Hobby F2 Operating Manual

OPERATING
MANUAL

Use ALKALINE

Batteries ONLY

2

2

TABLE OF CONTENTS

SSeettttiinngg UUp

p

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3

3

BBaatttteerriiees

s

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4

4

HHeeaaddpphhoonnee JJaacckk .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..4

4

QQuuiicckk--SSttaarrtt DDeemmo

o

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

55--6

6

CCoonnttrrooll PPaanneell .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..77--9

9

SSeennssiittiivviittyy .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..7

7

DDiissccrriimmiinnaattiioonn CCoonnttrrooll .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..8

8

PPiinnppooiinntt .. .. .. .. .. .. .. .. .. .. ..

.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..9

9

NNoottcchh .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..9

9

44--TToonnee AAuuddiioo SSyysstteemm .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..110

0

DDeepptthh aanndd TTaarrggeett DDiissppllaayy .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..1111--112

2

TTaarrggeett RReeaaddoouutt TTaabbllee .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..112

2

SSeennssiittiivviittyy AAddjjuussttmmeennt

t

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

113

3

EElleeccttrroommaaggnneettiicc I

I

nntteerrffeerreennccee .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..113

3

SSeevveerree GGrroouunndd CCoonnddiittiioonnss .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..113

3

SSeeaarrcchh TTeecchhnniiqquuees

s

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

114

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TTaarrggeett VVeerriiffiiccaattiioonn .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..114

4

PPiinnppooiinnttiinngg wwiitthh mmoottiioonn mmooddeess .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..114

4

TTaarrggeett PPiinnppooiinnttiinngg ((NNoo mmoottiioonn)

)

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115

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CCooiill DDrriifftt .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..110

0

TARGET PINPOINTING

After you have identified a target using a motion mode of detection,
press to identify the target’s exact location. This technique can
yield more information about the target’s shape and size and also find
its exact location to facilitate excavation.

UUssi

i

11.

.

22.

.

33.

.

3

3

SETTING UP

No tools required.

l

1

1

Insert the lower stem (plastic tube) into the
middle stem.

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2

2

Position the lower stem with the silver
button toward the back.
Using the bolt and knurled knob,
attach the search coil to the
lower stem.

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3

3

Press the button on
the middle stem,
and slide the
lower/middle stem
assembly into the
upper s-shaped
stem.

Adjust the stem to a length that lets you maintain a comfortable
upright posture, with your arm relaxed at your side, and the search
coil parallel to the ground in front of you.

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4

4

Wind the cable securely around the stems.

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5

5

Insert the plug into the matching connector on the right underside of
the detector body. Be sure that the key-way and pins line up correctly.

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6

6

After the stem length is adjusted to your height, tighten the two
locking collars to stabilize the stems.

Arm Rest Adjustment

If you wish to change the position
of the arm rest, remove the screw
and move the arm rest to one of
the alternate hole locations.

Caution: Do not force the plug in.

Excess force will cause
damage.

To disconnect the cable,
pull on the plug.

Do not pull on the cable.

Searchoil

Knurled Knob

Middle Stem

Locking
Collar

4

4

TTwwoo 99--VVoolltt bbaatttteerriiees

s

aarree ssuupppplliieedd wwiitth

h

tthhee FF22.

.

The batteries have
been inserted
backwards in the
compartment for
storage during
transportation.
Please remove
batteries, turn them
around, and install
correctly.

Use

AALLKKAALLIINNE

E

batteries only.

DDoo nnoott mmiixx oolldd aanndd nneew

w

bbaatttteerriieess.

.

To install the batteries:

l

1

1

Remove the battery cover by disengaging the clip at the back.
DDoo nnoott hhiinnggee ddoooorr uuppwwaarrd

d

; pull straight back

l

2

2

Align the polarity of the batteries correctly, with the positive "+"
toward the coil plug connection, as indicated by the + indicator
on the housing.

