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Fisher F44, Руководство пользователя

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10

5. EMI (Electromagnetic Interference)

The searchcoil produces a magnetic field and then detects changes in that

magnetic field caused by the presence of metal objects. This magnetic field

the  detector  creates  is  also  susceptible  to  the  electromagnetic  energy

produced by other electronic devices. Electric fences, cell phones, cell phone

towers,  power  lines,  microwave  ovens,  lighting  fixtures,  TVs,  computers,

motors, etc., all produce EMI which can interfere with the detector and cause

it to beep erratically.  

The SENSITIVITY control lets you reduce the strength of this magnetic field

and therefore lessen its susceptibility to EMI. You may want to operate at

maximum strength, but the presence of EMI may make this impossible. If you

experience erratic behavior or “false” signals, 

reduce the sensitivity.

THE BASICS OF METAL DETECTING 

(Continued)

Sweep Method

Sweep  the  detector  side-to-side  over

the ground.
Keep  the  searchcoil  parallel  to  the

ground  as  you  sweep;  do  not  lift  the

searchcoil at the ends of your sweeps.
Searchcoil motion is required for target

detection.

USING THE DETECTOR

This  detector  is  equipped  with  an  11”  triangulated  elliptical  concentric

waterproof  searchcoil.    This  lightweight,  ruggedly  constructed  searchcoil

can be fully submerged into water. The bottom portion of the pole assembly

can also be submerged, but the control housing and the searchcoil cable

plug  connection  into  the  housing  must  not  be  submerged.    The

weatherproofing  on  the  F44  was  designed  to  allow  hunting  in  inclement

weather but it was not designed to withstand submersion in water.
Accessory searchcoils are also available for purchase; see back cover or

visit www.fisherlab.com. A smaller searchcoil offers more precision and fits

into tight spaces. Larger searchcoils provide for more ground coverage on

each  sweep  and  penetrate  deeper  into  the  ground.  Biaxial  searchcoils

provide better penetration in mineralized soils.

11” WATERPROOF SEARCHCOIL

WRONG

RIGHT

WRONG

RIGHT

Содержание F44

Страница 1: ...OWNER S MANUAL Uses two AA ALKALINE batteries only Do not use Heavy Duty batteries Do not use ordinary Zinc Carbon batteries Not for Underwater Use DO NOT SUBMERGE ...

Страница 2: ...arch Labs The F44 operates at a frequency of 7 69 kHz and comes with a 11 triangulated concentric elliptical searchcoil The F44 shares searchcoil compatibility with the F11 and F22 Terminology 3 Contents of Box 4 Assembly 5 6 Batteries use alkaline batteries 7 Quick Start Demonstration 8 The Basics of Metal Detecting 9 10 Using the Detector 10 Searchcoil 10 Operation and Controls 11 The Display 12...

Страница 3: ...s and when the detector eliminates certain metals we refer to this as the detector discriminating among different types of metals Discrimination is an important feature of professional metal detectors Discrimination allows the user to ignore trash and otherwise undesirable objects PINPOINTING Pinpointing is the process of finding the exact location of a buried object Long buried metals can appear ...

Страница 4: ...Triangulated Concentric Elliptical Searchcoil 4 Middle Stem 5 Lower Stem with Bolt Knurled Knob attachment and washers 6 S Rod 2 Armrest Assembly with Screw and Lock Nut Headphone Jack Cover O Ring One installed on coil connector and a replacement O Ring included in manual bag 1 Control Housing with 2 screws ...

Страница 5: ...ol housing Handgrip Searchcoil Cable Cable Plug O Ring S Rod Middle Stem Velcro Strap Velcro Strap Locking Collar Locking Collar Headphone Jack Knurled Knob Coil Washer Battery Compartment back side Armrest Triangulated Concentric Elliptical Waterproof Searchcoil Place Headphone Jack Cover in recessed pocket so it is level with the surface of the housing and held in place between the housing and S...

Страница 6: ... 11 Adjust the LOWER STEM to a length that lets you maintain a comfortable upright posture with your arm relaxed at your side and the SEARCHCOIL parallel to the ground in front of you 12 Wind the CABLE securely around the STEMS leaving slack at the bottom 13 Connect CABLE PLUG to housing Do not twist the Cable or Plug Turn Locking Ring only Use minimal finger pressure to start the threads Do not c...

Страница 7: ...ntacts facing towards the display and the hinged side of the handle towards the back BATTERY LIFE Expect 25 to 30 hours of life from 2 AA Alkaline batteries Rechargeable batteries provide about 15 hours of usage per charge Backlight increases power consumption and decreases battery life with significant power drain at maximum brightness BATTERY INDICATOR The battery icon has three segments plus an...

Страница 8: ...high tone Quarter high tone b Press button twice to Jewelry Mode Notice Fe graphic is now removed c Wave nail over searchcoil It will not be detected because it has been discriminated out IV Demonstrate NOTCH Feature a Press until NOTCH is illuminated b Press until Icon 3 is flashing then wait until icon stops flashing approximately 5 seconds The icon will be blanked out c Pass nickel over the sea...

Страница 9: ... this detector will not eliminate is any soil containing large concentrations of iron oxides which are usually red in color 2 Trash If searching for coins you want to ignore items like aluminum foil and nails You can see the Target ID of the buried objects listen to the sounds and then decide what you want to dig up Or you can eliminate unwanted metals from detection by using the different Modes o...

Страница 10: ...o side over the ground Keep the searchcoil parallel to the ground as you sweep do not lift the searchcoil at the ends of your sweeps Searchcoil motion is required for target detection USING THE DETECTOR This detector is equipped with an 11 triangulated elliptical concentric waterproof searchcoil This lightweight ruggedly constructed searchcoil can be fully submerged into water The bottom portion o...

Страница 11: ...Y COIN ARTIFACT CUSTOM A M Press MENU to cycle through menu items VOLUME SENS NOTCH GROUND BACKLIGHT Press or to INCREASE or DECREASE menu settings Press and hold PP to enter Pinpoint POWER ON OFF At Power up the Menu default is VOLUME Press and Hold GROUND GRAB to perform automatic ground cancelation ...

Страница 12: ...e all 6 segments illuminated could indicate a coin buried 10 deep but could also be a very large object several feet deep Use the Depth Indicator in conjunction with the Target Category Icons and the aid of Pinpoint to gain more information about the buried target OVERLOAD WARNING If a metal object or highly magnetic soil are too close to the searchcoil the detector will overload and a will appear...

Страница 13: ...ample at volume setting 15 nonferrous target volume is maximum ferrous target volume is at 5 or half volume Volume settings will be saved when the detector is turned off SENS Adjust the sensitivity from 1 to 20 The default setting is 12 The higher the number the more sensitive the detector If the detector beeps erratically or beeps when there are no metal objects being detected reduce the sensitiv...

Страница 14: ...tor s internal ground setting which you will usually want to set at the same value as soil s Ground Phase value See the Ground Cancelation section of the manual for an explanation of Ground Phase When adjusting the Ground setting manually only a two digit ground phase number will be present Note that when adjusting the Ground setting the displayed setting changes by 1 number only after 10 keypad p...

Страница 15: ...TCH Fe Iron category notched out COIN Mode preset NOTCH Fe Iron and Target Category groups 2 Foil and 4 Aluminum notched out ARTIFACT Mode All Target Categories enabled CUSTOM Mode User definable FACTORY RESET To reset your F44 to the default factory settings 1 Turn the detector off 2 Hold the MENU button down while pressing the Power button NOTE This reset will erase any custom tone settings you ...

Страница 16: ...tector is retuning to the incoming signal level 1 To narrow the response further position the center of the searchcoil near the center of the response pattern but not directly over the center 2 Release 3 Immediately press and hold again 4 Repeat this narrowing procedure to narrow the field of detection further Note Depth indication is less accurate after narrowing COIL DRIFT If you plan to use PIN...

