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Metal Detector
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Owner’s Manual
Please read before using this equipment.
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ˆ
Contents
Features .................................................................................................................................. 3
Treasure Hunter’s Code of Ethics ..................................................................................... 3
Preparation ............................................................................................................................. 4
Assembling the Detector ................................................................................................... 4
Installing Batteries ............................................................................................................. 4
Using Headphones ............................................................................................................ 5
Listening Safely ......................................................................................................... 5
Traffic Safety .............................................................................................................. 6
A Quick Look at Your Metal Detector ................................................................................... 6
Operation ................................................................................................................................ 7
Preparing the Detector ...................................................................................................... 7
Turning On the Detector ............................................................................................ 7
Tuning the Detector ................................................................................................... 7
Testing and Using the Detector ......................................................................................... 7
Indoor Testing ............................................................................................................ 7
Outdoor Testing and Use ........................................................................................... 8
Fine-Tuning the Detector .................................................................................................. 9
Adjusting Sensitivity ................................................................................................... 9
Adjusting Ground ....................................................................................................... 9
Adjusting Discrimination ............................................................................................. 9
False Signals ..................................................................................................................... 9
Detection Hints ................................................................................................ ................ 1 0
Pinpointing a Target ............................................................... .. ..................................... .. 10
Troubleshooting ................................................................................................................... 11
Care ....................................................................................................................................... 11
©
2000 RadioShack Corporation.
RadioShack and RadioShack.com are trademarks used by RadioShack Corporation.
2
All Rights Reserved.
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ˆ
Features
With your RadioShack Metal Detector, you
can hunt for coins, relics, jewelry, gold, and
silver just about anywhere. The Metal Detector is versatile and easy to use. Its features
include:
Three-Tone Audio Discrimination
sounds distinctive tones for different types of
metals, to make target identification easier.
Analog Meter
metal being detected.
Auto Tune
quickly for accuracy.
Arm Support —
your detector comfortably.
Waterproof Search Coil
detector to search under water. (The search
coil is waterproof, but the detector’s control
housing is not waterproof.)
Adjustable Stem
tector’s length for comfortable use.
Headphone Jack
phones (not supplied) to the detector.
Low Battery Indicator
when it is time to replace the batteries.
— shows the probable type of
— lets you tune your detector
lets you carry and operate
— lets you use the
— lets you adjust the de-
— lets you connect head-
— lets you know
—
TREASURE HUNTER’S
CODE OF ETHICS
All treasure hunters might be judged by the
example you set. Here are a few basic rules
you should follow while using your detector.
• Always get permission before searching
any site.
• Respect the rights and property of others.
• Observe all national, state, and local
laws while treasure hunting.
• Never destroy historical or archaeological treasures. If you are not sure about
an object you have found, contact a
museum or historical society in your
area.
• Leave the land and vegetation as it was.
Fill in any holes you dig.
• Use your detector only in safe areas.
• Dispose of any junk you find, only in
approved areas. Do not leave it for the
next treasure hunter to find.
Features
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ˆ
Preparation
ASSEMBLING THE
DETECTOR
Assembling your detector is easy and requires no special tools. Just follow these
steps.
1. Turn the stem’s lock
nut clockwise until it
loosens.
2. Lengthen or shorten
the stem so when
you stand upright
with the detector in
your hand, the search
coil is level with and
1
/2 to 2 inches
about
above the ground
with your arm relaxed
at your side.
3. Turn the stem’s lock
nut counter-clockwise
to lock it in place.
4. Unscrew the knobs
on the search coil
and remove the
knobs and connector. Insert the stem
and align the holes
on the search coil
bracket and the stem.
Push the connector through the holes,
then replace and tighten the knobs.
5. Wind the search coil cable around the
stem. Leave enough slack in the cable
to let you adjust the search coil when
you are hunting on uneven ground.
6. Insert the search coil’s plug into the
search coil jack on the detector’s control
Search
Coil
Knobs
Stem
Lock Nut
Arm
Support
housing so the pins on the plug are
aligned with the holes in the jack.
