SMD-300 Selective Pulse Metal-Detector User Manual
STT Group - Special Technique & Equipment
Moscow
Russia
32
De
te
cte
d
ite
m
(
fig. 32)
of
an
in
tr
icat
e sh
ap
e r
ep
re
se
n
te
d
as tw
o or
t
re
e ‘
virt
u
al me
tallic pl
at
es’
Cro
ss
-cut
s
ize
of
‘v
irt
ua
l pla
te’
co
rr
esp
o
nd
s
to
t
he
size
o
f it
em’
s
nea
re
st
bo
rder
-D1
F
ig
. 3
2
a
O
cc
urre
nce
depth
fo
r
the
o
bje
ct
o
f a
co
mp
lex
s
ha
pe
co
rr
esp
o
nd
s t
o
t
he
depth
o
f it
s nea
re
st
bo
rder
-D1
(
see
also
f
ig
. 2
9
-31)