JRC JMA-9932-SA - Page 163

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The maximum
range
of the PM
pattem
on display
indicates a
deterioration
of the
sensitivity of the
receiver
system.
Checkinq
Procedure
@
Measure
the
PM
pattern
displayed on the display
using
the VRM of the maximum
range
'max'
from the PPI sensor.
@
Obtain the degree
of sensitivity
deterioration R
(rmax)
conesponding
to
'rmax'
using the
calibration curve
ll
and
indicate
the degree of
sensitivity
deterioration of
the current
receiver
system.
x
tE
E
L
t
E
0
(E
o
o
o
tt
=
.:
.=
tn
c
o
U'
16
L4
LZ
t0
8
6
4
.)
0
PERF.
MONITOR
INFORMATION
I,{BEL
DATE
BARLENGTTI
'95
Vn
8/rt
012
13
14 ls 16 17
1S
(NM)
Maximum
range of RM
pattern
(rmax)
Figure
3
3-93