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Minelab 4901 - 0059 - page 1
These quick start instruc tions allow you to begin detecting straight away and fi nd important reference information for setting up your X - T erra 70. Minelab encourages all users to read the entire manual to ensure a complete understanding of all the features and functions that your X- T err a 70 off ers. Tu r n o n (pg. 12) Choose a detec ting ...
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Minelab 4901 - 0059 - page 2
The W orld L eader in Metal Sensing T echnology From our origins in 1985, Minelab have specialised in adv anced electronics technologies. Our competitive adv antage was created almost immediately with a highly competent and innovativ e Research and Development team, inspired by the genius of Mr . Bruce Candy . This commitment to innovation has enab ...
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Minelab 4901 - 0059 - page 3
Menu Operation 28 Adjusting Menu Settings 29 Sensitivity 30 Adjusting Sensitivity 3 1 Vo l u m e 32 Adjus tin g Volume 33 Noise Canc el 34 Choosing a Noise Cancel Channel 3 5 Thre shold 3 6 Adjusting Threshold 3 7 To n e s 3 8 Ta r g e t To n e s 3 8 Thre shold T one 38 Adjusting T ones 39 Ground Bala nce 40 Ground Bal ance (Norm al) 40 Ground Bala ...
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Minelab 4901 - 0059 - page 4
2 Metal detec tors create an elec tro - magnetic field, which p enetrates the ground. Because metal is c o nductive it causes a change in this f ield. T he detector senses this change and sends a signal back to the control box, aler ting the o perator . Metal detec tors can determine the size, shape and composition of metallic objec ts beneath the ...
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Minelab 4901 - 0059 - page 5
5 ASS EMBLING Y OUR X- TERR A 70 Connecting the Coil Plug the two rubber washer s int o the holes on either side of the lower shaft yoke. Slide the yoke int o the yoke bracket on top of the coil. En sure that the spring loaded pin in the lower shaf t is underneath the c oil shaf t, pointing downwards. Inser t the p lastic bo lt through the yo ke an ...
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Minelab 4901 - 0059 - page 6
ASS EMBLING Y OUR X- TERR A 70 6 Coil C able Assembly Wind the coil cable around the lower and middle shaf t enough times to take up the slack. Use the velcro tabs to keep the coil cable in place against the shaf t. It is recommended that one tab is used on the lower shaf t close to the c o il and the other tab on the middle shaf t before the cable ...
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Minelab 4901 - 0059 - page 7
8 9 PATTERNS Scrolls through the dif ferent Discrimi nation Patterns (Coin & T reasure Mode only). KE Y P A D L A YO U T POW ER T urns the detec tor on/ of f. Adjusts set tings, reduces Iron Mask and scrolls to the lef t through the discrimination segments. ALL METAL T o ggles bet ween the selec ted discrimination pattern and the All Metal pat ...
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Minelab 4901 - 0059 - page 8
10 11 Ground Balance c an only be accessed via the GROUND BALANCE button) Pat ter ns Preset Disc rimination Patterns are used to suit dif ferent sear ch preferences (C oin & T reasure M ode only). The X- T erra 70 has three pat terns . (Preset Discrimination Patterns , pg. 22). Menu Scale Co ns ists of 1 0 segm ents within a circular scale line ...
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Minelab 4901 - 0059 - page 9
12 13 It is best to only turn the detector on, when outdoors, away from sourc es of elec tromagnetic disturbance. There are many metallic objec ts inside a house (e.g. nails in the f loor , reinforcing in the walls) that migh t overload the electronic s of the detector . There may also be int er ference from T V sets and other household ap pliances ...
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Minelab 4901 - 0059 - page 10
14 15 T o hold the detec tor , thread your arm through the armrest and strap. Grasp the handle of the detector and rest your forearm in the armrest. Y o ur elbow should sit just above the top of the armrest. Lightly tighten the velcro strap and secure it around your arm. The correc t position of armrest and length of shaf t should allow you to swin ...
