Rutus Argo NE Manuel utilisateur
Dear User!
Thank you for purchasing this product.
This detector has been designed with the latest technology to allow you to make
the most of your passion, to discover the remains of the past.
Argo NE is a continuation and development of the concept of two detectors
that have gained popularity among the searchers, Argo and Optima.
Both detectors are relatively simple to use, encouraging users to begin working from
the first moment but at the same time are very effective, deep and powerful detectors.
We hope that during your adventures our latest product meets all of your expectations.
This manual will give you all the necessary information, so that you can quickly
understand how the Argo NE works before going into the field.
Please remember that while you are searching, you will be uncovering history.
Do not destroy these unique remains in the process, take some time to get
to know the law of your country and leave your search area clean and tidy.
Be an exemplary user of Argo NE:
Do not use the detector in areas that are under archaeological protection
or where an archaeological dig has been conducted.
Before entering private property, ask the owner for permission.
Do not make life harder for farmers or foresters by damaging crops or disturbing animals.
Do not leave a mess after yourself. Leave the place you have searched,
in the same condition as when you arrived.
Refill all holes, take any rubbish with you and put it in
the next rubbish bin you come across.
TABLE OF CONTENTS
DETECTOR ASSEMBLY...............................................................................................................3
BATTERY INSTALLATION............................................................................................................3
CONTROL PANEL.........................................................................................................................4
TURNING ON/OFF........................................................................................................................4
GROUND BALANCE.....................................................................................................................4
DISPLAY........................................................................................................................................5
OPERATING MODE SELECTION................................................................................................6
IDENTIFICATION..........................................................................................................................6
IDENTIFICATION GRAPH............................................................................................................7
SETTINGS AVAILABLE IN OPERATING MODE...........................................................................8
SENSITIVITY.................................................................................................................................8
DISCRIMINATION.........................................................................................................................9
NOTCH..........................................................................................................................................9
PINPOINT......................................................................................................................................9
OVERLOAD...................................................................................................................................9
MENU LAYOUT...........................................................................................................................10
MAIN SETTINGS.........................................................................................................................11
Frequency..........................................................................................................................11
Frequency shift..................................................................................................................11
Hot Rock............................................................................................................................11
Backlight............................................................................................................................12
Volume...............................................................................................................................12
Wireless.............................................................................................................................12
Language...........................................................................................................................12
MOTION MODE SETTINGS.......................................................................................................13
Th Level.............................................................................................................................13
Th Tone..............................................................................................................................13
Tones.................................................................................................................................13
Audio Gain........................................................................................................................14
Masking.............................................................................................................................14
Reaction............................................................................................................................14
NON-MOTION MODE SETTINGS..............................................................................................14
Th Level............................................................................................................................15
Th Tone.............................................................................................................................15
VCO..................................................................................................................................15
SAT...................................................................................................................................15
DUAL MODE SETTINGS............................................................................................................15
DETECTOR'S CAPABILITIES.....................................................................................................16
MODES OF OPERATION...........................................................................................................17
MODES OF OPERATION AND SEARCHING.............................................................................19
SEARCHING – USEFUL ADVICE...............................................................................................19
NOTES FOR MAINTENANCE....................................................................................................20
EU DECLARATION OF CONFORMITY.......................................................................................21
RUTUS Argo NE
The detector assembly is simple and requires no tools, a properly assembled
detector is shown on the front cover of the user’s manual. Before assembling the
stems, make sure the clamp is unlocked by rotating it as shown in the picture. Next
push the spring buttons in and insert one stem into the other. Release the buttons
and they will lock in the holes. Next secure the clamp by turning it the other way until
it is hand tight. Do not over tighten the clamps or the screw securing the search coil.
The connecting cable should be secured with two rubber cable tie to the base of the
lower stem, and then wrapped around the stems. Doing this will prevent from creating loose loops of the
cable in the search coil area and protect the cable from pulling out from the search coil. The third rubber
cable tie should be used to attach the cable to the top of the detector, which will prevent the cable from
slipping downwards. Be careful not to pull the cable too tight when inserting the plug into the
socket - as this may damage the cable. See the photo on the front page for best practice. The armrest
is adjustable – first remove the screw, then move the armrest to the desired position and re-tighten the
screw.
NOTE: Try to avoid creating large loops of cable near the edges of the search coil, as this may result in
the detector giving false readings.
NOTE: When disassembling the detector, begin by unplugging the search coil from the socket and
loosen the cable wound around the stems. Once this is completed the rest of the detector may be
disassembled into its basic components. Finish by loosening the screw securing the search coil and fold
it together with the stem.
NOTE: The coil cable plug is protected by a silicon cover. This is there to prevent dirt and sand from
damaging the delicate, gold connector pins. If the plug is not in the socket, it should always have the
protective cover on.
NOTE: Cleaning the detector must be done using only water with soap on a damp sponge.
Do not use any solvents or petroleum products. Regularly clean the stems and clamps.
