PD 3200 PULSEDISCRIMINATOR
Contents
1. 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu If for some reason the expected drop of voltage does not happen the batteries will continue to warm up After exceeding a certain temperature level the charging will stop Expected final voltage 17 1V calculated from the reached level of 17 3V during charging During charging the voltage of the battery has reached the maximum value of 17 3V Charged output in the accumulator during charging The voltage before the end of charging is equal to the maximum voltage i e there is no voltage drop Charging electricity before the termination of charging If for some reason the expected drop of voltage does not happen in the end of charging the batteries do not warm up to the maximum temperature allowed but the maximum level set for the voltage is reached and the charging ends Expected final voltage 17 4V calculated from the reached level of 17 6V during charging During charging the voltage of the battery has reached the maximum value of 17 6V The temperature has risen but has not exceeded the maximum level allowed Charged output in the accumulator during charging Charging electricity before the termination of charging Good luck Mole Impulse Digital DD Pro operation manual 152. detected is nonferrous the produced tone will be loud and there are bells visible on the right from the centre s display If the metal detected is ferrous there are circles visible on the left from the centre and the tone produced will be low When the operator completes his work over the object detected he must leave its area and go to plain land and again press the FAST ZERO button in order to continue searching By only pressing the FUNCTION button the operator will reach the main menu where only the main parameters can be changed namely POWER POW ADC STATISTIC STAT DISPLAY mDly without seeing the service ones How to enter the service settings menu Press and hold down the FAST ZERO button with your right hand Press and hold down the FUNCTION button with your left hand and turn leftwards 1 2 positions Then release both FAST ZERO and FUNCTION buttons Press again the FUNCTION button until the desired function is displayed in order to change the settings If this short description is not enough to start detecting please read the whole user s manual carefully Mole Impulse Digital DD Pro operation manual 4 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Switching on After pressing the POWER button the internal speaker produces a sound and the display shows The automatic adaptation to the coil starts rese
3. in coils of 110x110 cm it is between 3 and 5 in coils of 200x200 cm it is between 2 and 4 smp1 51 smp2 49 0 c1 15 0 c2 11 cEFE 0 10 rejF 0 mode 0 1 for Europe and other countries with frequencies of 50 Hz or 2 3 for the USA Japan China and other countries with frequencies of 60Hz ofsB 116 sclB 100 ofsT 33 scIT 38 maxT 40 chgi 40 ofsl 9 scll 64 sclU 105 maxU 182 capB 40 cf l 57 mneg 6 freq 10 63 61 intM 5 50 on 5 a short tone on 50 more continuous tone Mole Impulse Digital DD Pro operation manual 3 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu DISC ALL METAL button Best to work is the ALL METAL mode which also provides discrimination On the left from the centre section zeros shall be visible i e ferrous metal detected and on the right bells i e nonferrous metal detected When in ALL METAL mode regardless of the discrimination the device will produce one and the same tone for ferrous and nonferrous metals but it will be visible on the display whether it is ferrous or nonferrous When a tone is produced while in ALL METAL mode the operator must leave the detected object s area and switch to DISC mode by pressing the DISC ALL METAL button and after that he must press the FAST ZERO button and again walk over the signal s area In case the metal
4. signal cannot be analyzed if the levels are too low The higher the level the steadier the discrimination is in the beginning just beyond the threshold This requirement for minimal levels of the signal in DISC mode is the reason why the greatest sensitivity can be achieved in ALL METALS mode Mole Impulse Digital DD Pro operation manual 10 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Adjusting the threshold determining the sound change DISC parameter This is the value of the coefficient C1 which is followed by a high tone signal and preceded by a low tone signal The threshold for sound change is adjusted by the DISC knob normally 5 When the device picks up a signal greater than the threshold from which the sound works TRSH it is discriminated and the coefficients C1 and C2 show the type of the signal and according to C1 and the chosen threshold DISC a low or high tone is produced Allowing and forbidding the low tone in DISC mode For allowing or forbidding the low tone press FUNCTION down continuously for 3 4 sec A circle with bold outline means that high and low tones are allowed When both tones are allowed the device produces low or high tone when discovering all types of metals high tone nonferrous metals low tone ferrous metals Circle with dashed outline means forbidden low tone When
5. the low tone is forbidden upon discovering objects which provoked longer signal a sound is not produced but the signal s strength and type are displayed Mole Impulse Digital DD Pro operation manual 11 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Example for working in DISC mode MODE fix 0 5 NORMAL DISC This mode can be used either in motion or being static If the signal picked up by the coil is greater than the sound threshold TRSH according to the calculated coefficient C1 high or low tone is produced if both tones are allowed If the received signal is short C1 has positive values If the signal is long C1 has low positive or negative values Depending on the adjusted environment of the discrimination scale DISC if C1 is greater than DISC a high tone is produced And the opposite if C1 is smaller than DISC a low tone is produced if it is not forbidden and if it is no sound is produced Example The device is reset before starting a search by lifting the coil in the air and pressing the FAST ZERO button Lower the coil to 6 10cm for small coil and 30 40cm for large coil above the ground and press again FAST ZERO If the ground signal is fix5 4 8 the sound threshold TRSH 10 must be adjusted by using the THRESHOLD knob The environment of the discrimination DISC 5 is adjusted using the DISC
6. the speaker In case the work with the smaller coil is slower LEVEL shall be set on O DISC from 0 to 10 normally 5 By using the DISC potentiometer the operator can control the device and set it to detect a metal either as a ferrous or as a nonferrous one FUNCTION this button potentiometer changes the work mode as well as MOV and FIX modes by moving it leftwards or rightwards Mode change is made by two consecutive presses of the FUNCTION button The arrow gt shall be moved upwards to Prof The turn of the FUNCTION button changes Prof from 1 to 4 In case the mode needs to be changed press the FUNCTION button downwards Upon the first press the mode s subsettings begin to appear consecutively which in sequential order are POW ADC STat Disp and mDly and which values change upon turning the FUNCTION button leftwards or rightwards Note There are 22 functions more available which are service settings and are to be changed only in special occasions They cannot be entered into or changed by accident as it is to be made by pressing combination of buttons Mole Impulse Digital DD Pro operation manual 2 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Example Prof1 POW 1 2 normally 2 ADC 1 3 normally 2 Stat 2 Disp 7 mDly in coils of 23x36 cm or 50 cm it is between 4 and 6
7. towards slowly fading signals stays the same The practical application is the following if ignorance of small objects is desired as well as ground signal fading and only large and deeply buried objects are searched as in the case of working with a frame then mDly must be 3 4 which means delayed detection When working with circular coils mDly can be 5 6 this means earlier detection and provides maximum sensitivity Mole Impulse Digital DD Pro operation manual 8 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Example for working in ALL METALS mode Mode fix 0 5 ALL METALS This mode can be chosen either for working in motion or being static When the coil is held above the object the signal does not fade gradually as it happens in mode mov The signal stays which is very comfortable for the precise location of the object Example Mode fix5 is chosen The coil is held in the air and the device must be reset using FAST ZERO After the coil is lowered to its working distance above the ground 6 10 cm for small coil and 30 40 cm for large coil a ground signal appears fix5 3 5 Again push FAST ZERO Example If the value of fix5 is 3 the sound threshold is adjusted to TRSH 4 with the THRESHOLD knob the sound fades and appears only after the signal reaches levels beyond 4 As the coil is moved ar
8. Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Mole Impulse Digital DD Pro Operation manual Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Mole Impulse Digital DD Pro operation manual 1 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu QUICK START THRESHOLD between 0 and 4 in case there is no noise it shall be set on 0 then the device is set on its most sensitive mode i e the maximum depth detection In the event of noise it shall be moved with one level up to 4 until the noise disappears During search of large objects it must be set on 6 to 10 in order not to hear smaller objects which to a certain extent reduce the detection depth The position of THRESHOLD shall be bigger than the position after FIX For instance In case FIX5 is set on 2 the THRESHOLD potentiometer shall be set on 3 This means that all signals higher than 3 will produce tones LEVEL during work with large coils LEVEL must be always set on 0 During work with small coils and when a quick movement is needed LEVEL shall be set on 0 to 10 until the tone is no longer heard in
9. ales deltapulse eu CHARGING MODE The charging of the built in accumulative battery is carried out when the POWER button is off and outside voltage charge 12V to 24V is provided Recommended 20V The following is displayed on the screen Current maximum voltage If the current voltage drops reached down below this value in charge mode the charging is Current temperature of accumulators stopped Current charged output Current charging electricity Current voltage of accumulators The charging of the batteries begins which continues to the reaching of the following measures Normally when charging the battery the voltage of accumulator gradually increases At the end of the charging when full capacity is reached the batteries start slowly to warm up which causes certain even though minimal drop of the voltage regardless of the ongoing charging This is standard indication that the battery is full so the charging stops Expected final voltage of 17 2V calculated from the reached level of 17 4V during charging During charging the voltage of the battery has reached maximum value of 17 4V greater than the final voltage 17 2V The temperature has risen but has not exceeded 40 degrees Charged output in the accumulator during charging Charging electricity before charging termination Mole Impulse Digital DD Pro operation manual 14 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359
