002-163 - Uncategorized Kayoba - Free user manual and instructions

Product Type	Metal Detector
Brand	Kayoba
Model	002-163
Battery	2 x 9V alkaline (not included)
Weight	2.7 kg
Max Detection Depth (Coin)	26 cm
Search Coil	Waterproof, can be fully submerged
Telescopic Handle	Adjustable length, locking collar
Armrest	Adjustable, 3 positions
Display	Large LCD with depth, sensitivity, target category
Operating Modes	DISC, ALL METAL, NOTCH, AUTO-NOTCH
Audio Identification	3 tones (low, medium, high) for different metals
Ground Balancing	Manual (GND BAL) and automatic (GND TRAC) in ALL METAL mode
Discrimination	Adjustable DISC/NOTCH range, surface elimination (SURF ELIM)
Sensitivity	Adjustable in DISC, NOTCH, AUTO-NOTCH modes
Depth Indication	Yes, for coin-sized objects
Earphone Jack	6.3 mm stereo
Waterproof Rating	Search coil only; control unit not waterproof
Assembly	No tools required
Maintenance	Clean with damp cloth; rinse coil after sea water use
Safety	Keep away from children, avoid power lines, consult doctor if pacemaker
Intended Use	Hobby treasure hunting, detecting metallic objects

Frequently Asked Questions - 002-163 Kayoba

What batteries does the Kayoba 002-163 metal detector use?

It uses two 9V alkaline batteries (sold separately). Always use fresh batteries of the same type and do not mix old and new ones.

How deep can the detector find coins?

The maximum detection depth for coin-sized objects is approximately 26 cm. Depth readings are reliable for coin-sized targets.

Is the search coil waterproof?

Yes, the search coil is waterproof and can be fully submerged in fresh or sea water. However, the control unit and upper handle are not waterproof; do not immerse them.

What do the three different audio tones mean?

The detector uses three tone levels: low tone for caps, small gold, and 5-cent coins; medium tone for can rings, screw caps, zinc coins, and gold; high tone for larger coins like 10¢, 25¢, and 50¢.

How do I ground balance the detector?

Switch to ALL METAL mode, find a metal-free area, lift the coil to waist height, set GND BAL to P, press GND TRAC, then lower the coil to 1-1.5 cm above ground. If no audio signal, balancing is done. If signal occurs, adjust GND BAL slightly counterclockwise and repeat.

What should I do if the detector gives false signals?

First, reduce the sensitivity setting. Move the search coil slower. Check for electromagnetic interference from power lines, computers, or other detectors. Oxidized metal can also cause false signals; if the signal is not repeatable, it's likely junk.

Can I use earphones with this detector?

Yes, it has a 6.3 mm stereo earphone jack. Using earphones helps hear subtle signals and saves battery life. Reduce volume before starting to avoid hearing damage.

How to adjust the armrest?

The armrest has three positions. To adjust, loosen the screw on the underside, move the armrest to the desired position, then retighten the screw.

What does the AUTO-NOTCH mode do?

AUTO-NOTCH automatically eliminates scrap metals (caps, iron, foil, can rings) so that only coin detection is active. The discrimination range is factory-set and not adjustable.

How should I clean and store the metal detector?

Wipe the casing with a damp cloth after use. Do not use strong chemicals. The search coil can be rinsed with fresh water after sea water use. Remove batteries if storing for more than a week. Store in a dry place at normal temperature.

USER MANUAL 002-163 Kayoba

Metal detector device with adjustable arm and base, isolated on white background (no text or symbols)

SE METALLDETEKTOR

Operating instructions (Translation of the original instructions) Important! Read the user instructions carefully before use. Save them for future reference.

Värna om miljön!

Care for the environment!

Must not be discarded with household waste! This product contains electrical or electronic components that should be recycled. Leave the product for recycling at the designated station e.g. the local authority's recycling station.

