Velleman CS100 User manual

CS100
DISCRIMINATOR METAL DETECTOR
OWNER'S MANUAL

CS100 GB1
FEATURES
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With your Discriminator Metal Detector, you can hunt for coins,
relics, jewellery, gold and silver just about anywhere. The Discriminator Metal
Detector is versatile and easy to use.
The detector's features include :
Earphone Jack - lets you connect earphones (not supplied) to the detector.
Vu-meter and Pointer - shows the probable type of metal being detected. A
separate vu-meter display lets you know when it is time to replace the
batteries.
Waterproof Search Coil - lets you the detector's search coil even if you must
put it under water.
Note : The search coil is waterproof, but the control housing is not waterproof.
Adjustable Stem - lets you adjust the detector's length for comfortable use.
Note : Your metal detector requires three 9-volt alkaline batteries (not supplied).
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.

CS100 GB2
PREPARATION
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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 the ground and about 1/2 to 2 inches
(1 to 5cm) above it with your arm relaxed at your side.
3.Turn the stem's lock nut anticlockwise to lock it in place.
Wire
Wire
Wrong

CS100 GB3
Knobs
ADJUSTING THE SEARCH COIL
Loosen the knobs 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
knobs just enough to keep the search coil from rotating or wobbling.
INSTALLING THE BATTERIES
You need six AA batteries to power your detector.
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 batteries of different capacities).
1.If the detector is on, turn VOLUME (on the control housing) to OFF. (The
control clicks)

CS100 GB4
2.Press on the battery compartment cover and slide the cover off in the
direction of the arrow.
3.Insert the batteries into the compartment as indicated by the polarity symbols
(+ and -) marked inside the compartment.
4.Replace the cover.
Caution :
•Always remove old or weak batteries. They can leak chemicals that can
destroy electronic parts.
•If you do not plan on using the detector for a week or more, remove the
batteries.
•Dispose of old batteries promptly and properly.
You can extend battery life by using earphones, which require less power than
the built-in speaker. See "Using Earphones".

CS100 GB5
TESTING THE BATTERIES
If the detector does not turn on, has weak volume, will not tune properly, has
erratic operation or drifts, test the battery power.
Rotate VOLUME away from OFF and set OPERATE/BATT TEST to BATT TEST.
If the pointer on the vu-meter is between 3 and 6 (green area), the batteries
have enough power to operate the detector. If the pointer is not in the green
area, replace the batteries.
USING EARPHONES
You can connect a pair of stereo earphones (not supplied) to the detector so you
can listen to it privately. Using earphones also saves battery power and makes it
easier to identify subtle changes in the sounds you hear for better results.
To connect headphones to the detector, insert the earphones' 1/8-inch plug into
the EAR jack on the side of the control housing.
Note : The detector's internal speaker disconnects when you connect earphones.
Ear

CS100 GB6
Listening Safely
To protect your hearing, follow these guidelines when you use earphones.
•Set the volume to the lowest setting before you begin listening. After you
begin listening, adjust the volume to a comfortable level.
•Do not listen at extremely high volume levels. Extended high-volume
listening can lead to permanent loss of hearing.
•Once you set the volume, do not increase it. Over time, your ears adapt to
the volume level, so a volume level that does not cause discomfort might still
damage your hearing.
Traffic Safety
Do not wear earphones while operating your detector near high-traffic areas.
Even though some earphones are designed to let you hear some outside
sounds when listening at normal volume levels, they still can present a traffic
hazard.
Outdoor Testing and Use
IMPORTANT : If the device emits a signal for nonferrous metals and
none for ferrous metals, you should start the setting
procedure again. Do it slowly to make sure that the
procedure is executed correctly.
1.Find an area on the ground outside where there is no metal.
2.Place a sample of the material you want the detector to find (such as a gold
ring or a coin) on the ground. (If you are using a valuable metal such as gold
to test the detector, mark the area where you placed the item, to help you
find it later. Do not place it in tall grass or weeds).
3.Rotate VOLUME about two-thirds clockwise.
4.Press and release the red button on the handle. Slowly rotate TUNE until the
pointer is at or near 0. You should barely hear a tone.
5.While holding the search coil level
and about 1-2 inches above the
ground, slowly move the search coil
over the area where you place the
sample, sweeping the search coil in a
side-to-side motion.

CS100 GB7
Right
Wrong
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 material, it sounds a tone and the pointer moves to
the type of material if found.
If the detector does not detect the material, 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 trashy ground, electrical interference or
large irregular pieces of junk metal. False signals are usually broken or non-
repeatable.
6.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 centre of the vu-meter.