10. erage sound strength e Graphic indicator of the general signal strength It is similar to the indicator of signal changes dividing line upon lack of Normally both indicators show positive values when an object is detected and upon its disappearance they are zero or tend to vary around fix5 2 1 0 1 2 Values of level indicators in fix mode When there is an object within the range of the coil the object causes a signal which is displayed on the two level indicators as a number If this signal exceeds the chosen a sound is produced The frequency of this sound depends on the signal strength higher quency for higher signals The signal type is displayed on the dividing line as symbols circles or stars bells The circles show slowly fading signal and the stars quickly fading signal Note 1 If the device is reset with the FAST ZERO button while there is an object detected within the range of the coil the level will become 0 When the object disappears the signal will become negative e g 35 and a sound warning for negative level will appear Mole Impulse Digital DD Pro operation manual 6 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu If the general signal increases and becomes bigger than 120 units the level indicators show higher level as gt gt gt gt gt gt overflow bu
11. icked up it gradually fades When the coil passes an area in which the signal is greater than the background and the difference is greater than the chosen sound threshold TRSH with the THRESHOLD knob this difference is discriminated coefficient C1 is calculated and a low or high tone is produced depending on C1 and the chosen environment for discrimination DISC with the DISC knob Example With turning the FUNCTION button anticlockwise submode mov3 is selected The coil is raised in the air and the device is reset Lower the coil above the ground 6 10cm for small coil and 30 40cm for large coil and press again FAST ZERO If the ground signal is mov3 5 6 which little by little fades to 0 1 the coil moves left and right and the signals received are mov3 8 10 due to the movement and the small changes in the ground signal The sound threshold TRSH 10 and the environment of the discrimination DISC 5 are adjusted using the THRESHOLD and DISC knobs respectively When moving the coil above certain areas the signal goes stronger and the device shows mov3 15 25 15 C1 12 which is greater than DISC 5 and that is why a high tone is produced This means that there is a metal object in the ground causing quickly fading signal nonferrous metal Mole Impulse Digital DD Pro operation manual 13 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail s
12. knob Above certain areas the signal increases fix5 15 25 30 15 and C1 7 8 which is greater than the chosen DISC 5 and that is why a high sound is produced signaling that a metal provoking quickly fading signals is detected On the row between the level indicators a graphic symbol is displayed corresponding to C1 7 8 Above another area a signal is picked up fix5 15 30 40 30 15 and C1 2 4 and is lower than DISC 5 that is why a low tone is produced if the low tone is forbidden there is no sound This means that a metal provoking slowly fading signal is discovered On the row between the level indicators a graphic signal is displayed O corresponding to C1 3 The symbol display of the discrimination result the calculated coefficient for the signal C1 allows its quicker and easier understanding it is in a way visual discrimination The negative values of C1 are shown on the left from the dividing point in the middle as circles and the positive values are displayed as stars on the right side from this point Mole Impulse Digital DD Pro operation manual 12 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Quickly fading signal Slowly fading signal mov 0 5 AUTO DISC MODE In order to pick up signals in this mode the coil must be in motion After stopping even if a signal is p
13. ng in motion i e the signal disappears after continuous hold of the coil above the object Graphic indicator of signal changes Balance indicator Threshold for low high dividing line upon lack of signal Sound threshold works Signal from an object as a number symbols showing the Soe signal type Graphic indicator of the Signal mode general sound strength Work parameters for this mode are TRSH sound threshold from O to 11 Only sound with strength higher than the threshold will be represented and will be accompanied by a sound DISC Sound changing threshold from lower to higher tone This threshold determines which object will produce high and which objects will produce low tones Balance indicator shows whether the device is balanced when there is no signal In order to check this the operator must lift the searching coil in the air so that there is no signal in its range Then the indicator must have the same levels on both sides of the dash symbol and if the levels are not the same the device must be reset Otherwise the readings of C1 and C2 would be invalid especially for lower levels Adjusting the sound threshold TRSH parameter minimum signal after which the discrimination begins and a sound is produced The minimal level for the sound is chosen with the THRESHOLD knob and is normally 10 This level is higher than the level of the threshold in ALL METALS mode as the