Cautions:
• The search coil’s plug fits into the
connector only one way. Do not force
the plug or you could damage it.
• To disconnect the search coil’s cable
from the detector, grasp the plug and
pull it out of the connector. Never pull
on the cable.
7. Loosen the knob at the search coil’s
end, then adjust the search coil to the
desired angle. (The search coil should
be parallel with the ground.) Tighten the
knob just enough to keep the search coil
from rotating or wobbling.
Caution:
coil or use tools such as pliers to tighten
it.
8. Loosen the knob at the base of the handle, insert the arm support, and tighten
the knob.
Do not overtighten the search
INSTALLING BATTERIES
Your detector requires two 9V alkaline batteries (not supplied) for power. For the best
performance and longest life, we recommend RadioShack alkaline batteries.
Cautions:
• Use only fresh batteries of the required
size and recommended type.
• Do not mix old and new batteries, different types of batteries (standard, alkaline, or rechargeable), or rechargeable
batteries of different capacities.
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Preparation
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PHONE
Jack
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1. If the detector is on, turn
Note:
When you turn the mode switch to
OFF
, the LOW BATT indicator flashes
MODE
to
OFF
.
once.
2. Press the right battery compartment
cover’s tab and slide the cover off in the
direction of the arrow.
3. Place a 9-volt battery into the battery
compartment on top of the ribbon,
matching the polarity symbols (+ and –)
marked inside.
4. Replace the right battery compartment
cover.
5. Press the left battery compartment
cover’s tab and slide the cover off in the
direction of the arrow.
6. Place a 9-volt battery into the battery
compartment on top of the ribbon,
matching the polarity symbols (+ and –)
marked inside.
7. Replace the left battery compartment
cover.
Warning:
Dispose of old batteries promptly
and properly. Do not burn or bury them.
Caution:
If you do not plan to use the detector for a week or more, remove the batteries.
Batteries can leak chemicals that can destroy electronic parts.
Notes:
• For better life, exchange the two batteries periodically.
• You can extend battery life by using
headphones, which require less power
than the built-in speaker. See “Using
Headphones.”
If the LOW BATT indicator lights during normal use or the detector does not function
properly, replace the batteries. If it still does
not function properly, you might need to reset the detector.
USING HEADPHONES
You can connect a pair of stereo headphones (not supplied) to the detector so you
can listen to it privately. Using headphones
also saves battery power and makes it easier
to identify subtle changes in the sounds you
hear, for better detection results. Your local
RadioShack store has a wide selection of
headphones.
To connect headphones to the detector, insert the
headphones’
inch plug into the
PHONE
jack on the
side of the control
housing.
The detector’s internal speaker disconnects when you connect headphones.
Listening Safely
To protect your hearing, follow these guidelines when you use headphones.
• Set the volume to the lowest setting
before you begin listening. After you
begin listening, adjust the volume to a
comfortable level.
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/8-
Preparation
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• Do not listen at extremely high volume
Traffic Safety
levels. Extended high-volume listening
can lead to permanent hearing loss.
Do not wear headphones while operating a
motor vehicle or riding a bicycle. This can
• Once you set the volume, do not
increase it. Over time, your ears adapt
create a traffic hazard and could be illegal in
some areas.
to the volume level, so a volume level
that does not cause discomfort might
still damage your hearing.
Even though some headphones let you hear
some outside sounds when listening at nor-
mal volume levels, they still can present a
traffic hazard.
ˆ
A Quick Look at Y our Metal Detector
MODE — lets you select from
OFF, VLF, TR1, TR2. (See “Turning On the Detector” on Page 7.)
GROUND — compensates for
false signals from mineralized
soil. (See “Adjusting Ground”
on Page 9.)
VOLUME — lets you adjust the
volume of alert tones.
Analog Meter
LOW BATT Indicator
SENSITIVITY — lets you adjust
the detection depth. (See “Adjusting Sensitivity” on Page 9.)
TUNING — adjusts the balance
between the receiver and transmitter. (See “Tuning the Detector” on Page 7.)
