background image

Comprehensive Operating Manual & Guide to Metal Detecting

Comprehensive Operating Manual & Guide to Metal Detecting

46

3

F75

LIMITED

F75

LIMITED

Table Of Contents

Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Quick-Start   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Mechanicals

Assembly Instructions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7

Mechanicals  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Arm Rest adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Using Headphones (not included) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Introduction to the F75

General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Controls  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12
Menu System  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Ground Balancing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-16
Motion All Metal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Static All Metal Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Discrimination Mode  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19-23
PinPoint Feature  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
LCD Visual Display  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25-27

Numeric Target Identification  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Probable Target Identification  . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Depth Indicators  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Confidence Indicator  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Fe

3

O

4

Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Battery Indicator  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
G.B.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..27
Messages   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 

Frequency Shifting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Capabilities & Limitations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29-31

Tips & Techniques

Search Techniques

How to sweep the searchcoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Boost and Cache Locating Processes  . . . . . . . . . . . . . . . . . . .32-33
Pinpointing targets  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33-34
Estimating target size and depth  . . . . . . . . . . . . . . . . . . . . . . .34-35
False signals and chatter  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Adjusting Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Tips on ground balancing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Detecting Activities

Coinshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Relic Hunting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40-41
Gold Prospecting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41-42
Cache Hunting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Shallow Water Hunting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43-44
Saltwater Hunting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

How metal detectors work  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Treasure Hunter’s Codd of Ethics . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Warranty  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Treasure Hunter’s Code of Ethics:

• Always check Federal, State, County and local laws before searching

• Respect private property and do not enter private property without the owner’s permission.

• Take care to refill all holes and leave no damage.

• Remove and dispose of any and all trash and litter found.

• Appreciate and protect our inheritance of natural resources, wildlife and private property.

• Act as an ambassador for the hobby, use thoughtfulness, consideration and courtesy at all

times.

• Never destroy historical or archaeological treasures.

• All treasure hunters may be judged by the example you set; always conduct yourself with

courtesy and consideration of others

F75ltdBLK-MANUAL.qx6  12/22/11  4:15 PM  Page 3

 

 

 

          

 

 

 

Summary of Contents for F75 SPECIAL EDITION

Page 1: ...al Sand Scoop Large galvanized metal scoop with filtering holes Strong Rubberized grip SAND SCOOP Lesche Knife Made from high quality heat treated tempered steel The ultimate digging tool Comes with a...

Page 2: ...neglect accidental damage or misuse of this product is not covered under this warranty Decisions regarding abuse or misuse of the detector are made solely at the discretion of the manufacturer Proof o...

Page 3: ...ng targets 33 34 Estimating target size and depth 34 35 False signals and chatter 35 Adjusting Sensitivity 37 Tips on ground balancing 38 Detecting Activities Coinshooting 39 Relic Hunting 40 41 Gold...

Page 4: ...oop contains two electrical induction coils which are like antennas One coil transmits a rapidly alternating magnetic field illuminating the region surrounding the searchcoil If metal is present its e...

Page 5: ...cation of targets making them easier to unearth When the trigger is pulled PinPoint is engaged The searchcoil need not be in motion to detect an object The 2 digit numeric display indicates approximat...

Page 6: ...the circumstances surrounding the hiding of the cache you may find discrepancies which help you to judge the reliability of the information available Often the best information on an old cache is to...

Page 7: ...the searchcoil slowly and deliberately carefully controlling its height above the ground to minimize noise from iron minerals in the soil If you hear ground noise your Ground Setting could be a bit o...

Page 8: ...is a historical society and museum of local history Most museums are grateful for anything they can put on display and when you dig something you cannot identify the curator can often identify it for...

Page 9: ...nued Relic Hunting Relic hunting is searching for historical artifacts The most common desired objects are battlefield debris coins jewelry harness hardware metal buttons trade tokens metal toys house...

Page 10: ...ings to the factory preset follow this process 1 Turn detector off 2 Press and hold the red MENU button and push forward and hold the TOGGLE SWITCH 3 Turn the detector on while you are still holding t...

Page 11: ...ed to ground balance so find another promising spot and try again If you cannot find a spot to successfully ground balance it is time to give up Reset the ground setting to 90 and then use the machine...

Page 12: ...is pushed forward FASTGRAB automatic ground balancing is activated The internal computer measures the magnetic properties of the soil in order to cancel interference from naturally occurring minerals...

Page 13: ...ll sometimes not be completely eliminated even when the discrimination setting should have eliminated the target Metal detectors are designed to see one metal object at a time Where there are two iron...

Page 14: ...fficulty properly identifying steel bottle caps and the F75 is no exception Steel bottle caps will often read in the coin range at the high end of the scale The ID number you receive from a buried coi...

Page 15: ...rget and the sound will indicate the target s location As you sweep from side to side and hear no sound at the ends of the sweep the target is located in the middle of that zone where the sound is lou...

Page 16: ...get can be very short especially in a trashy area The Boost process lengthens the duration of the target s sound Many users will find this audio feedback less fatiguing the Boost process makes it easi...

Page 17: ...CE Manual Ground Balance can only be performed while in an All Metal mode but the resultant setting will carry over if you change into Discrimination mode See the previous section on Ground Balancing...

Page 18: ...EEL BOTTLE CAPS FLAT IRON TRASH Modern motion type target ID metal detectors usually have difficulty consistently identifying steel bottle caps and other flat iron trash objects Double D searchcoils a...

Page 19: ...n any range the slash will appear even though all values within that range might not be eliminated from detection To recall the discrimination setting press the MENU button until you enter the DISC LE...

Page 20: ...s And Limitations DEPTH The F75 can detect U S coins to a depth of up to 15 16 inches 37 40cm under good conditions Large objects 55 gallon drums manhole covers etc can be detected to a depth of up to...

Page 21: ...refer this selection 3H same as 3 except that nickels produce a high tone 3 THREE DIFFERENT AUDIO TONES Iron produces a low pitch tone Aluminum trash zinc pennies and nickels produce a medium tone Hig...

Page 22: ...ll Metal Mode are also modified these characteristics include less noise and a slower response speed LCD Visual Display continued BATTERY CONDITION INDICATOR Fresh alkaline batteries will illuminate a...

Page 23: ...tate pinpointing an object the 2 digit numerical display indicates the approximate depth of the object in inches based on the assumption that the object is a typical U S coin Small objects will read d...

Page 24: ...ried target has been located using the All Metal or Discrimination modes you want to pinpoint the exact location of the target in order to facilitate its recovery Accurate target pinpointing will mini...

Reviews: