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3.2 S
SENSIT
TIVITY A
The gain le
evel is displa
ayed in
the bottom
m portion of t
the icon.
It is possib
ble to judge
the gain
level by th
e length of a
a green
bar roughl
y.
How to ch
hange the G
ain
Examples
s of the rada
r echo sens
Ra
adar echo s
ensitivity
Low
It is importa
ant to be not
te that if you
screen at th
he same tim
me.
GAIN s
set Exceed
If sensitivit
receiver an
time, if sen
dangerous
set to an op
ADJUS
STMEN
It is neces
ssary to set
an appropri
Failure to
o do so, it is
possible to o
level: Pl
ease refer to
o the gain a
sitivity as foll
lows.
Rada
r echo sens
Middle
adjust the g
gain level to
In the c
case of a fin
ne weather, g
values
usually. In t
the case of
or roug
gh seas, it is
s necessary
sea clu
utter suppres
ssion functio
functio
n. You need
d to choose
ty is set too
o high, unne
nd false ech
hoes increa
nsitivity is s
set too low,
objects ma
ay be hinde
ptimal leve
l.
C
hapter 3 A
NT
iate gain lev
vel in order t
obtain an ac
ccurate rada
djustment m
method desc
itivity
Radar e
echo sensitiv
maximum, t
the noise mi
gain level is
s set close to
a bad weath
her, such as
s heavy rain
to adjust no
t only the ga
on and rain/s
snow clutter
an appropri
ate level, re
espectively.
ecessary si
ignals such
ase to lower
r target visi
detection o
of targets s
such as ship
ered. Theref
fore, sensit
ADJUST TH
HE RADAR
ECHO
o use the ra
adar exactly.
.
ar echo.
cribed in Cha
apter 2.3.3.
vity
High
ight be also
displayed o
n the
o the maxim
um
or snow
ain level, but
t also the
r suppressio
on
h as noises
in the
bility. At th
he same
ps and
tivity must
always be
45
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