JRC JMA-1030 Series - 1.3 Scanner Unit Installation

Cha
p
12
p
ter 1 INS
T
1.3 I
N
1.3.1
 PHY
S




 ELE
C

1.3.2
Generally,
In the cas
e
Specificall
y
not interfer
e
T
ALLATIO
N
N
STA
L
SELEC
S
ICAL S
Install th
e
If the sc
a
deviatio
n
precauti
o
Please n
Please s
e
C
TRICA
L
The inst
a
The high
above th
e
As a res
u
Determi
n
length of
scanner
i
and chi
m
on the ra
LOWE
S
the lowest
s
e
of the JMA
y
, the scann
e
e
with radia
t
N
L
LATI
O
TING T
ELECTI
O
e
scanner a
t
a
nner canno
n
must be m
i
o
ns to prote
c
ote that not
e
cure main
t
L
SELE
C
a
llation heig
h
er, the bett
e
e
scanner's
u
lt, it is diffi
c
n
e the instal
l
the cable,
a
i
s low, it is
d
m
ney interfe
r
dar display
S
T SC
A
s
canner inst
a
-1030 serie
s
e
r position i
s
t
ing beam.
JMA
-
O
N OF
T
HE INS
T
O
N CRIT
t
the center
t be installe
i
nimized. A
n
c
t the scan
n
affected by
t
enance sp
a
C
TION C
R
h
t of the sc
a
e
r. However
,
vertical be
a
c
ult to detec
t
l
ation heigh
t
a
nd mainte
n
d
ifficult to d
e
r
e with radia
to increase.
A
NNER I
a
llation pos
i
s
radar, 2θ
e
s
normally
e
-
1030 : θ
=
T
HE S
C
T
ALLA
T
ERIA
of the mast
d at the ab
o
n
d, reinforc
e
n
er from vib
r
the smoke
f
a
ces (a platf
o
R
ITERIA
a
nner relate
s
,
if it is too
h
a
m width (th
e
t
a close-in
t
t
by taking i
n
n
ance after i
n
e
tect a long
d
ting beam
c
NSTAL
i
tion is supp
e
quals 25°.
e
levated so
t
=
12.5 °
Fig. 1-3
-
C
ANN
E
T
ION P
O
on the keel
o
ve position
e
the mount
r
ation and i
m
f
rom the ch
i
o
rm, a safe
t
s
to the ma
x
h
igh, radio
w
e
point -3 d
B
t
arget. Sea
c
n
to conside
r
n
stallation.
I
d
istance tar
g
c
ausing the
r
LATIO
N
osed to be
o
t
hat the chi
m
2θ=
-
2
E
R UN
I
O
SITIO
N
line.
for some re
base and t
h
m
pact at the
i
mney.
t
y link, a ha
n
x
imum dete
c
w
ave energy
B
from the
p
c
lutter also
i
r
ation the w
e
I
f the install
a
g
et. The shi
r
ange that c
N
HEIG
H
o
n the A-B l
m
ney and t
h
25 °
I
T
N
ason, the a
m
h
e platform
a
installation
n
drail, a ste
p
c
tion distan
c
greatly att
e
p
eak of the
m
i
ncreases.
e
ight, maxi
m
a
tion height
p's mast, d
e
c
annot be vi
e
H
T
ine shown i
n
h
e shrine-ga
t
m
ount of
a
nd take
position.
p
, etc.).
c
e.
e
nuates
m
ain-lobe).
m
um
of the
e
rrick,
e
wed
n
Fig. 1-3-2
.
t
e type mas
.
t do