DISCRIMINATION — lets you adjust the metal detector’s ability
to distinguish between different
types of metal. (See “Adjusting
Discrimination” on Page 9.)
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A Quick Look at Your Metal Detector
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ˆ
Operation
Your RadioShack Metal Detector distinguishes between ferrous and non-ferrous metals.
Ferrous metals contain iron, while nonferrous metals such as gold, silver, co pper,
platinum, aluminum, lead, and zinc do not.
When the detector senses a metallic object,
the meter reading changes and the detector
sounds one of three tones. The tone depends on what metal is detected. The higher
the tone’s pitch, the stronger the detection.
PREPARING THE
DETECTOR
Turning On the Detector
Hold the detector in a comfortable position,
MODE
then rotate
VLF (Very Low Frequency)
GROUND
and
Page 9 and “Tuning the Detector” below.)
TR1 (Transmit 1)
ences in metals, such as iron and gold. The
difference between iron and gold shows on
the meter (iron in the ferrous section, gold in
the non-ferrous section).
TR2 (Transmit 2)
between metals, such as aluminum and gold
(see “Adjusting Discrimination” on Page 9).
Tuning the Detector
TUNE
fine-tunes the balance between the detector’s receiver and transmitter circuitry to
provide consistent pointer and tone indications. Follow these steps to set
1. Rotate
tion.
MODE
2. Set
to the desired position.
— to adjust
. (See “Adjusting Ground” on
— to detect extreme differ-
— to detect finer distinctions
TUNE
.
VOLUME
to the 10 o’clock posi-
VLF
to
.
TUNE
3. Set
4. Hold the search coil at least 1 foot away
As you search, you can fine-tune the detector using the other controls (see “Fine-Tuning
the Detector” on Page 9).
Note:
any time during operation to automatically return the pointer to the center of the analog
meter.
GROUND, DISCRIMINATION
SENSITIVITY
from the ground and any metal object,
hold down the red button on the handl e
and slowly rotate
meter pointer resets at or near 0.
Press the red button on the handle at
to mid-range.
TUNE
until the analog
, and
TESTING AND USING THE
DETECTOR
To learn how the detector reacts to different
metals, you should test it before you use it
the first time. You can test the detector indoors or outdoors.
Indoor Testing
1. Remove any watches, rings, or other
metal jewelry you are wearing, then
place the detector on a wooden or plastic table.
2. Adjust the search coil’s angle so the flat
part faces the ceiling.
Note:
Never test the detector on a floor
inside a building. Most buildings have
metal of some kind in the floor, which
might interfere with the objects you are
testing or mask the signal completely.
MODE
3. Set
4. Move a sample of the material you want
the detector to find (such as a gold ring
to
TR1
.
Operation
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or a coin) about 2 inches above the
search coil.
Notes:
• The search coil will not detect without
motion. You must move the object since
you are not sweeping with the detector
at this time.
• If you are using a coin, the detector
detects it more easily if you hold it so a
flat side (not the edge) is parallel with
the flat side of the search coil.
If the detector detects the material, the pointer moves to
FERROUS
NON-FERROUS
or
while the detector determines the type of
metal it is detecting. If it detects non-ferrous
metal, it also sounds a tone.
If the detector does not detect the material,
check the LOW BATT indicator and verify
that the search coil is properly connected. Also, you might need to fine-tune the detector
See “Fine-Tuning the Detector” on Page 9
Outdoor Testing and Use
1. Find an area on the ground outside
where there is no metal.
2. Place a sample of material you want the
detector to find (such as a gold ring or a
coin) on the ground. (If you are using
valuable metal such as gold to test the
detector, mark the area where you place
the item, to help you find it later. Do not
place it in tall grass or weeds.)
MODE
3. Set
4. While holding the search coil level about
1–2 inches above the ground, slowly
move the search coil over the area
where you placed the sample, sweeping
the search coil in a side-to-side motion.
to
TR1
.
Search Coil Sweeping Hints:
• Never sweep the search coil as if it
were a pendulum. Raising the search
coil while sweeping or at the end of a
sweep causes false readings.