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Minelab 4901 - 0059 - page 11
17 Ta r g e t R e s p o n s e (Metal Object Response) This is the sound given by the detector when a target is located and not discriminated (rejec ted). In Coin & T reasure Mode, a target that is highly conductive (e.g. a large silver coin) generally causes a high tone beep and ferrous targets generally cause a low tone beep. In Prospec ting M ...
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Minelab 4901 - 0059 - page 12
18 19 19 18 PR OSPECTING MODE Coin & T reasure Mode is used for detec ting valuable objec ts, including old and mo dern coins, jeweller y and ar tifac ts . Undesired objec ts such as pull-t abs and bottle c aps may be rejected . This mode can be used in a variet y of environments, such as park s and salt water beaches. The numerals ( T arget ID ...
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Minelab 4901 - 0059 - page 13
21 Buried metal objec ts are re ferred to as targets . T arget signals contain ferrous and conductivit y information. As the coil is passed over a target, the detector digitally processes the target signal and displays this as a number . T arget Identif ication ( ID) is used to distinguish one t ype of metal t arget from anothe r . T arget ID numb ...
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Minelab 4901 - 0059 - page 14
22 The X- T erra 70 has an All Metal Pattern, three preset Discrimination Patterns and Iron Mask. The combinations of ac cepted and rejec ted segments are referred to as Discrimination Patterns. The X - T erra 7 0 has preset Discrimination Patterns that hav e been cus tomised to detect general desired target s, such as coins and jeweller y . Patter ...
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Minelab 4901 - 0059 - page 15
25 24 The Preset Discriminatio n Patterns may be edited to create custom patterns. Method 1 - to reject a specific T arget ID using an actual target When detecting a target, a discrimination segment will f lash, indicating its position on the discrimination scale and the target ’ s ID number will appear on the LCD. Press ACCE PT RE JEC T to rejec ...
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Minelab 4901 - 0059 - page 16
The X- T erra 70 updates the T arget ID and Depth whilst Pinpointing in Coin & T reasure Mode. PINP OI NTI NG 26 When a signal is heard, it is an advantage to identif y the e xac t position of the t arget. This is determine d by using PINPOINT . Enabling Pinpoint instructs the X- T erra 70 to temporarily disengage discrimination and become a no ...
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Minelab 4901 - 0059 - page 17
28 29 Dete ct ion (d isplay st ate) In Coin & T reasure Mode, the T arget ID, discrimination segments and depth automatically translat e target signals. The last detec ted T arget ID s tays on the display until another is detected. If the detec tor passes o ver a target that it rejec ts, the display will return to a detection screen represented ...
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Minelab 4901 - 0059 - page 18
30 31 The X- T erra 70 is highly sensitiv e and has a wide Sensitivity adjustment range. It is impor tant to set the correct Sensitivit y level for your detecting conditions. Sensitivity is the detec tor’ s level of response to a target and its environmen t. Real targets are indic ated by distinct b eeps. Inter ference or false targets are interp ...
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Minelab 4901 - 0059 - page 19
32 33 V o lume is the level of sound emitted by the detector when a target is detec ted. The Volume c ontrol limits the ma ximum volume of target signals. The sound produced by a distant target star ts sof tly . As you get closer , the volume level increases rapidly until it reaches the maximum level that has been set . The sound produced by the de ...
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Minelab 4901 - 0059 - page 20
34 35 The detec tor ma y become noisy or erratic due to electrical inter ference from powerlines, ele ctrical e quipment or other detectors operating close by . Thi s inte r fer ence is inte rpr ete d as a crackling or popping noise. Noise Cancel allows you to change the noise cancel channel so that you experience less interference. F ive channels ...
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Minelab 4901 - 0059 - page 21
36 37 ADJUSTING THR ESHOLD Threshold is the constant ba ckground sound produced by the detector to help distinguish bet ween desirabl e and undesirable targets. When a rejec ted target is detected, the Threshold sound ‘blank s’ (b ecomes silent) t o indic ate tha t a rejec ted target is underneath th e coil. Speaker/Headphone Threshold The X- T ...
