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INTRODUCTION TO THE DEVICE

LCD Display

SELECT button to access the

basic settings

Keypad for navigation among

menu options and changing the

device settings
EXPERT button to access the

expert settings

LED flashlight

On / Off and volume / overload

volume adjustment button

Headphone jack

Battery compartment cover

Speaker

Ground balance and pinpoint trigger

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Summary of Contents for Nokta

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Page 3: ...detector may only be disassembled and repaired by Nokta Authorized Service Centers Unauthorized disassembly intrusion into the metal detector control housing for any reason voids the warranty IMPORTA...

Page 4: ...ETTINGS PINPOINT TARGET DEPTH LARGE OR SHALLOW TARGETS FALSE SIGNALS AND REASONS MAGNETIC MINERALIZATION INDICATOR ROCKS AND SEARCHING IN ROCKY TERRAINS TRACKING AND EFFECTS OF ROCKS METALS UNDER ROCK...

Page 5: ...ble will not come out from the top of the shaft in the next step 6 Join the two connectors of the system box cable and coil cable paying attention to the pins then tighten The system box cable is a re...

Page 6: ...settings Keypad for navigation among menu options and changing the device settings EXPERT button to access the expert settings LED flashlight On Off and volume overload volume adjustment button Headp...

Page 7: ...the operating frequency chosen Battery life will be less in 5kHz compared to other frequencies Other factors such as LED flashlight usage and usage of speaker or wired wireless headphones will also a...

Page 8: ...ion which shows the warning messages 6 Section which shows the Target ID upon target detection the ground balance whole number value during ground balancing and the estimated target depth in the pinpo...

Page 9: ...t of the shaft so that you are standing in an upright position your arm is relaxed and the search coil is approximately 5cm 2 above the ground It is important to keep the search coil parallel to the g...

Page 10: ...if you don t want to detect ferrous metals with 00 05 ID in the DI2 mode you can set the Disc to 5 9 If you are detecting in a very trashy area and the device is getting too many iron signals instead...

Page 11: ...mps for the ground balance to be completed 4 Upon completion of the ground balance ground balance value is shown on the display GB The device continues to ground balance and produce a beep sound as lo...

Page 12: ...and switch the device to the GEN mode 2 You need to listen to the sounds coming from the ground in order to perform manual ground balance Pump the search coil up and down from about 15 20 cm 6 8 above...

Page 13: ...d balance While tracking is active the device can initially produce a loud signal when it detects a different ground structure for instance a mineral rock or a target In this case swing the search coi...

Page 14: ...ly composite soil structure a ground balance should be performed again to adapt to the varying soil structure In addition re ground balancing is recommended if you change the operating frequency of th...

Page 15: ...ill appear on the screen If you wish to revert back to the normalized IDs repeat the same process and letters no will appear on the screen Tables outlining the search modes and ID ranges as well as th...

Page 16: ...to the signal strength The threshold in this mode is internal and cannot be adjusted by the user Changes in the ground and temperature may lead to drifts in the threshold Threshold drifts will be ref...

Page 17: ...ls with 0 20 ID and a higher tone for all targets with 21 99 ID Upon target detection the threshold will momentarily go silent and only the target audio response will be heard The duration of the thre...

Page 18: ...e Discrimination DI4 4 tone discrimination mode designed for coin hunting in low medium mineralization Due to its high gain and depth this mode is a bit noisier than the other modes Noise will be more...

Page 19: ...ly noisier Noise will be more in the air versus in the ground Take this fact into consideration when adjusting the gain level While searching in this mode a slower swing speed is required The discrimi...

Page 20: ...t back to the modes window NOTE You can go from basic settings to expert settings directly simply by pressing the EXPERT button However you cannot go from expert settings back to basic settings direct...

Page 21: ...d more if the coil is in free air than sweeping the coil on the ground Please keep this factor in mind while adjusting the gain Gain in Static Modes The factory default for the gain setting is optimiz...

Page 22: ...GEN GEN D STA STA D DEEP VLX1 and VLX2 modes In other words as the Disc is increased up to the above mentioned levels stabil ity will increase but depth will be reduced and vice versa Above these lev...

Page 23: ...provides short vibration signals The magnitude of the vibration effect can vary according to the depth of the target and the swinging speed This setting is common in all search modes except for STA a...

Page 24: ...shift the operating frequency of the device 5kHz 14kHz 20kHz in the Expert Setting may also be changed Factory Default Save FD Save With the FD Save feature of the IMPACT you can save your settings o...

Page 25: ...plus and minus buttons are used The cursor blinks while it is moving on the scale When you are on the first ID that you want to reject press the SELECT button once This ID is now rejected and it is sh...

Page 26: ...use the Tone Break feature first select this setting from the Expert Settings The names of the metal groups mentioned above will appear at the bottom of the screen The Tone Break point of the metal gr...

Page 27: ...lowly for a deeper detection iSAT consists of 10 levels The device will start at level 6 It is recommended that iSAT should be increased in high mineralization and decreased in low mineralization iSAT...

Page 28: ...IMPACT offers 3 operating frequencies 5kHz 14kHz and 20kHz to suit different target and soil types Based on the frequency selected the detector s detection performance for different types of targets...

Page 29: ...in pitch and volume as the search coil approaches the target In this mode the device does not discriminate or give target IDs If the device is in the vibration mode the speed of vibration will increa...

Page 30: ...starts to generate a continuous sound which resembles a siren Overload message is shown on the display simultaneously In such a case lift the search coil up until the message disappears FALSE SIGNALS...

Page 31: ...sitive based on their ID being low or high in com parison to the ID of the soil they are in One or both of the types may be present in a field The negative and positive effects mentioned here will onl...

Page 32: ...is a slight delay in tracking you may hear a strong signal at the first one or two swings until the setting is adjusted Then the sound will get weaker and disappear This will not happen with metal tar...

Page 33: ...l lose metals along with rocks If the hot rocks in your search area tend to give high IDs then the chances of missing the signals of small metals underneath will be high as well SEARCHING IN SHALLOW W...

Page 34: ...ground balancing It does not indicate any error or problem It only indicates what should be done Check Coil It indicates an interruption in the search coil transmitter signal The search coil connecto...

Page 35: ...ne Break Notch Filter Ground Balance Pinpoint Frequency Shift Vibration Gain Setting Target ID Search Coil Display Backlight LED Flashlight Weight Length Battery Warranty VLF 5kHz 14kHz 20kHz 150 Hz 7...

Page 36: ...4 89 1928 Six Pence 55 72 79 30 53 62 1868 Six Pence 74 84 85 55 74 79 1842 Four Pence 68 83 84 49 69 75 1952 Three Pence 74 84 85 56 74 80 IMPORTANT If you are using the Normalized ID scale the devic...

Page 37: ...03 x 03 x 03 x 03 x 03 x 03 x 03 x 03 x 03 FD Save Fd SA x x x x x x x x x x x x EXPERT Notch Filter 00 99 x 03 x 03 x 03 x 03 x 10 x 15 x 00 x 00 Audio Tone 15 70 x 33 x 33 x 15 33 x 15 33 64 x 15 33...

Page 38: ...x x x x x x x x x x x x x x x x WET BEACH SAND x x PARKS TRASHY SITES x x x x x x x x x x x x x x x x x x TARGET 5kHz 14kHz 20kHz 5kHz 14kHz 20kHz 5kHz 14kHz 20kHz 5kHz 14kHz 20kHz 5kHz 14kHz 20kHz 5k...

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