• Sweep slowly; hurrying makes you
miss targets.
If the detector detects the item, it sounds
a tone and the pointer moves to the type
of metal it found. When you detect
metal, switch
MODE TR1
to
TR2
to deter-
mine the quality of the metal.
If the detector does not detect the mate-
rial, make sure you are moving the
search coil correctly.
Notes:
• The detector responds with a strong
signal when it detects most valuable
metal objects. If a signal does not
repeat after you sweep the search
coil over the target a few times, the
target is probably junk metal.
• False signals can be caused by areas
containing large amounts of trash,
electrical interference, or large irregular pieces of junk metal. False signals
are usually broken or non-repeatable.
5. Try finding other metal in the area.
When you find a metal item, wait a few
seconds after the tone stops before continuing to allow the detector time to reset
(or, press the red button on the handle to
return the pointer to the center of the
analog meter).
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Operation
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FINE-TUNING THE
DETECTOR
After you become familiar with how your detector works, you can fine-tune it to make it
less sensitive to interference and more selective in what it finds.
Adjusting Sensitivity
To adjust the search coil’s ability to detect
objects at different depths in the soil, rotate
SENSITIVITY
between
maximum detection depth, leave
TY
set as high as possible. If the detector
makes a “chattering” noise, decrease
TIVITY
until the chatter stops.
Adjusting Ground
Setting
ical for accurate operation.
out false signals from mineralized soil. Follow these steps to set
After you set
the soil type at that particular site. Do not reset it until you use the detector at a different
site.
GROUND
MODE
1. Set
to
coil to 1/2 to 2 inches above the ground.
2. If the pointer swings to the right (Nonferrous), turn
the pointer swings to left (Ferrous), turn
GROUND
to
3. Raise the search coil about 1 foot from
the ground and press the red button on
the handle. The pointer returns to the
center.
4. Repeat Steps 1–3 until the pointer stays
close to the center each time you lower
the search coil to the ground.
GROUND
MIN
and
MAX
. For
SENSITIVI-
SENSI-
takes a little time, but is crit-
GROUND
GROUND
VLF
and lower the search
GROUND
BASALT
to
.
.
NORMAL
tunes
. If
, the detector is set for
Adjusting Discrimination
Discrimination is the detector’s ability to differentiate between types of metal. The detector’s
DISCRIMINATION
setting determines
whether the detector will distinguish between
different types of ferrous and non-ferrous
metals.
MODE
If
TION
is set to
set to mid-range. While you use the detector, adjust
position. As you set
TR2
, start with
DISCRIMINATION
DISCRIMINATION
DISCRIMINA-
to the best
higher,
the detector becomes more sensitive to the
differences between large aluminum and
gold pieces, for example, but some small
valuable pieces, such as coins and small
rings, might be overlooked.
As you set
DISCRIMINATION
to higher levels,
the detector first does not detect small pieces of silver paper, then thick foil, and finally
metal objects like pull tabs from aluminum
cans.
Note:
Each time you use the detector in a
different area, you must readjust
NATION
. Each search location presents new
DISCRIMI-
challenges.
FALSE SIGNALS
Because your detector is extremely sensitive, trash-induced signals and other sources
of interference might cause signals that
seem confusing. The key to handling these
types of signals is to dig for only those targets that emit a strong, repeatable signal. As
you sweep the search coil back and forth
over the ground, learn to recognize the difference between signals that occur at random
and signals are stable and repeatable.
To reduce false signals when searching areas containing large amounts of trash, scan
only a small area at a time using slow, short
overlapping sweeps.
Operation
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DETECTION HINTS
No detector is 100 percent accurate. Various
conditions influence metal detection. The detector’s reaction depends on a number of
factors:
• the angle at which the object rests in the
ground
• the depth of the object
• the amount of iron in the object
• the size of the object
PINPOINTING A TARGET
Accurately pinpointing a target makes digging it up easier. This takes practice, and we
suggest you practice finding and digging up
small metal objects on your own property before you search other locations.