Jula reserves the right to make changes. In the event of problems, please contact our service department.

www.jula.com

Tillverkare/ Produsent/ Producenci/ Manufacturer

Jula AB, Box 363, 532 24 SKARA

Distributör/ Distributør/ Dystrybutor/ Distributor

Jula Poland Sp. z o.o., ul.

EC DECLARATION OF CONFORMITY

EG FÖRSÄKRAN OM ÖVERENSSTÄMMELSE

EF SAMSVARSERKLÆRING

DEKLARACJA ZGODNOŚCI WE

Jula AB, Box 363, SE-532 24 SKARA, SWEDEN

RoHS Directive 2011/65/EU

EN 50581:2012

This product was CE marked in year -17

Skara 2017-04-04

STEFAN LJUNGGREN

BUSINESS AREA MANAGER

Line drawing of a handheld metal detector with attached casing and leads (no text or symbols)

Technical line drawing of a mechanical detection device with a circular base and connecting rod (no text or symbols)

5

Technical line drawing of a mechanical device with no visible text or symbols

Line drawing of a mechanical device with handle and lever mechanism (no text or symbols)

7

8

Diagram of a mechanical or electrical component with four directional arrows and a central hub, no text or symbols present.

Illustration of a person using a device to interact with a ball, leaving a long motion line (no text or symbols)

Sketch of a person holding a metal detector, no text or symbols present

SÄKERHETSANVISNINGAR

ALLMÄNNA

SÄKERHETSANVISNINGAR

WARNING!

BRUK OG VEDLIKEHOLD AV EL- VERKT∅Y

F∅LSOMHETSINNSTILLING

DYSKRYMINACJA (DISC)

GENERAL SAFETY INSTRUCTIONS

WARNING!

• Failure to follow all the instructions and safety instructions can result in the risk of electric shock, fire and/or serious personal injury.
• The product is not a toy. Store out of the reach of children.

Avoid electric shock

• The equipment can detect buried power lines, explosives and other objects that can cause personal injury if interfered with.
• Do not use the equipment where there can be power lines or conduits just below the surface.
• Never search in military zones where there could be mines or other explosives in the ground.
• Avoid contact with lines that are, or could be, live.
• Avoid sweeping pipes, especially if they could contain flammable gas or liquid.
• Use your common sense before using the equipment in unfamiliar areas.
• Do not use the equipment if there is there is a risk that it is not safe to use it.

ELECTRICAL SAFETY

• Do not expose the machine to rain or moisture. If water gets into the machine this will increase the risk of electric shock.
• The search coil is waterproof and can be used fully submerged in water or sea water.
• Only the search coil and plastic part on the lower handle are waterproof. Do not immerse the equipment in water deeper than up to the plastic part on the lower handle.
• Keep the equipment clean. Wipe the casing every time it has been used. The

search coil can be washed and fully immersed in water. Never immerse the electronic unit in water or any other liquid. Protect the electronic unit from rain, moisture and mist. Remove the handle and wipe clean after using it in sandy conditions.

• Make sure that water does not get into the control unit.
• Sea water can cause oxidisation of the search coil.
  • Always rinse the search coil with fresh water after use in sea water.

PERSONAL SAFETY

- If you have a pacemaker, contact your doctor before using the equipment. Electromagnetic fields can influence the functionality of pacemakers, or cause malfunctioning. Persons who have pacemakers should also:

• avoid using the equipment on their own.

• Maintain and inspect the equipment properly to avoid the risk of electric shock.

• Always pay attention to what you are doing and use your common sense when working with the machine.

• Never use the machine when you are tired or under the influence of drugs, alcohol or medication.
• Do not overreach – always maintain a firm footing and good balance. This will enable you to have better control over the machine in unexpected situations.
• Wear approved safety glasses and safety gloves during assembly and when excavating.

USING AND LOOKING AFTER POWER TOOLS

- Do not use the machine if it cannot be

switched on and off with the power switch.

• Remove the batteries from the machine before maintenance or storage.
• Store the machine out of the reach of children when not in use. Never allow children, or anyone who is unfamiliar with the machine and these instructions, to use it.
• Maintain the machine. Check that moving parts are properly adjusted and do not jam, and that no parts are incorrectly fitted or damaged. Check for other factors that could affect functionality.
• If the machine is damaged it must be repaired before using it again.