14. ound a certain area increase of the signal is discovered 5 10 15 20 15 10 5 a sound which monitors the amplitude is produced Some slow movements left and right are made and the coil is stopped at the point where the signal is maximum the frequency is the highest After that the coil is moved back and forth so that the device can determine the point of higher frequency and maximum sound Thus the place where the accepted signal is the strongest is found The possible positioning of the object is in the ground below the focus the center of the coil The difference between the submodes FIX0 1 2 3 4 5 is in the maximum movement speed allowed fix0 1 2 are quick modes where the consumed electricity from the battery is higher The quickest one is fix0 It is suitable for very quick movements of the coil However it is very sensitive to disturbances as local radio stations etc Submodes fix3 4 5 are slow modes as fix5 is the slowest one In these modes the consumed electricity from the battery is lower which provides longer battery life and respectively more working time Normally mode fix5 is most suitable for work Mole Impulse Digital DD Pro operation manual 9 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu DISC mode Here as well the fix mode is static the signal does not fade and mov mode is for worki
15. r frequency sound Mole Impulse Digital DD Pro operation manual 7 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu Changing the working profile capacit The device can function in four different profiles for adjusting the searching coil Prof 1 2 3 4 Switching on different profiles happens when the FUNCTION button is pressed twice the arrow is moved upwards first in front of TRSH after that in front of gt Prof With turning the knob leftwards or rightwards Prof 1 2 3 or 4 is chosen after that the FUNCTION button is pressed downwards and the device is reset Note The presence of four working profiles allows the device to tune in in advance to circular searching coils or a large frame The described parameters below POW ADC mDly vary for each profile Change of the main delay of sampling The parameter mDly Main delay determines on what level the procedure for automatic adjustment of the coil will end after turning the device on On this parameter depends where exactly will be situated the point of detection after the end of the impulse upon acceptance of the reflected signals This can greatly affect the sensitivity towards certain signals For example the early detection increases sensitivity towards quickly fading signals on the opposite the late detection suppresses the signals as the sensitivity
16. t the value as a number continues to monitor the growth and the sound frequency also continues to change If the level of overflowing is reached the sound changes to a very high signal tone and the following appears on the 4 row of the display OVERFLOW signal error Values of level indicators in mov mode The mov mode is chosen after several turns of the FUNCTION knob it can be mov 0 5 The difference between these submodes is in the time it takes to automatically reset the signals found The device constantly adjusts to the average strength of the signal however the transitory changes are shown as a signal from an object which disappears gradually The signal disappears slower in mov5 i e in this case the movement is slowest and on the contrary in movO the movement must be quicker On the 4 row of the display the level indicator and the numerical index show the general signal and on the 2 row the level indicator mov shows the transitory diversion from the average signal Note If the transitory signal fades below the level of the average signal and the difference became negative the average signal is quickly leveled with the transitory one i e the negative values in this mode are momentary so that the device can quickly pick up new signal intensifications The sound signal appears when the growth above the avera j eral signal is equal or igger than the threshold TRSH Again the bigger crease causes highe
17. tting the device which normally continues 2 4 sec At the end of the coil initialization a second sound is produced and the display shows Clear the device is reset At the end the device switches to the selected work mode ALL METALS or DISC AUTO DISC Mole Impulse Digital DD Pro operation manual 5 Notsi Ltd Bulgaria 9027 Varna Troleyna 12 street Ph 00359 899 822010 Fax 00359 52 507227 Web www deltapulse eu E mail sales deltapulse eu All Metals Mode In ALL METALS mode the following parameters are displayed Work mode Battery meter Graphic indicator of signal Sound threshold signal symbols showing the Signal strength signal type Graphic indicator of the general signal strength Signal mode e Battery meter as a percentage of the maximum voltage 0 100 shows empty full battery Prof work mode 1 2 3 4 for large searching coil 1 2 or for small searching coil 3 4 Sound threshold TRSH from 0 to 11 Only sound with strength higher than the threshold will be accompanied by a sound e Signal strength from an object as a number from 0 500 OVERFLOW signal error e Graphic indicator of signal changes It can have either positive or negative values moving right and respectively left from the dividing zero point in the middle N In fix mode this indicator is the same as the indicator of the general sound strength of 4 row In mov mode it shows only the increasing values above the av
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