Example Of Ebl Function - JRC JMA-1030 Series Instruction Manual

Marine radar equipment
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4.3 E
EXAMP
PLE OF
Exampl
e: EBL func
ction.
Menu bar d
disappears a
after about 1
How to c
hange the
e EBL
Flick o
on the scree
en, then the
with th
he fingertip.
***
ABOU
T EBL/VRM
M FUNCTIO
The targ
get position an
nd range infor
Bearing
g measuremen
nt method:
(1) The
RELATIVE B
EARING whic
(2) The
ABSOLUTE B
BEARING whi
Certainl
ly, ABSOLUTE
E BEARING is
So, to c
calculate the A
ABSOLUTE BE
In case
of no externa
l bearing sign
Target t
tracking functi
on (TT) and d
When G
GYRO or GPS
compass sign
This rad
dar scanner ha
as a microwav
So ever
ry target echo
has more tha
For abo
ove reason, in
case of read o
RANGE
E of target ech
o in any azim
Target e
echo size is pr
roportion to pu
In case
of MEASURE
E SHORT RAN
At that p
point, you can
get the corre
F EBL F
FUNCT
TION
Target be
10 seconds.
EBL line wi
ll move alon
Or
**
FO
OR REFE
N
mation can be
e measured by
ch is measured
d from own sh
ich is measure
ed from the no
s calculated by
y RELATIVE B
EARING is ne
cessary a sign
al, display onl
y RELATIVE
display AIS sym
mbol is neces
nal is received
d, normally azi
ve BEAM WID
DTH is about 5
n 5.2 degrees
s or 4 degrees
out the target
azimuth, you
uth can be me
easured by the
ulse length wh
hich transmitte
NGE ECHO us
sing VRM, you
ct RANGE for
r any pulse len
Chapter 4
earing is dis
splayed.
ng
T
Turn the rota
ary knob to c
m
movement o
f the EBL lin
**
**
ERENC
E
y EBL and VR
RM function.
hip heading lin
e.
orth line.
BEARING and
d GYRO BEAR
RING.
nal from GYRO
O or GPS com
mpasses.
BEARING mo
ode.
sary the GYR
O or GPS com
mpass signal.
muth is meas
ured from the
5.2 degrees (N
NKE-1066) or 4
4 degrees (NK
s width for bea
aring direction.
.
need set EBL
L line to the ce
enter of the tar
e VRM functio
on from own sh
hip.
ed from own s
hip.
u need set ring
g to the echo's
s nearest poin
ngth.
VRM AND
D EBL FUNC
CTION
control the
ne.
north (ABSOL
LUTE AZIMUT
TH).
KE2044).
rget echo.
nt from own sh
hip.
51

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