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3

3

Insert (2) 9-Volt

AALLKKAALLIINNE

E

batteries, with the contacts pointed inward,

and press down on the back of the batteries to snap them into place.
Some brands of batteries will require moderate force to clear the

retaining tabs.

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4

4

Replace the battery door.

Most metal detector problems are due to improperly installed
batteries, or the use of non-alkaline or discharged batteries.

IIff tthhe

e

ddeetteeccttoorr ddooeess nnoott ttuurrnn oonn,, pplleeaassee cchheecckk tthhee bbaatttteerriieess..

BATTERIES

ELECTROMAGNETIC INTERFERENCE

Use the Sensitivity Control is to eliminate
Electromagnetic Interference (EMI).
The F2 metal detector is an extremely sensitive
device; the search coil creates its own
magnetic field and acts like an antenna. If
your detector beeps erratically when the
search coil is motionless, the unit is probably
detecting another electromagnetic field.

Common sources of EMI are electric power lines, both suspended and buried,
motors, and household appliances like computers and microwave ovens.
Some indoor electronic devices, such as dimmer switches used on household
lighting, produce severe EMI and can cause the detector to beep erratically.
Other metal detectors also produce their own electromagnetic fields; so if
detecting with a friend, keep two metal detectors at least 20 feet apart.

If the detector beeps erratically,

SSeen

n

In most urban environments, you should be able to search without chatter from
interference at the default sensitivity setting (default setting is the sensitivity level
at power-up, 4 bars), or at one level reduced from default. At maximum
sensitivity, the F2 will “chatter” in proximity to underground or overhead power
lines, or to indoor or outdoor electrical devices. In fact, if you notice rapid
chatter with the searchcoil near the ground, you may be able to trace the
approximate location of the underground power lines by following the chatter.

To manage chatter, which is most likely from electrical interference:

SEVERE GROUND CONDITIONS

A secondary use for the Sensitivity Control is to reduce false detection signals
caused by severe ground conditions. While the detector contains circuitry to
eliminate the signals caused by most naturally occurring ground minerals, 100%
of all ground conditions cannot be anticipated. Highly magnetic soils found in
mountainous and gold-prospecting locations can cause the detector to emit
tones when metal objects are not present. High saline content soils and sands
can sometimes cause the detector to beep when no metal target is present.

If the detector emits false, non-repeatable, signals, REDUCE THE SENSITIVITY.

SENSITIVITY ADJUSTMENT

HEADPHONE JACK

Using headphones (not supplied)
with your metal detector makes it
easier to identify subtle changes in
the threshold levels for better
detection results, and also reduces
drain on the batteries. Any stereo
headphone with 1/4” jack will work.

QUICK-START DEMONSTRATION

II.. SSuupppplliieess NNeeeeddeed

d

• A Nail • A Quarter

• A Zinc Penny (dated after 1982) • A Nickel

IIII.. PPoossiittiioonn tthhee DDeetteeccttoor

r

a. Place the detector on a

table, with the search
coil hanging over the
edge. (or better, have a
friend hold the detector,
with the coil off the
ground).

b

. Keep the searchcoil

away from walls, floors,
and metal objects.

c. Remove watches, rings

and other jewelry or metal objects from hands and wrists.

d. Turn off appliances or lights that cause electromagnetic

interference.

e. Pivot the search coil back toward the detector body.

IIIIII.. PPoowweerr UUp

p

Press .

IIVV.. WWaavvee eeaacchh OObbjjeecctt oovveerr tthhee

SSeeaarrcchh CCooiil

l

a.Notice a different tone for

each object.

LLooww TToonnee:

:

Nail

LLooww MMiidd TToonnee:

:

Nickel

MMeeddiiuumm TToonnee:

:

Zinc Penny

HHiigghh TToonnee:

:

Quarter

b.Motion is required. Objects

must be in motion over the
search coil to be detected.

VV.. PPrreessss DDIISSCCRRIIMMIINNAATTIIOON

N

Twice

a. The first press illuminates

all target icons.

b. The second press turns

off the “IRON” icon.

Quick-Start Demo continued
on next page

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