SERVICE

• The machine must only be serviced by qualified service personnel using identical spare parts. This will ensure that the machine remains safe to use.
• Never try to open the machine. The machine does not contain any parts that can be repaired by the user. Modifying or replacing internal components will cause the machine to malfunction and will invalidate the warranty.

SPECIAL SAFETY INSTRUCTIONS

• A permit from the county administrative board is required to use it (Sweden and Norway).
• All the stickers on the equipment must be intact and legible. These markings contain important safety information.
• Always handle the equipment with care. The circuit board and casing can be damaged if the equipment is dropped, which can lead to malfunctioning.
• Insert the batteries with the correct polarity. Do not mix different types of batteries, or batteries with different capacities or charging levels.
• Follow local regulations for use, excavations and findings. Obtain permission from the land owner before

using the equipment on private land.

• Use and store the equipment at normal temperature. Extreme temperatures can shorten the service-life of electronic equipment and damage plastic parts.
• Keep the equipment away from lamps, televisions, computers and mobile phones. They can all cause electromagnetic interference.
• Always use the correct tool for the job. This tool is intended for specific applications.
• Never modify the equipment in any way.
• Do not use the equipment for anything other than the purpose for which it is intended.
• The warnings and instructions in these instructions do not cover all the possible situations that could occur. The user must employ common sense and due caution.

TECHNICAL DATA

Battery 29 V

Scan depth for coins 26 cm

Depth readings Yes

Waterproof* Yes

Earphone jack 6.3 mm

Weight 2.7 kg

*Search coil only

SYMBOLS

Description of symbols used on the product. Familiarise yourself with them to reduce the risk of personal injury and material damage.

	Approved in accordance with the relevant EU directives.
	Sort at source as electrical waste.
	Handle the equipment with care. The circuit board and casing can be damaged if the equipment is dropped, which can lead to malfunctioning.
	Use and store the machine at normal temperatures. Extreme temperatures can shorten the service-life of electronic equipment and damage plastic parts.
	Do not expose the machine to dust or dirt, which can result in unnecessary wear.
	Clean the machine with a damp cloth. Do not use strong chemicals, detergents or solvents.

DESCRIPTION

Metal detector with watertight search probe, telescopic handle and large LCD display. Incorporates functions for depth reading, variable sensitivity and 3 different tones for different metals. Runs on 2 9V batteries (sold separately).

TERMINOLOGY

The following standard terms are used in the manual.

ELIMINATION

Eliminating a metal means that the detector does not indicate, with audio signal or on the display, when the search coil passes an object made of this metal.

DISCRIMINATION (DISC)

Means that the detector discriminates between different metals by eliminating or emitting different signals for different metals. Discrimination is an important function of professional metal detectors and means that the user can go past junk and other unwanted objects.

SELECTIVE DISCRIMINATION (NOTCH)

This means that signals from a specific object or a specific type of object in the metal spectrum are selectively filtered.

AUTOMATIC SELECTIVE DISCRIMINATION (AUTO NOTCH)

This function eliminates automatically scrap metals, but detects most types of coins. The range for AUTO NOTCH is set at the factory and cannot be adjusted.

RELIC

In metal detection a relic is an object that is interesting because of its age or history. Many relics are made of iron, but also bronze and precious metals.

IRON

Iron is a common, base metal which you often do not want to detect.

Examples of unwanted iron objects include old cans, pipes, screws and nails.

Detected objects are often made of iron.

Boundary markings between properties can for example contain iron. Valuable relics can be made of iron, such as cannonballs, weapons and armour, and parts of structures and vehicles.

MATERIAL CONTAINING IRON

Iron and metals containing iron.

GROUND TRACKING (GND TRAC)

This is the process of precisely locating a buried metal object. Metals that have lain for a long time in the ground can look like the surrounding soil, and can therefore be very difficult to distinguish from the soil.