CS100 GB8
FINE-TUNING THE DETECTOR
When you become familiar with how your detector works, you can fine-tune it
to make it more selective in what it finds.
Discrimination is the detector's ability to differentiate between types of metal.
The detector's DISCRIMINATION settings determines whether the detector will
distinguish between different types of ferrous and non-ferrous metals.
You can set DISCRIMINATION to minimum (fully anticlockwise), to maximum
(fully clockwise), or anywhere in between. 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 aluminium cans.
Note :
Each time you use the detector in a different area, you must adjust
DISCRIMINATION. Each search location presents new challenges.
FALSE SIGNALS
Because your detector is extremely sensitive, trash-induced signals and other
sources of interference might cause signals that seems 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 recognise the difference between signals that occur at random
and signals that are stable and repeatable.
To reduce false signals when searching very trashy ground, only scan a small
area at a time using slow, short overlapping sweeps.

CS100 GB9
DETECTION HINTS
No detector is 100 percent accurate. Various conditions influence metal
detection. The detector's reaction depends on a number of things :
•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.
OPERATION
====================================================
Your Discriminator Metal Detector distinguishes between ferrous and
non-ferrous metals. Ferrous metals contain iron, while non-ferrous metals such
as gold, silver, copper, platinum, aluminium, lead and zinc do not.
When the detector senses a metallic object, the meter reading changes, the
NON-FERROUS or FERROUS indicator turns on or off and the detector
sounds one of three tones. The actual reaction depends on what metal is
detected. The higher the tone pitch, the stronger the detection.
PREPARING THE DETECTOR
Turning On the Detector
Hold the detector in a comfortable position, then rotate VOLUME away from
OFF to the desired sound level. Set OPERATE/BATT TEST to OPERATE to
detect.

CS100 GB10
Red Button
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 TUNE.
1.Rotate VOLUME to the 11 o'clock position.
2.Set DISCRIMINATION to its midpoint.
3.Hold the search coil about 1 foot (30cm) away from the ground and any
metal object, hold down the red button on the handle, and slowly rotate
TUNE left and right until the pointer on the vu-meter rests at or near 0, then
release the red button.
As you search, you can fine-tune the detector using DISCRIMINATION (see
"Fine-Tuning the Detector")
Note :
Press the red button on the handle at any time during operation to
automatically return the pointer to 0.

CS100 GB11
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
IMPORTANT : If the device emits a signal for nonferrous metals and
none for ferrous metals, you should start the setting
procedure again. Do it slowly to make sure that the
procedure is executed correctly.
1.Remove any watches, rings, or other metal jewellery 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.
3.Rotate VOLUME to the 11 o'clock position.
4.Set DISCRIMINATION to its mid-point. Keep the red button on the handle
pressed down and slowly turn the TUNE button to the left and right until the
needle of the VU meter indicates “0”. Release the red button
5.Move a sample of the material you want the detector to find (such as a gold
ring or coin) about 2 inches (±5cm) 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.

CS100 GB12
If the detector detects the material, it sounds a tone and the pointer moves to
the left (ferrous) or to the right (non-ferrous) while the detector determines the
type of metal it is detecting.
If the detector does not detect the material, check the battery power and verify
that the search coil is properly connected. Also, you might need to fine-tune the
detector (see "Fine-Tuning the Detector").
PINPOINTING A TARGET
Accurately pinpointing a target makes digging it up easier.
Accurate pinpointing 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.
Follow these steps to pinpoint a target.
1.When the detector detects a buried target, continue sweeping the search coil
over the target in a narrowing side-to-side 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 forward away from you and straight back toward you a
couple of times.
Make a visual note of the exact spot on the ground where the detector beeps.

CS100 GB13
4.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.
Notes :
•If trash in an area is so heavy that you get false signals, slow your sweep
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)
oxidise 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").

CS100 GB14
TROUBLE SHOOTING
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If your detector is not working as it should, follow these suggestions to see if
you can eliminate the problem.
PROBLEM SUGGESTION
The detector displays or sounds
false signals 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" and "Pinpointing
a Target".
The detector might sound a false
signal if it detects heavily oxidised
metals. Try pinpointing the target
from several different angles (see
"Pinpointing a Target"). If the
detector does not display and sound
the same signal each time, the target
is probably heavily oxidised metal.
The display does not show the
correct metal type when the detector There might be more than one target in the area you are searching.
finds a target. Or the detector sounds
more than one type of tone when it The target might be a type of metal that the detector does not recognise.
finds a target. If the target is heavily oxidised, the
detector might not display the correct
metal type. This is not a malfunction.

CS100 GB15
CARE AND MAINTENANCE
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Keep the metal detector dry. If it gets wet, wipe it dry
immediately. Liquids might contain minerals that corrode
the electronic circuits.
Handle the detector gently and carefully. Dropping it can
damage circuit boards and cases and can cause the
detector to not work properly.
Use and store the detector only in normal temperature
environments.
Temperature extremes can shorten the life of electronic
devices, damage batteries, and distort or melt plastic
parts.
Keep the detector away from dust and dirt, which can
cause premature wear of parts.
Wipe the detector with a damp cloth occasionally to
keep it looking new. Do not use harsh chemicals,
cleaning solvents or strong detergents to clean the
detector.
Modifying or tampering with the detector's internal parts can cause a
malfunction and might invalidate its warranty.
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.