JRC JMA-9922-9XA - Page 274

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Main
Bang
Suppression
Adjustment'
'
The adjustment
is
intended
for suppressing
the
main bang
that is an echo
signal
from
the
microwave
circuit
such as waveguide appearing
as
a
circular
echo
at the
radar
video
center.
lt is
the optimum
level in which the main bang suppression
is
adjusted
so that
the
main
bang
remains
weak
on the
video.
1
Set the
radar
range scale
to
the minimum
0.125
NM, set
PROCESS,
TGT
ENH
and FUNCTION to OFF, and
set the
system
to the
Transmit
mode.
2
Adjust
the
operation
controls
as
follows:
IGAIN]
control: Maximum
ISEAI
control:
Center
(MANUAL)
lRAlNl
control:
Minimum
(MANUAL)
3 Click IMENUI on
the
screen.
or
press
pFTtotrtl
rey.
The
MAIN Menu will appear.
Click
CODE INPUT
The CODE
INPUT
Menu
will appear.
5
crick
I
o-l
,
then
ENTEE.
TheADJUST
Menu
will appear.
Click
IMBSI
.
The
MBS
Menu will appear.
Glick
the
'1.MBS
LEVEL" edit
box.
ffiBSTEGI
will be selected.
846
a
Do not
change
the
adjusted
level carelessly.
lf
the
adjustment
is improper, the
target signals
on the
short
ranges
may be cleared.
ADJUST
MBS
z.MBS
AREA
0-255
o.
EXTT