CAPS AND CAN RINGS

Caps and rings from drink containers are junk that is most troublesome for treasure hunters. They come in many shapes and sizes. Caps and rings can be eliminated from the detection process, but then so can some valuable objects with a similar magnetic signature.

GROUND BALANCING (GND BAL)

This means that the detector is set so that it does not react to the natural minerals in the ground. This eliminates false signals and the detector will then only indicate metal objects.

SURFACE ELIMINATION (SURF ELIM)

This function can improve the precision of the detector in ground with large amounts of scrap metal. The function eliminates signals from scrap metal in the surface layer and balances the signals from large target objects.

ASSEMBLY

No tools are necessary for the assembly.

FIG. 1

1. Fit the search coil on the lower part of the handle (black fibreglass) and lock in place with the locking screw.

2. Press in the silver button on the top end of the lower part of the handle and insert the lower part in the top part. Stand upright with the detector in your hand and the search coil at ground level and with your arm relaxed at your side to adjust the handle to the right length. Tighten the lock ring anticlockwise.

3. Wind the cable to the search coil round the handle.

FIG. 2

1. Put the plug on the cable into the connection on the control unit.

FIG. 3

NOTE:

• Do not overtighten. Do not use a tool to tighten.
• The plug on the search coil cable can only be inserted in one way. Do not force the plug and do not pull the cable to unplug the plug, this could damage the machine.

FITTING THE ARM REST

Press in the silver button on the top end of the lower part of the handle and insert the aluminium end of the arm rest. Check that the silver button springs out.

FIG. 4

ADJUSTING THE ARM REST

The standard adjustment of the arm rest suits most people. Persons with very short forearms (such as children) or very thick forearms may need to adjust the arm rest.

There are three positions for the arm rest. To adjust, undo the screw on the underside and move the arm rest to the required position and then replace the screw.

FIG. 5

BATTERIES

NOTE:

• The machine runs on two 9 V alkaline batteries (sold separately in Julia's department store).
• Only use charged batteries of the recommended type.
• Do not mix old and new batteries, or different types of batteries.

Insertion

1. Check that the power switch is in the switched off position.
2. Open the battery cover in the direction of the arrow.
3. Remove the old batteries and release the cables.
4. Connect the cables to the new batteries with the correct polarity and insert the batteries.
5. Replace the battery cover.

FIG. 6

NOTE:

• Remove the batteries if the machine is not going to be used for a week or longer, they can leak chemicals that damage the electronic parts.
• Switch the batteries round after 3–4 working hours to prolong battery life.

- When the batteries are discharged "LOW BATT" is shown in the right hand corner of the display. Replace the batteries as soon as possible.

WARNING!

Do not burn batteries – risk of explosion. Recycle used batteries in accordance with local regulations.

USE

CONTROL PANEL

Readings on the display

FIG. 7

1. Range reading DISC/NOTCH

Indicates the currently set range for DISC/NOTCH.

2. Target reading

Shows the target category.

3. Status reading

Shows the machine status (sensitivity setting, set range for DISC/NOTCH), battery charge status and if SURF-ELIM has been selected, or not.

4. Sensitivity reading (SENSITIVITY)

Shows the sensitivity of the machine.

5. Depth reading

Indicates the target depth.

DESCRIPTION OF CONTROL UNIT

FIG. 8

1. VOLUME

Switching on and switching off, plus adjusting the volume.

2. MODE

Selection of power mode.

3. SURF ELIM

Activates surface elimination mode.

4. GND TRAC, GND BAL

Indicates ground balancing in mode ALL METAL and precise localisation of object.

5. ADJUST, UP ARROW, DOWN ARROW, ENTER

Adjusts the sensitivity and range for DISC and NOTCH.

USE

Movement mode and stationary mode

ALL METAL

Mode ALL METAL is a mode for stationary searching. In this mode metal is detected when the search coil is held still over the ground and the detector emits a monotone sound. The search coil does not need to be moved from side to side. To eliminate common minerals and ores in ALL METAL mode, turn the control GND BAL and press GND TRAC repeatedly. The metal detector emits an audio signal with a medium high tone for each target detected in ALL METAL mode.