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Minelab 4901 - 0059 - page 22
38 39 TONES ADJUSTING TONES Ta r g e t To n e s The number of T arget T ones may be selec ted from the T ones menu. There are f ive dif ferent options listed in the table b elow . Threshold T one In Prospec ting Mode, the pitch of the Threshold T one can b e adjusted using the T o nes menu. This is a per sonal preference and will var y depending on ...
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Minelab 4901 - 0059 - page 23
40 41 The X-t erra 70 is capable of operating in two dif ferent t yp es of grounds, magnetic (ie. inland park s) and conductive (wet areas of salt water beaches). Ground mineral isation may cause false target signals in all environmen ts. G round Balancing the detector reduces these ground signals and enables good t argets to be displayed and/or he ...
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Minelab 4901 - 0059 - page 24
When Pinpoint is activated , T racking Ground Balance is automatically disabled . When Pinpoint is deactivated , T racking Ground Balance is automatically re-enabled. Tr a c k T r acking Ground Balanc e follows the changes in gro und conditio ns and consta ntly adjust s the Grou nd Balan ce while dete ctin g. As T racking Ground Balanc e constantly ...
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Minelab 4901 - 0059 - page 25
44 45 FAC T O RY P R E S E T S Erasin g Pa tterns Cu stom patterns are saved when the X - T erra 70 is switched off. T o erase cus tom patterns and return to preset patterns: T urn the detec tor of f . While pressing and holding PATTERNS , turn the detector back on by pressing POW ER once. During the star t-up sequence, release PATTERNS . After the ...
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Minelab 4901 - 0059 - page 26
46 47 SOUNDS Threshold This is the background ‘buz z ’ given by the detector , to help distinguish between ac cep ted a nd reject ed targ ets. Blanking When a rejec ted target is detected, the Threshold sound ‘blank s’ (b ecomes silent) t o indic ate tha t a rejec ted target is underneath th e coil. Ta r g e t R e s p o n s e This is the so ...
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Minelab 4901 - 0059 - page 27
C OIL IDENTIFIC A TION 48 49 The X- T erra 70 is capable of operating at three dif ferent transmission frequencies set by VFLEX compatible coils. Stan dar d (7 . 5k H z) This frequenc y is most suitab le for general detecting for most ground conditions. These coils hav e a black serial number labe l star ting with the let ter M. Low (3kHz) This fre ...
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Minelab 4901 - 0059 - page 28
50 51 When not using headphones, keep the rubber cover closed to pr otect the control box electronics from moisture and dust. A CC ESSORIES Skid Plate A skid plate comes as standard with the detec tor . If it wears out from excessiv e sweeping along the ground, acce ssor y skidplates are available for purchase. En vironmen tal C ov er Protect s the ...
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Minelab 4901 - 0059 - page 29
52 53 X - TERRA 70 SPECIFICA TIONS Tr a n s m i s s i o n Singl e Freque nc y Sin e Wave Te c h n o l o g y VFLEX Coi l 9” Concentr ic 7 . 5 kHz Visu al Displ ay Positive Ref lec tive LCD Audio Internal Speak er and Headphone Output Search Mode Motion Detector Discrimi nation Multi-Segment Ac cept/ Reject/ Iron Mask Batteries (Not Incl uded) 4 x ...
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Minelab 4901 - 0059 - page 30
54 55 US ER PR EFERENC ES USER NOTES ...
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Minelab 4901 - 0059 - page 31
To d a y ’s D a t e Detec tor / Mode l Serial Number Purc hase d From Purc hase D ate Fa u l t y P a r t ( s ) Owner’ s Name Addr ess T e lephone ( ) Day Home F a x ( ) Email SERV IC E REP AIR FORM DESCRIPTION OF F A UL T cu t out or phot ocop y ...
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