed for water use. LANDPRO
models do not have a battery check system. They can be operated
continuously up to 50 hours on a fresh set of alkaline batteries. The
operator is advised to keep track of time logged on each set of
batteries to avoid shutdown in the middle of a hunt. Always carry
fresh batteries as a backup on every hunt. This is common practice
with all detectors, with or without a battery check system.
1. Store your detector in a cool place.
2. Never store it in a manner that it will be subject to
vibration or shock.

CONTROLS
5
TM
innovative treasure hunting concepts
0
DISC
1
2
3
456
7
8
9
10
SENS
0
1
2
3
456
7
8
9
10
OFF
VOL
1
2
3
456
7
8
9
10
HEADHUNTER LANDPRO models have three controls
and one toggle switch for the micro-encapsulated circuitry
located in one sealed earcup of the headphones. Batteries
are found in the other earcup and are user accessible.
The Discrimination (DISC) control has “stay-put”
segmented position adjustments. The Volume (VOL) and
Sensitivity (SENS) control adjustments are continuous and
not segmented.
Segmented controls allow the operator to make
adjustments without removing the headphones to view
the position numbers. Once discrimination points are
learned, the operator simply moves the control to the zero
stop position and counts the segment clicks to make the
desired adjustment. This only requires learning where the
three controls are located and the starting points of each
control. The control earcup should be worn on the side of
the head opposite the arm used to sweep the searchcoil
rod — thus giving a free hand to comfortably make
adjustments. The Sensitivity control can be adjusted
backwards from maximum (“10”) to lessen the effects of
ground mineralization and small surface trash. Obviously
the Volume control is set to the user’s preference and
does not require a secure position. The “stay-put”
segmentation of the Discrimination control is the most
user critical. Having this control accidentally lose
adjustment could possibly make you lose some valuable
targets if set too high.
The toggle switch diverts full detection power into
the shaft-mounted probe to aid in accurate target location
and non-damaging recoveries (see Operation page).
(probe, On/Off)

Searchcoil
Nylon Thumbnut & Stud Assemblies
for Isolator, Probe Mount & Arm Cup (5)
Nylon Wingnuts &
Stud Assembly
Searchcoil Cable
Headphones
w/ Circuitry,
Controls and
Probe On/Off
Switch
(batteries
not included)
Middle
Shaft
Target Probe w/ detachable mounting
bracket & Coil Cord
Spring Buttons
(shaft assembly &
adjustment)
®
Velcro Cable Anchor
Isolator &
®
Velcro Cable Anchor
Lower Shaft
Arm Cup Halves
(adjustable)
Upper Shaft
w/ Foam Handgrip
TM
innovative treasure hunting concepts
VOL
DISC
SENS
ASSEMBLY — LANDPRO
6

OPERATION
7
Operating Instructions:
The HEADHUNTER metal detector is one of the
simplest metal detectors to use. It employs fully
automated, ground balanced motion-discrimination
circuitry. The searchcoil must be in slight motion to
maintain audible target signal. The following is the basic
startup procedure.
1. Turn HEADHUNTER power ON. Set Volume to level
where you can hear target signals comfortably. This can
be accomplished by passing a coin back and forth under
the searchcoil. The 2-position toggle switch allows you
to change between the detector and probe. Test your
coil over a coin to determine the correct position for
normal operation. The connectors are interchangeable,
but you may wish to plug your coil and probe cables
into the same connector each time to keep consistent
which toggle position operates the detector or probe.
2. Turn the Sensitivity control fully clockwise to the
maximum level. If you hear chatter or static, reduce
level until no interference is audible. In highly
mineralized ground, it may be necessary to reduce
sensitivity. Your HEADHUNTER is equipped with a quality
"stay put" segmented potentiometer for the
Discrimination control. Sensitivity and Volume are
continuous turn controls. The Sensitivity and Volume
adjustments should be made according to how your
detector reacts in varying mineralized ground.
3. Next adjustment will be setting the Discrimination level.
After learning where undesirable items will be
discriminated out. You can adjust this before hunting by
passing examples of unwanted targets under the
searchcoil and adjusting accordingly. Or you can adjust
in the field after retrieval of unwanted items. If you
want to change Discrimination levels once operating
without having to view the control, just simply count
knob clicks from the "0" position. Again, bench testing
will teach you what click count setting certain objects
are eliminated from audio.
4. Swing your coil back and forth slowly over the ground.
Keep the coil as close to the ground as possible. Solid
sounding audio signals should always be investigated.
Rough pinpointing a target is accomplished by raising
(continued on page 8)