Use good quality alkaline or rechargeable batteries of well known brands. Do not mix new and
discharged batteries or regular ones with rechargeable ones. Used batteries must be removed from the
detector as soon as possible. Remember to remove the batteries from the detector if it is not going to be
used for an extended period of time. The warranty does not cover damage caused by leaking batteries
damaging the electronics.
In order to install the batteries, press the centre of the lid (2), unlock the clip
(1), and then remove the lid (2) as shown on the picture. After pulling out the battery
holder, insert the batteries as shown on the holder, remembering to check if the
polarity is correct. It is important to make sure that the spring is pressing the batteries
tightly. The holder can only be inserted into the detector one way – the shape
prevents it from being inserted the other way around.
NOTE: The detector has a battery indicator which monitors the batteries charge level. As the batteries
lose charge, the indicator bar will shorten. When the batteries need replacing the detector will turn off
automatically. It is not possible to turn on the detector if the batteries charge is
too low. As the battery reaches this level, the detector will make a sound of
decreasing frequency and the display will show a symbol of a crossed out
battery (see picture beside). The circuit monitoring the battery level shows
a charging level of 1.5 V for standard alkaline batteries. When using 1.2 V
rechargeable batteries the battery charge icon will never be full.
RUTUS Argo NE 3
The picture below shows the functions of individual buttons on the control panel.
The detector is turned on by pressing the button with the power icon. The detector can
be turned off only from the operation mode by holding the button for 1 second. In the
menu the button is used only to enter the tones editing screen. A short press of the button in
the operation mode does not turn the detector off but changes to the operation mode selection
screen.
After turning the detector on, the ground balance procedure must be completed. This can
be done at any time by pressing the button. When the message « Put search coil UP Then
pull trigger » is shown, the search coil should be lifted at least 0.5 m above the ground, and then
the trigger should be pulled. The display will then show the « Preparing Data » message, this
means that the processor is collecting the data necessary for operation. After this process ends
the « OK » message will appear followed by the main screen of ground balance (see picture
below).
Correct ground balance is gained by „pumping”. The search coil
should be slowly moved up and down above the ground, each cycle
taking about a second. The detector will display the number of cycles
remaining – decreasing from 5 to 1 and after the last movement up the
message « Detector ready, pull trigger » will be shown. After pulling the
trigger, the soil phase reading will be gathered and after about 2 seconds the detector will be
ready for searching.
RUTUS Argo NE 4
Most soil types gives a phase reading of around -87.0. Wetlands can produce higher
phase readings (e.g. -83.0). On soils with high conductivity (where the phase readings are
significantly more than -87), working at high sensitivity may be difficult – the sensitivity in this
case should be reduced. Should the ground balance results be noticeably higher than these
values (e.g. -75.0), there is a high probability that some metal objects are present in the balance
area. The ground balance should be repeated again at a different location a few metres away.
NOTE: If you wish to use the detector with the factory presets, pull the trigger after the main
ground balance screen is displayed. This is very useful if you want to find a clean place quickly,
so that you can perform the ground balance process correctly using the „pumping” technique.
A single ground balance process does not guarantee stable operation across an entire
search area or for the whole of a day's searching. It is best to repeat a ground balance process
each time a new area is started or when the detector starts to give false readings. Examples of
new areas would be where field changes to forest, or when moving from a track to wetlands.
The detector will also require a ground balance check when either the program, the
frequency or the hot rock parameters are changed.
NOTE: While data is being prepared for work (« Preparing Data » screen) the search coil must
be raised a minimum of 0.5 m above the ground and away from metal objects. Ground balance
must be done at least 15 m away from other detectors. Not following these guidelines will not
damage the detector, but it will cause the detector to operate less accurately – a proper ground
balance procedure will fix this quickly.
The picture below shows the display in the operation mode.
RUTUS Argo NE 5
The detector has three operating modes: Motion, Non-motion and Dual mode. For
a detailed description of these modes, see page 17.
Each operating mode can be modified to your own requirements, just enter the menu and
change the settings shown. Modifications are stored after the power is switched off (however
not when the battery pack is removed while the detector is on, which is inappropriate). If the
changes are not what you expected, then they can be reset using the factory settings.
NOTE: The factory settings for each operating mode are optimised for ease of use. When
beginning to use the detector we strongly recommend trying the detector with these factory
programs without changing settings in the menu. This will help you to learn quicker how the
detector operates.
Turning the required operating mode on is done by pressing the button in the
detector’s operating mode. The operation mode selection screen will appear:
The buttons are used to select the operating mode you would like, then press
the trigger to enter the program. After changing the operating mode a ground balance needs to
be done, and the detector will guide you through this process.
If you want to reset a given operating mode to the factory specifications, bring up the
operation mode selection screen (by pressing the button) and use the button to go down
to the « Reset » option, then use the button to choose « Yes ». Use the trigger to leave the
operating mode selection screen, the reset confirmation screen will then appear (« Really? »).