DISC, NOTCH and AUTO-NOTCH

The modes DISC, NOTCH and AUTO-NOTCH are motion modes. In these modes three different audio signals are used to indicate different metals. Automatic ground balancing can be used. The sensitivity can be set, but the ground balancing function cannot be used. The range for DISC and NOTCH can be adjusted to eliminate scrap metal. The motion mode means that the search coil must be in motion all the time to detect targets.

Starting the detector

Turn the VOLUME from OFF mode to start the detector. The machine runs a self-test where all the display segments go on and the different audio signals (low, medium high and high tone) sound. After 2–3 seconds the machine goes into DISC mode.

Operating modes

The detector has four operating modes: DISC, ALL METAL, AUTO-NOTCH and NOTCH.

Press MODE to switch between operating modes in the following order: DISC→ALL METAL→AUTO-NOTCH→NOTCH→DISC... The current mode is shown in the bottom left corner of the display.

DISC

DISC is activated automatically when the machine is started. The probable depth of objects of coin size is shown in the boxes to the left of the display. The depth reading is activated when objects are detected. The depth reading is not reliable for larger objects. In this mode the machine can eliminate unwanted objects from the detection within the categories shown at the top of the display. The DISC/NOTCH reading shows the current discrimination level and the probable character of the detected object is shown by the arrows on the top of the display. SENSITIVITY indicates the current sensitivity level and DEPTH indicates the estimated depth of the target. The depth reading is activated when objects are detected. The depth reading is more reliable at greater depths, for larger objects, at longer distances from the search coil.

Setting the area for DISC mode

Press ADJUST to go to area setting for DISC mode. DISC/NOTCH appears at the bottom right of the display. Press the up arrow to increase the discrimination level or the down arrow to reduce the discrimination level.

ALL METAL

Press MODE to go to ALL METAL mode, which is a stationary mode. In this mode the detector emits a monotone sound when metal is detected and the depth reading indicates the relative signal strength for the target. The stronger the signal, the louder the sound. Fine-search is used for precise localisation of coin sized objects. Move the search coil over the target area to localise the target. Carry out a careful ground balancing before using ALL METAL mode. See section on ground balancing and precise localisation (stationary mode). Target reading does not work in ALL METAL mode. Switch to a motion mode to show target reading and depth.

NOTCH

Use NOTCH mode to selectively eliminate one or more metals from the categories. The DISC/NOTCH reading shows the current discrimination level and the probable character of the detected object is shown by the arrows on the top of the display. SENSITIVITY indicates the current sensitivity level. The depth reading indicates the probable depth of the target.

Setting the area for NOTCH mode

In NOTCH mode, press ADJUST to go to area setting for DISC/NOTCH mode. DISC/NOTCH appears at the bottom right corner of the display. Press the up or down arrow until the arrow for the desired category flashes in the target indication. Press ENTER to eliminate the corresponding category. Repeat if several

categories are to be eliminated.

AUTO-NOTCH

When this mode is activated AUTO-NOTCH is shown at the bottom of the display and scrap metals are eliminated automatically so that only coin detection is active. Metals such as different types of caps, iron, foil and can rings are eliminated. The range for DISC/NOTCH (not adjustable) shows the current target identification area and the probable character of the detected object is shown by the arrows on the top of the display. SENSITIVITY indicates the current sensitivity level. The depth reading indicates the probable depth of the target.

SENSITIVITY SETTING

The sensitivity setting in DISC, NOTCH and AUTO-NOTCH mode

Press ADJUST to go to sensitivity setting. The display shows SENSITIVITY down to the right. Press the up arrow to increase the sensitivity or the down arrow to reduce.

NOTE:

The sensitivity cannot be adjusted in ALL METAL mode.

ELECTROMAGNETIC INTERFERENCE

The sensitivity setting is intended to eliminate electromagnetic interference. The metal detector is very sensitive. The search coil creates a magnetic field and functions as an antenna. If the machine emits irregular audio signals when the search coil is held still the machine is probably detecting another electromagnetic field. Common sources of electromagnetic interference are power lines (both overhead and buried), motors and electrical appliances such as computers and microwave ovens. Some electrical appliances, such as dimmers

for household lighting, produce powerful electromagnetic interference and can cause the machine to emit irregular audio signals. Other metal detectors can also generate electromagnetic fields. Keep at least 6 m away from other metal detectors when in use.

DIFFICULT GROUND CONDITIONS

The sensitivity setting can also be used to reduce the number of false signals in difficult ground conditions. The machine has a special circuit to reduce interference from minerals in the ground, but this function cannot completely eliminate the risk of false signals. Strong magnetic fields in the ground, which can occur in rocky terrain, can cause the machine to give readings even though there are no metal objects in the vicinity. Soil containing abundant salt and sand can sometimes produce false signals. Set a lower sensitivity if the machine emits false, non-repeating signals.

SEVERAL TARGETS

If you suspect that there can be deeper targets under a more superficial target you can reduce the sensitivity to eliminate the detection of the deeper targets. This makes it easier to localise and identify the more superficial target.

SURFACE ELIMINATION

Press SURF ELIM to activate/deactivate surface elimination. Surface elimination can only be used in motion mode. Surface elimination can improve the precision of the detector in ground with large amounts of scrap metal. The function eliminates signals from scrap metal in the surface layer and balances the signals from large target objects. The sensitivity of the machine is reduced in this mode.

EARPHONE JACK

Earphones (sold separately) make it easier to identify subtle signal variations, which makes detection more precise. They also prolong the battery life. There is a jack for stereo earphones on the control panel.

NOTE:

• Reduce to low volume before starting to listen to avoid hearing impairment.
• Prolonged exposure to high volume can cause a permanent hearing impairment.

Audio Target Identification (ATI)

The identification of buried objects, which is shown on the display, is very precise, but in the field the user does not always have the opportunity to look at the display. For this reason buried objects are indicated by audio signals. The audio signal system tells the user that there is a metal object and also the character of the object. This information can then be confirmed on the display. The audio identification system has three tone levels and only works in motion mode. The machine must be in DISC, NOTCH or AUTO-NOTCH mode.

• In ALL METAL mode the machine only emits a monotone sound.
• Three different audio signals can be given, depending on the character of the detected object.

FIG. 9

Caps, 5-cent coins and the smallest gold objects generate low tones (low frequency signal).

Medium high tone level

Can rings, screw caps, zinc coins, newer penny coins (after 1982) and gold objects generate medium high tones (medium frequency signal).

High tone level

Coins with the values 1 cent (1950), 10 cent, 25 cent and 50 cent fall in this category (high frequency signal).

USING IN THE FIELD

Reading the display

Target reading

The display shows the probable character of the target metal and the probable target depth. When a buried object has been localised and identified the detector's identification is repetitive and unchanging. If the target identification is not repeated consistently when the search coil is moved over the area then the target probably consists of scrap metal or oxidised metal. With practice the user learns to only dig when the signal is repeated. The identification also becomes less reliable as the distance between the target and the search coil increases.

Gold

Gold objects are indicated on the left side of the display. How gold objects are indicated depends on their size. The smaller the object is, the further to the left they are shown. Small gold objects are indicated on the far left side

(under iron objects), large gold objects under S-caps or Zn.

Iron

Objects containing iron are shown on the far left on the display. Objects in this category can be scrap metal or more valuable iron relics.

• 5¢: 5-cent coins and most newer can rings (those that stick to the can) are indicated here.
• Can rings: Can rings from older canned drinks are indicated here. Some newer can rings and many gold rings are indicated here. S-CAPS Screw caps and some smaller gold objects are indicated here.
• 1¢: 1-cent coins (after 1982) and copper coins are indicated here.

Silver

• 10¢/1¢: 1-cent coins (before 1982), 10-cent coins and aluminium coins are indicated here.
• 25¢: 25-cent coins, some silver coins and larger aluminium coins are indicated here.
• 50¢: 50-cent coins and some larger silver coins are indicated here.

The target indications serve as guidance. Many other types of metal can be indicated in the different categories. The metal detector can eliminate or indicate the presence of most common objects of scrap metal, but cannot reliably classify all buried objects.

DEPTH READING

The depth reading is reliable for coin sized objects. The relative depth of the target is indicated. The depth reading is less reliable for large and/or irregularly shaped objects. The depth reading is activated when the search coil is moved over an object and remains activated until some other object is indicated. Repetitive

indications at the same depth indicate a correct target reading. If the depth reading varies for each passage there can be more than one target object in the area. Try moving the search coil in different directions over the area. With practice the user learns to distinguish between correct indications, indications of several targets and very irregular indications that point towards scrap metal or irregularly shaped objects.

NOTE:

Depth readings in the air deviate from depth readings in the ground.

TESTING

In addition to the objects given here you can do tests with target metals similar to the ones you are looking for.

Testing indoors

For this test you need:

• 1 nail

• 125-cent coin
  • 11-cent coin (after 1982)

• Start the machine.

• Place the machine on a wooden or plastic table. Remove jewellery, watch and other metal objects from your hands and arms.
• Place the search coil with the flat part upwards.
• Activate DISC, NOTCH or AUTO-NOTCH mode and move the nail smoothly 10–12 cm over the flat part of the search coil. The machine emits an audio signal with a low tone level when the test object is detected and the arrow for nails goes on in the target reading. The depth reading shows a similar value. Repeat the test with a 1-cent coin (after 1982). The machine emits an audio signal with

a medium high tone level and the arrow in the target reading points to 1¢. Repeat the test with a 25-cent coin. The machine emits an audio signal with a high tone level and the arrow in the target reading points to 25¢.

NOTE:

• If a coin is used for the test it is best to put the flat surface of the coin parallel to the search coil and move past the search coil with a smooth motion. This makes the target easier to detect.
• If the edge of the coin is moved past the search coil the test will fail, and the target reading arrow may flash and move.

In ALL METAL mode hold a test object at least 35 cm over the search coil and move it slowly towards the flat surface of the search coil. The machine emits an audio signal when the target is detected and the depth reading shows a relative value. In this mode the same audio signal is generated for all test objects.

Testing and practice outdoors

Precise localisation (motion mode)

Precise localisation requires practice. The simplest way to precisely locate a target is to move the search coil crosswise over the target area.

FIG. 10

1. When a buried object is clearly indicated continue to move the search coil over the target with increasingly shorted movements from side to side.
2. Note the point on the ground over which the audio signal is heard.
3. Hold the search coil still directly over this point.
4. Now move the search coil backwards and forwards a few times. Note the point on

the ground over which the audio signal is heard again.

1. If necessary move the search coil in a crosswise pattern at different angles over the target area to more precisely locate the point over the ground where the audio signal is heard.

Moving the search coil

Make sure to keep the search coil parallel to the ground, 1–1.5 cm over the surface. Do not allow the search coil to swing up and down.

FIG. 11

If the search coil lifts at the end of it movement this will generate a false signal. Move the search coil sideways, backwards and forwards 7–8 cm. Move the search coil slowly over the ground and overlap the swings while moving forward.

FIG. 12

It is important to move the search coil at a steady speed over the ground. When a target has been found this technique is critical to identify and precisely locate the target object. If the signals are weak move the search coil with short, quick movements over the target area – this can produce more precise target identification.

Most objects worth digging up generate a repetitive audio signal. If the signal is not repeated when the coil is moved over the area a few times it is probably only a case of scrap metal. The repeatability of the signal and thereby the character of the buried object can be verified by moving the search coil crosswise over the target area at different angles. To do this, go round the target area and move the search coil backwards and forwards over the target area ten or more times in one turn.

