Sensitivity
Adjustment
:
(
1
)
The
sensitivity
shall
be
adjusted
when
performance
instability
is observed
or
sound
is
produced
when
detecting
human
body
without
any
metal
stuff
because
the
detection
distance
is
less
than
the
stipulated
requirement
or
the
sensitivity
is
too
high
.
(
2
)
Rot
at
e
the
Sensitivity
Adjuster
clockwise
,
until
there
is
no
sound
from
the
Buzzer
,
then
counter
-
clockwise
barely
t
o
the
position
where
a
sound
is
produced
,
then
rotate
for
another
half
a
circle
c lockwise
,
until
the sens
itivity
meets
the
requirement
.
Detection
Distance
:
The
sensitivity
of
the
detector
is
determined
primarily
by
the
size
,
shape
and
composition
of
the
object
to
be
detected
.
Typical
performance
figures
are
given
below
:
Object
Sensitivity
Pin
30
-
60mm
One
coin
75
-
100mm
6
inch
knife
64model
hand
gun
160
-
180mm
180
-
195mm
Specification
:
Power
:
9V
(6F
22
)
standard
or
rechar
geable
battery
(*
Optional
)
Frequency
:
25KHz
Voltage
:
9V
(
6F22
)
Weight
:
4
00
G
(
without
batt
er
y)
Size
:
4
1(L) ×
8
(
W
)
×4
.
2
(
H
)
cm
Operating
Temperature
: -
15
℃
to
+
55
℃
Note
:
(
1
)
Be
sure
to
switch
off
the
power
after
use
.
If
you
are
not
going
to
use
it
for
a
while
,
take
the
battery
out.
(
2
)
When
use
rechargeable
battery
,
duration
of
charging
is
5
~
6
hours
.
(
3
)
Voltage
of
Charger
:
9
~
12V
(
DC
). (*
Charger
is
Optional
)
(
4
)
Keep
the
metal
detector
dry
and
clean
.
Wipe
off
the
detector
with
a
wet
cloth
,
don
’
t
use
the
chemical
detergent
.
SUPER
HAND
HELD
METAL
DETE
CTOR
OPERATION
MANUAL