Страница 17: ... the detector is confident of the target identification If target ID confidence is low the detector will assign several possible categories with the most likely target category solid black and less likely target categories shaded gray Iron Gold and Silver Indicators The group border momentarily flashes when an object in that group is present The border flashes independently of the notch settings R...

Страница 18: ... MODE PROGRAMMABLE TONES To program your Custom mode tones 1 Press button until CUSTOM is activated 2 Press and hold for approximately 1 second The Fe icon will start flashing 3 Press button to cycle through target categories 4 To select a tone for the desired category press or to cycle through 5 tone options 0 VCO 1 bass 2 low 3 medium 4 high 5 To exit the tone selection mode press 6 To continue ...

Страница 19: ...ized objects as defined in the category groups but it too can be inaccurate if multiple targets of varying depth and conductivities are in close proximity of each other GOLD TARGETS Gold objects will generally register in the GOLD group with smaller items in groups 2 3 and larger items in groups 4 5 Gold flakes will register under iron SILVER TARGETS Silver objects will register in the Silver grou...

Страница 20: ... When used in areas outside the U S these categories identify coins or metal objects of high relative conductivity such as silver coins or relics or large objects made of any type of metal Caution The target indications are visual references Many other types of metal can fall under any one of these categories While the detector will eliminate or indicate the presence of most common trash items it ...

Страница 21: ...lation This control allows you to set the detector s internal ground setting equal to the Phase of the ground you are searching over Press and hold to invoke automatic ground cancelation This will grab the ground value and store it in the detector In order to calibrate the detector to the most accurate ground value pump the searchcoil up and down over the ground while standing in one place over a ...

Страница 22: ...correct there will be a difference in the sound as the searchcoil is either moving toward or away from the ground It sounds like you are either pulling the sound out of the ground or pushing the sound into the ground If the sound gets louder as you raise the searchcoil increase the Ground setting If the sound gets louder as you lower the searchcoil reduce the Ground setting Repeat this process of ...

Страница 23: ...1 6 1 000 4 000 3 Bars Medium 0 1 0 4 250 1 000 2 Bars Low 0 025 0 1 60 250 1 Bars Very Low 0 006 025 15 60 None less than 006 less than 15 Magnetic susceptibility is expressed in micro cgs units In a salt water environment in the absence of iron minerals the bar graph indicates relative electrical conductivity In soils with greater than 4 000 micro cgs units magnetic susceptibility the signal fro...

Страница 24: ...detector s Target ID system calculates and displays the most probably identification Target ID is affected by soil conditions the searchcoil s distance from the target the length of time the target has been buried and the target s proximity to other dissimilar targets Very large metal objects can overload the detector and may be classified inaccurately 5 REDUCE SENSITIVITY The primary purpose of t...

Страница 25: ...25 NOTES ...

Страница 26: ...that the minimum ESD performance criteria is 1 the unit shall not be permanently damaged and 2 operator intervention is allowed This product is RoHS compliant This product meets the requirements of Industry Canada CAN ICES 3 B NMB 3 B 26 TROUBLESHOOTING GUIDE SYMPTOM CAUSE SOLUTION Detector chatters Using detector Use detector beeps erratically indoors outdoors only or has low Using detector near ...

Страница 27: ...NOTICE TO CUSTOMERS OUTSIDE THE U S A This warranty may vary in other countries check with your distributor for details Warranty does not cover shipping costs to and from the U S A According to FCC part 15 21 changes or modifications made to this device not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This device complies with...

Страница 28: ...steel The ultimate digging tool Comes with a durable sheath 12 in length with a 7 serrated blade LESCHE KNIFE Fisher Baseball Cap One size fits all FCAP Fisher T Shirt 100 cotton with Fisher Logo Sizes S M LG XL XXL FTSHIRT Replacement Accessory Search Coils 7 Round Elliptical Accessory Coil 7COIL RE F 9 Triangulated Concentric Elliptical Accessory Coil 9COIL EE 11 Triangulated Concentric Elliptic...

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