If an object that has generated an audio signal with a high tone level disappears when detecting from another angle it is most likely

that the detected object is oxidised iron rather than silver or copper. If the tone level changes depending on the angle then the target area can contain several objects. It can be an advantage for new users to initially dig up all the objects that are found. With practice the user becomes better at reading the character of the buried objects from the indications given by the detector. False signals can be given during the search. False signals mean that the machine emits an audio signal even though there are no metal objects in the target area. False signals can be caused by electromagnetic interference, oxide or ground with a high mineral content.

If the machine emits an audio signal that is not repeated when the search coil is moved several times over the same point there will probably not be a metal object in the target area. When searching in places with large amounts of scrap metal it is best to search in small areas with slow, short swings.

In some areas there can be a surprisingly large amount of scrap metal. These are areas where there have been lots of people, and it is often here that the probability of finding precious objects increases.

Ground balancing

Before using ALL METAL mode it is necessary to carry out ground balancing, which means that the machine is adjusted to compensate for the effect of minerals and salts in the ground. Follow the instructions below to ground balance the detector.

1. Use ALL METAL mode to find an area that is free from metal objects, where the detector can be tested. Any metal objects in the area will interfere with the process.
2. Lift the search coil to waist height.
3. Set the first control for ground balancing (GND BAL) in P mode. Turn the dial GND BAL anticlockwise a little from P.

FIG. 13

1. Press GND TRAC.

2. Lower the search coil to 1–1.5 cm over the ground. There must not be any metal objects in the ground.

3. If the machine emits an audio signal when the search coil is 1–1.5 cm over the ground repeat steps 3 and 4.

4. If the machine does not emit an audio signal when the search coil is 1–1.5 cm over the ground then the ground balancing is complete and no further measures are needed.

The dial GND BAL must be turned in small steps until the first setting (in clockwise direction) where the machine does not emit an audio signal is identified. For best results, turn the dial clockwise a little from the first setting where the machine does not emit an audio signal. If the dial is turned clockwise too far the sensitivity of the machine will be reduced.

Check the ground balancing regularly according to the instructions above when searching in different areas. The ground conditions can vary considerably within the same geographic area. Different heights above sea level, the vicinity of water and the presence of stones, sand or clay necessitate redoing the ground balancing.

Precise localisation (stationary mode)

In this mode it is not important how the search coil is moved, but how the machine is adjusted. The machine does not adjust automatically to varying environmental conditions, but must be adjusted by the user.

Adjusting

Hold the search coil still just over the ground. The selected area must not contain any metal objects. Move the search coil repeated over the area to ensure that it does not indicate the presence of any metal.

Detection range

The detection range depends on the size of the target object.

Large objects

When an object is detected the sensitivity (SENSITIVITY) is shown on the display and an audio signal is heard. If the signal does not become weaker when you lift the machine about 2 cm over the ground then a large or irregularly shaped object has been detected. Lift the search coil higher. The indication on the display becomes reduced and the signal quickly becomes weaker. Localise the edges of the object with slow movements at the same height.

Small objects

When an object is detected low sensitivity is shown on the display and a weak audio signal is heard. Hold the search coil at the same height over the ground and move it from side to side. Note the point where the signal is strongest and the highest sensitivity is indicated. Usually the sensitivity indication changes more than the audio signal. Bring the search coil closer the ground to precisely locate the target object. Coin sized objects are detected when they come within the inner range of the coil. Care and maintenance For best results follow the maintenance instructions for safety, functionality and useful life.

TROUBLESHOOTING

If the detector emits a false signal when in use:

• Sensitivity set too high? Reduce the sensitivity until the false signal stops.
• Move the search coil slowly.
• Oxidised metal can cause false signals.
• If the signal is not repeated when the search coil is moved over the target area then the target usually consists of scrap metal.

If the display indicated several target categories, or there are several audio signals at the same time:

• More than one type of metal is present, or the detector cannot identify the target.
• Can also be caused by oxidised metal.
  • Another common cause is high sensitivity.

The detector is unstable and gives false indications:

- There could be power lines or another metal detector in the vicinity.