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Fisher Research Labs Metal Detector F2-11DD F2-1 F2-11DD Fiche De Données

Codes de produits
F2-11DD
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4
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w
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9
9
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F
F
2
2
.
.
The batteries have been
inserted backwards in the
compartment for storage
during transportation.
Please remove batteries,
turn them around, and
install correctly.
Use A
A
L
L
K
K
A
A
L
L
I
I
N
N
E
E
batteries
only.
D
D
O
O
 
 
N
N
O
O
T
T
 
 
M
M
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X
X
 
 
O
O
L
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A
A
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W
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B
B
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E
R
R
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S
S
.
.
To install the batteries:
l
                 
 
1
1
Remove the battery cover by
disengaging the clip at the back.
D
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n
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; 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.
l
     
 
3
3
Insert (2) 9-Volt A
A
L
L
K
K
A
A
L
L
I
I
N
N
E
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.
l
           
 
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.  I
I
f
f
 
 
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BATTERIES
1
1
3
3
USING HEADPHONES
Using headphones (not included) improves
battery life, and prevents the sounds from
annoying bystanders.
It also allows you to hear subtle changes in the
sound more clearly, particularly if searching in a
noisy location. For safety reasons, do not use
headphones near traffic or where other
dangers are present. This device is to be used
with interconnecting cables/headphone
cables shorter than three meters.
SEARCH TECHNIQUES
(in DISC mode)
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After detecting a target, do the
following:
1
1
.
.
Walk around the target in a
circle.
2
2
.
.
While circling the target,
continue sweeping the
searchcoil across the target.
3
3
.
.
Sweep once every 30° or 40° of
the circle.
If the tone does not change
and the target ID value is
consistent as you circle the
target, you can be highly
confident of the target’s
identification.
If the tone or target ID
changes as you circle the
target, you may have multiple
targets or an irregularly shaped
object.
If the tone completely
disappears at different angles,
the target may be trash or a
low-value metal.  
If you are new to the hobby, dig all targets. With practice in the
field, you will soon identify audible and visual target feedback with
certain types of metal objects.
P
P
i
i
n
n
p
p
o
o
i
i
n
n
t
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g
g
 
 
i
i
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(
(
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:
:
1
1
.
.
Sweep over target in narrowing side-to-side pattern
2
2
.
.
Take visual note of spot on ground where “beep” occurs.
3
3
.
.
Step 90° to the side of the target
4
4
.
.
Sweep coil over same area, at 90° to 1st sweep pattern.
5
5
.
.
This pinpoints the target location with an “X”
COIL MOVEMENT
When swinging the coil, be
careful to keep it level with
the ground about 1/2 inch
from the surface. Never swing
the coil like a pendulum.
WRONG
CORRECT
MF2B-manual-SPREADS.qx  3/8/13  3:44 PM  Page 4