JRC JMA-1030 Series - Page 17

A
m
inte
r
turn
Alw
a
Use
not
exa
m
If s
e
rece
At t
h
ship
The
r
Wh
e
lev
e
ran
g
oth
e
Wh
e
mo
s
Use
The
him
/
Ma
k
cau
s
Use
The
him
/
Ma
k
fun
c
The
nu
m
not
d
Mak
i
cau
s
Wh
e
an
A
dis
p
For
targ
trac
car
g
m
alfunction
r
rupted du
r
ed on agai
n
a
ys use th
e
the manu
a
provide t
h
m
ple.
e
nsitivity i
s
ive
r
and fa
l
h
e same ti
m
s and dan
g
r
efore, sen
s
e
n using th
e
e
l too high
c
g
e. Detecti
o
er
ships or
d
e
n using th
s
t appropri
a
the radar
o
final nav
/
herself.
k
ing the fin
a
s
e acciden
t
the target
t
final nav
i
/
herself.
k
ing the fi
n
c
tion (TT) i
n
target tr
a
m
erical dat
a
d
etected b
y
i
ng the fin
a
s
e acciden
t
e
n a large
v
A
IS target i
s
p
lay.
example,
w
et which i
s
ked target
g
o vessel
m
may occ
u
r
ing operat
i
n
.
e
automati
c
a
l tuning
m
h
e best tu
n
s
set too
h
l
se echoes
m
e, if sens
g
erous obj
e
s
itivit
y
mu
s
e
sea clutt
e
c
anceling
o
o
n of not
o
d
angerous
e sea clutt
e
a
te image
n
o
nl
y
as a n
a
igation de
c
a
l navigati
o
t
s such as
t
racking fu
i
gation de
c
n
al naviga
t
n
formation
a
cking fu
n
a
, and alar
m
y
the radar
a
l navigati
o
t
s such as
v
alue is set
s
identified
w
hen a pil
o
s
not a tra
c
without th
e
m
ay disapp
e
ur
if the
p
i
on of the
r
c
tuning m
o
m
ode only
w
n
ing state
d
h
igh, unne
c
increase t
o
itivity is s
e
e
cts may b
e
s
t always b
e
er
suppres
s
o
ut all ima
g
o
nl
y
echoe
s
objects wi
er
suppres
s
n
oise supp
r
a
vigation a
i
c
ision mu
s
o
n decisio
n
collisions
nction (TT)
c
ision mu
s
t
ion decisi
o
may cause
n
ction (TT)
m
s may co
n
cannot be
o
n decisio
n
collisions
as an ass
o
as the AIS
o
t vessel e
q
c
ked targe
t
e
AIS func
e
ar.
p
owe
r
in
t
r
adar. In thi
o
de.
w
hen the
a
d
ue to de
t
c
essary si
g
o
lower tar
g
e
t too low,
d
e
hindered.
e
set to an
o
s
ion functi
o
g
e noises f
r
s
from wa
v
l
l become i
s
ion functi
o
r
ession lev
e
i
d.
s
t always
n
based on
or running
only as a
n
s
t always
o
n based
o
accidents.
informati
o
n
tain some
acquired o
r
n
based on
or running
o
ciation co
n
target and
q
uipped w
i
t
) goes ne
a
tion, the t
r
t
he ship i
s
s case, th
e
a
utomatic t
t
erioration
g
nals such
g
et visibilit
y
d
etection
o
o
ptimal lev
o
n, never s
e
r
om the se
a
v
es but als
o
nhibited.
o
n, make s
e
l.
be made
ly on the
r
aground.
n
avigation
a
be made
o
nl
y
on t
h
o
n such
a
errors.
A
ls
r
tracked.
ly on the
r
aground.
n
dition, a t
r
may thus
d
i
th the AIS
ar
a cargo
v
r
acked targ
s
instanta
n
e
power sh
o
uning mod
of magnet
r
as noises
y
.
o
f targets
s
el.
e
t the supp
r
a
surface
a
o
targets
s
ure to cho
o
by the o
r
ada
r
displ
a
a
id.
by the o
p
h
e target t
r
a
s vector,
o, targets
t
r
ada
r
displ
a
r
acked tar
g
d
isappea
r
f
r
function (
a
v
essel whi
et symbol
PRECAU
T
x
n
eously
o
uld be
e does
r
on for
in the
s
uch as
r
ession
a
t close
s
uch as
o
se the
p
erato
r
a
y may
p
erator
r
acking
target
t
hat are
a
y may
et near
r
om the
a
small
ch is a
for the
T
IONS
xv