OPERATION
8
the searchcoil off the target and slowing the sweep
until the audio signal is centered under the coil in
opposing sweep directions. Remove a small plug of soil
in the target area to start.
5. Remove the probe from the shaft and flip the toggle
switch on the earcup to activate the probe. Move the
probe around to accurately locate your target on the
sides or bottom of your recovery hole. If the target is
not heard, remove more soil. This provides superior
location ability which can greatly aid in non-damaging
recoveries to targets and lawns! Don't forget to flip the
toggle back to detector operation after target recovery.
6. Please remove and dispose of all trash you find. No one
likes digging it up more than once!
7. With experience you will easily become professional at
retrieving finds with the LANDPRO Probe.
Land Detecting
Hunting coins, jewelry and relics with the
HEADHUNTER LANDPRO is not only fun, but very
rewarding. People have been losing objects since the
human race began. You now can start finding your share
of these lost valuables with your HEADHUNTER metal
detector.
Most detectorists look for coins and jewelry. Most old
towns have a picnic area, park or recreational area. Most
public areas are littered with trash objects. We suggest
you use as little discrimination as possible to avoid
rejecting valuable targets with conductivities similar to
trash such as some small gold rings and pull tabs. When
you first get your detector, bench testing it with various
sizes of gold and silver rings, coins and trash items will
train you how much discrimination will be needed and at
what numerical settings. When you make your first hunt,
we suggest not using the discriminator at all until you gain
some trash retrieval experience. In time you will learn how
to retrieve better targets based on sound character and
sometimes volume. There are many good books on the
market that teach hunting with a metal detector. We
suggest you learn all you can by reading about the many
different searching and retrieval techniques. However,
nothing will replace gaining your own experience.

DISCRIMINATION POINTS
109
Bench test your detector in an area free of metal and electrical
interference. For each item, return the DISC control to “0” and
rotate the knob while passing each item below the searchcoil.
Stop the knob when the item no longer signals or the sound
character becomes broken. This number will be a discrimination
reference point. It will not be possible for you to test all items on
the list, but this will give you an idea what different levels of
discrimination will do to your target. The items below are in
order of conductivity. Please note the good items mixed with the
trash items.
COMMON NAIL
FOIL
THIN RINGS (14K)
"TAB" OF PULLTAB
THIN RINGS (10K)
MEDIUM RINGS (14K)
NICKEL COIN (5 CENTS)
PULLTAB (WHOLE)
$2.5 GOLD COIN
"RING" FROM PULLTAB
THICK WEDDING BAND (14K)
THIN RING (STERLING SILVER)
3-CENT COIN (SILVER)
SQUARE TAB
$5 GOLD COIN
SMALL CLASS RING (10K)
INDIAN HEAD CENT
SCREWCAP (ALUMINUM)
HALF-DIME (SILVER)
ZINC CENT (COPPER PLATED)
LARGE CLASS RING 10K
2-CENT COIN
½ REALE COIN (SILVER)
BARBER DIME
"WHEAT" CENT
HALF-CENT (COPPER)
$20 GOLD COIN
CLAD DIME
1 REALE COIN (SILVER)
MERCURY/ROOSEVELT DIME (SILVER)
LARGE CENT (COPPER)
CLAD QUARTER
QUARTER (SILVER)
HALF-DOLLAR (SILVER)
DOLLAR COIN (SILVER)

WARRANTY
10
Record Your:
Date of Purchase:
Dealer Name/Address:
HEADHUNTER Model: q DIVER q WADER
q LANDPRO
Serial Number:
DetectorPro warrants to the original consumer
purchaser that your DetectorPro metal detector will be
free from defects in materials and workmanship under
normal use for two years (24 months) from the original
date of purchase. If your DetectorPro detector fails due
to defects in material or workmanship, DetectorPro will
repair or replace at its option all necessary parts without
charges for parts or labor.
This warranty gives you specific legal rights, and you
may have other legal rights that vary from state to state.
The warranty is non-transferable. Your warranty
registration card must be sent in 10 days from date of
purchase to validate your warranty.
The warranty excludes batteries, cable breakage due to
improper flexing, wear on searchcoil housing, and wear of
cable protection. Also excluded are metal detectors that
have been abused, altered, or repaired by an unauthorized
party. Opening electronics side of headphones and
tampering will void warranty.
q PULSE
TM
innovative treasure hunting concepts
1447, Route 44
Pleasant Valley, NY 12569
Phone: [phone]
Fax: [phone]
Email: [email protected]
Web Page: www.detectorpro.com
Tech Support: [email protected]

TM
innovative treasure hunting concepts
TM
HEADHUNTER
L AN D P R O
SPECIFICATIONS
1
Operating Search Frequency: 2.4 Khz
2
Searchcoil: 8“ Concentric, Co-Planar, RF Shielded
Probe: 5/8" dia. x 8" long, shaft mounted with coil cord
Audio Frequency: 400Hz
Headphone Transducer: Piezo Electric
Search Mode: Silent search, Slow Motion Discrimination
Operating Environments: Land, Beaches
Length: 43 to 53“
Weight w/Batteries: 3.5 Pounds
Batteries: (2) 9-Volt Carbon Zinc, Alkaline, or Rechargeable
3
Battery Life: up to 50 hours
Warranty: 2 years
NOTES:
1. Quartz Crystal Controlled
2. Insulated against static interference
3. When alkaline batteries are used in the detector
4. Specifications subject to change without notice