Velleman C.Scope CS660 Manuel utilisateur
CS660
Professional metal detector
Operating manual
Gebruikers handleiding
Manuel de l’Utilisation
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CS-660 METAL DETECTOR
INTRODUCTION
In order to obtain the best results from your new metal locator/detector, please carefully read this
instruction leaflet. The CS-660 is an all-purpose metal locator/detector and will provide you with
many hours of pleasure and treasure hunting.
DESCRIPTION AND CONTROLS
TUNE Adjust for the optimum setting for the prevailing temperature/ground conditions
(includes the on/off)
DISC Turning this control more clockwise has the effect of eliminating (DISCriminating)
unwanted signals such as iron or foil.
RETUNE Resets the detector to the optimum tune position. (Membrane switch - to operate,
push panel lightly).
ASSEMBLY
How to assemble your CS-660
The CS-660 comes to your dismantled for ease of packing. To assemble follow these few easy steps
:
1. Loosen the lock nut on the upper stem section and insert the lower stem section with search
head.
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2. Adjust height and coil the search head lead loosely along the stems to prevent unwanted
signals.
3. Tighten lock nut.
4. Adjust angle of search head, so that the detector balances well, and tighten as necessary.
Note : All nuts and screws on the detector should only be tightened by hand, never use any tools as
this may cause breakage.
BATTERIES
The CS-660 is powered by two 9V batteries and we recommend you to use the alkaline long life
type.
1. Remove the battery compartment cover by gently squeezing the right hand edge towards the
centre of the cover and pulling outwards.
2. Ensuring that the positive and negative terminals are correctly located, insert the batteries
into the contacts and place batteries into compartment.
3. Replace the cover by inserting the left hand lip into the control box and pushing the right
hand spring side until it clicks into position.
Rechargeable Battery Charging
Rechargeable 9V batteries can be used. Please see your local dealer for details.
OPERATION OF THE CS-660
Whilst depressing the Retune Button turn the Tune Control clockwise until a faint noise is heard.
Then release the Retune Button. The optimum tuning point is where the sound can just be heard. If
the machine is operated on a silent setting or where the noise is too loud sensitivity will be lost.
N.B. Before tuning machine ensure no metal objects are in the vicinity.
Re-tuning
Should the detector got out of tune for any reason, e.g., changes in temperature or ground
conditions, encounters with large metal objects or an alteration of the discriminate control, simply
depress the auto tune button and the detector will return to the pre-selected optimum tuning point.
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Discrimination
The CS-660 has a variable discrimination control which allows the operator to choose from any
setting between all metal detection to iron and silver paper rejection.
To adjust the Discriminate Level Control depress the Retune Button turn Discriminate Level
Control to the desired level and release Retune Button.
Discrimination of a target object is indicated by a reduction in signal strength. For example, with the
reject setting at 5 an iron nail will give a negative reaction (reduction in sound or no sound) whereas
on a coin there will be a positive reaction (an increase in sound).
Please note a higher discriminate setting some desirable objects may be ignored by
the detector.
Ground effect
The signal of your detector will be affected by the type of terrain you are searching. Normally this
effect produces and increase or decrease in the audio signal when the search head is raised from the
ground. This effect can be controlled in two ways. If the search head is kept at a constant height the
effect of the ground will be constant. The second method, only to be used when the effect is severe,
is to de-tune the machine so that it is less sensitive to the ground. However, this will have the effect
of making the machine less sensitive to coins as well.
USE OF YOUR DETECTOR IN THE FIELD
Detecting
To test for the type of signal you will get, take a coin or metal object and with the detector set up on
a table tuned as previously described, move the metal object towards and across the search head.
You will note that the volume will increase quickly as the metal object passes across the search
head, with the loudest sound occurring when the search head is immediately centred over the metal
object. As the object passes beyond the search head the sound will quickly fade.
Detection Range
Detection ranges will vary depending on the size of the object, the length of time an object has been
buried, and the type of ground the object is buried in. The best ground conditions are dry well
compacted soils then coins can be found at the greatest depths if they have been buried for some
time and the coin has interacted with the salts in the ground, thereby appearing larger to the
detector. The worst conditions for detecting are on loosely compacted or freshly dug ground or
when the object has only recently been buried. In these conditions detection range will be reduced.
90% of all objects are found within 6" (20cm) of the surface. Adverse soil conditions can reduce the
depth of detection by more than half.
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Determining the Target Size and Depth
An operator who is familiar with his instrument will be able to do an excellent job of determining
object size, shape and depth before he digs. The technique is learned from careful analysis of the
audio signals coming from the detector. Each time a signal is heard, listen for any peculiar
characteristics it may have ; determine over how large an area you get a detector signal ; and try to
"outline" the object before you dig. Listen for the sharpness and dullness of the signals and
determine the magnitude of strength of the signal. A coin will have a sharp signal, a nail a fuzzy
signal.
CARE AND MAINTENANCE
The working life of your detector will be shortened by careless use or neglect of the unit. Your
detector is designed to withstand rugged handling on any terrain, but mis-use or lack of due
attention will tell in the end.
After using your detector in a hostile environment (salt water, sand, etc.), the exterior parts
(excluding the control housing) should be flushed with fresh water, paying particular attention to the
head, and carefully wiped dry.
Salt Damage
If you use your detector continually in a salty environment, particularly when the wind is blowing
off the sea, salty air can penetrate the control box.
Corrosion can occur in vital parts of the delicate electronic circuitry.
It is, therefore, recommended that precautions such as covering the control box with polythene be
taken to avoid damage.
The guarantee cannot cover such occurrences and any repairs needed because of salt water or spray
will require a charge.
The use of Solvents
Solvents should not be used on the detector.
Storage
If the detector is to be stored, remove the batteries as they may leak and corrode the surrounding
electronics.
Detector Not Operating :
(a) Check the condition of the batteries.
(b) Interchange batteries and ensure connections are correct and secure.
Battery life can vary tremendously between makes, therefore your ’new’ batteries may
already have insufficient power to run your detector.
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Oscillating Signal
(a) Caused most often by outside equipment such as fluorescent lights, taxis, radios, power lines,
and other metal detectors working nearby. Little can be done to alleviate the problem except to
find a new site.
Intermittent Sound From Speaker
(a) This could be due to poor battery connections. Ensure they are tight and the batteries are
securely clipped in place.
(b) Radio transmission from passing taxi or vehicle using radio transmitter equipment (see above).
(c) Loose speaker, in which case the speaker needs fastening back into place. Refer to
dealer/service agent.
The Detector Drift Out of Tune
(a) Temperature drift caused by the change in air temperature when amachine is moved from a
house or a car into the open. Allow the detector temperature to stabilise.
The greater the change in temperature the more drift, and up to 30 minutes may be needed for
the electronic circuitry to acclimatise itself.
(b) Sometimes battery drain can cause drift of signal. Replace batteries and this should help to
maintain a stable signal.
Before returning a detector for repair to the retailer ensure you have done the
following :
(a) Read instructions thoroughly.
(b) Tried new batteries and checked procedure outlined above.
(c) Spoken to the local dealer about performance of the detector, especially if you are still
unfamiliar with metal detectors in general.
This equipment conforms to the EMC Directive 89/336/EEC.
However, system performance may be impaired by unusually strong electromagnetic fields.
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