Sometimes, targets are difficult to accurately
locate due to the sweep direction. Try changing your sweep direction to pinpoint a target.
Notes:
• If trash in an area is so heavy that you
get false signals, slow your sweep
speed and use shorter sweeps.
• Recently buried coins might not respond
the same as coins buried for a long
period of time because of oxidation.
• Some nails, nuts, bolts, and other iron
objects (such as old bottle caps) oxidize
and create a “halo” effect. A halo effect
is caused by a mixture of natural elements in the ground and the oxidation
created by different metals. Because of
the metal mixtures, target signals might
not be in a “fixed” position. This effect
makes these objects very hard to detect
accurately. (See “Fine-Tuning the Detector” on Page 9.)
1. When the detector locates a buried target, continue sweeping the search coil
over the target, in a narrowing side-toside motion.
2. Make a visual note of the exact spot on
the ground where the detector beeps.
3. Stop the search coil directly over this
spot on the ground. Then move the
search coil straight away from you and
straight back toward you a couple of
times.
4. Make a visual note of the exact spot on
the ground where the detector beeps.
5. Repeat Steps 1–3 at a right angle to the
original searchline, making an “X” pattern. The target will be directly below the
“X” at the point of the loudest response.
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Operation
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ˆ
Troubleshooting
If your detector is not working as it should, follow these suggestions to see if you can eliminate
the problem. If you can’t, take the detector to your local RadioShack store for assistance.
Problem Suggestion
The detector displays or
sounds false signals.
The display does not show
the correct metal type when
the detector finds a target. Or,
the detector sounds more
than one type of tone when it
finds a target.
ˆ
Care
The sensitivity might be set too high. Adjust
You might be sweeping the detector’s search coil too fast
or at the wrong angle. Sweep the search coil more slowly
and hold the detector correctly . See “Testing and Using the
Detector” on Page 7 and “Pinpointing a Target” on
Page 10.
The detector might sound a false signal if it detects heavily
oxidized metals. Try pinpointing the target from several different angles (see “Pinpointing a Target” on Page 10). If
the detector does not display and sound the same signal
each time, the target is probably heavily oxidized metal.
There might be more than one target in the area you are
searching.
The target might be a type of metal that the detector does
not recognize.
If the target is heavily oxidized, the detector might not display the correct metal type. This is not a malfunction.
The sensitivity might be set too high. Adjust
SENSITIVITY
SENSITIVITY
.
.
Keep the metal detector dry; if it gets wet,
wipe it dry immediately. Use and store the
metal detector only in normal temperature
environments. Handle the metal detector
carefully; do not drop it. Keep the metal detector away from dust and dirt, and wipe it
with a damp cloth occasionally to keep it
looking new.
Modifying or tampering with the metal detector’s internal components can cause a ma lfunction and might invalidate its warranty. If
Troubleshooting
your metal detector is not performing as it
should, take it to your local RadioShack store
for assistance.
The search coil supplied with the detector is
waterproof and can be submerged in either
fresh or salt water. However, do not let water
enter the detector’s control housing. After using the search coil in salt water, rinse it with
fresh water to prevent corrosion of the metal
parts.
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Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack companyowned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED
HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES,
INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES
CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT,
SPECIAL, INCIDENT AL, OR CONSEQ UENTIAL DAMAGES, EVEN IF RadioShac k HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limit ation of incidental or consequential damages, so the above limitations or exclusions may not apply to
you.
In the event of a product defect during the warranty period, take the product and the RadioShack
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided by law: (a) correct the defect by product repair without charge for parts and
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase
price. All replaced parts and products, and products on which a refund is made, become the property of RadioShack. New or reconditioned parts and products may be used in the performance of
warranty service. Repaired or replaced parts and products are warranted for the remainder of the
original warranty period. You will be charged for repair or replacement of the product made after the
expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse,
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs
of product removal, installation, set-up service adjustment or reinstallat i on.
This warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102
We Service What We Sell
12/99
RadioShack Corporation
Fort Worth, Texas 76102
63-3013
07A00
Printed in China
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