Use the button to select « Yes ». Use the trigger to complete, the settings for the chosen
operating mode will then be reset. Resetting the chosen mode of operation to the factory
settings does not result in resetting the main settings or the sound programs.
Argo NE is a detector which has a built-in metal object identification circuit. The detector
has 180 identification points which can be set within the range -90 to +90. It analyses the signal
from a metal object several hundred times per second, after each identification process, the
internal memory of the device saves a specific digital value. The values stored in the memory
are used to calculate an average identification value and an identification graph is shown. The
average value depends on the characteristics of the object that is below the search coil.
There is a common misconception among searchers about identification. Unfortunately,
the dependency between object type and the value of the identification is complex. The basis for
understanding these dependencies and extracting valid conclusions is the following: "If the
magnetic properties of an object are greater than the conductive, then the identification number
will be negative, otherwise the identification number will be positive."
RUTUS Argo NE 6
Negative identification numbers are assigned to objects made of ferromagnetic materials
such as iron, steel and nickel. Unfortunately, if these objects are made in the form of sheets –
i.e. they have a small thickness but a large surface, the vortex currents that can be created on
the surface of the object without difficulty will dominate over the magnetic properties. In the case
of ferromagnetic objects their position relative to the search coil strongly affects the identification
- the steel plate in a flat position will be identified in the positive range (because the vortex
currents will have an advantage over its magnetic properties), but the same plate in a vertical
position will be identified in the negative range (the vortex currents are not inducted, but the
magnetic field lines are strongly deflected.)
In the case of objects of non-ferrous metals, the dependencies are simpler: the larger the
object, the heavier the object and the better the conductor - the higher the value.
The identification graph is a graphical representation of the data collected by the
identification circuit while moving the search coil over an object and is stored in the device’s
memory. This feature is unique to this detector, and allows for quicker identification of ferrous
objects than any other method.
If the graph closely resembles a straight or inclined line then an object's composition is
very likely to be of a single material and the digital identification has a high probability of being
correct (a straight line in the range of iron is iron, a straight line in the range of non-ferrous
metals is most probably a non-ferrous metal).
When the graph is clearly bent, curved or spread across the whole of the display, it is
highly probable that you are dealing with an object such as a can, a thin steel sheet or other
steel object whose magnetic properties are lesser than its conductive properties.
RUTUS Argo NE 7
Adjusting the Sensitivity level, Discrimination or access to the Notch function is done
straight from the detector’s operating mode. The way to access the settings is described below.
After pressing the button the « Sensitivity » message will appear on the display,
a number describing the Sensitivity level and a linear scale showing the adjustment range. The
adjustment is done using the buttons. Pushing the button a second time will show
the Discrimination level. Adjusting the Discrimination is done in the same way as adjusting the
Sensitivity.
Another press of the button will lead to the Notch function. The Notch point, which
we want to lock (or unlock) is chosen using the buttons. The chosen Notch point is
locked or unlocked using the buttons. To quickly block or unblock a larger range of
points, the user can use the buttons: or and or simultaneously. After
pressing the button the screen returns to the operation mode screen.
Sensitivity in the Argo NE detector may be adjusted across 75 levels. The Sensitivity level
set by the user determines the detector's range and more importantly it's stable operation. In
areas which are littered, freshly ploughed or have heavy electromagnetic interference, operating
with maximum Sensitivity is not possible. Sensitivity has to be adjusted in accordance to the
terrain where the search is being conducted and using your own experience. New users should
begin their searches with the detector set to Sensitivity levels between 40 and 50.
RUTUS Argo NE 8
Discrimination is a function which enables the removal of sound signals from unwanted
objects, which have a identification number lower than the set discrimination value.
E.g. a discrimination value set to -20 will result in a lack of the detector’s reaction to most small
steel objects. The discrimination value can be set within the range -90 to +90.
The detector has 20 points of Notch function. Each of which can be locked individually.
This function is used to eliminate signals from objects within a narrow range of identification
point, which helps to search in places where there is a large amount of similar, unwanted
objects. For example, to eliminate signals from spent cartridges littering a battlefield but not
eliminating signals from other objects.
When using Notch it is important to remember that other objects with characteristics
similar to the „unwanted” ones will also be eliminated. For best results, only use this function in
exceptional circumstances.
This function allows for the quick and easy location of an object. To use the pinpoint
function move the search coil away from the area where the object is and then press and hold
the trigger. To pinpoint the object make a cross like movement, to find the point where the signal
is the strongest. The depth of the object shown on the screen is set-up for medium-sized
objects. This means that for large objects the depth will be larger than indicated on the screen.
The operation of the indicator and depth gauge is not dependent on the sensitivity of the
detector, however the sound signal is.
An overload means that the signal from an object is too strong for the detector to process
correctly. Thankfully this does not mean the detector has been damaged. An overload is
indicated by a rattling sound and the « Overload » message on the display. In this situation lift
the search coil up – when the overload message has gone, the display will show the
identification value for the object.
RUTUS Argo NE 9
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