7 2 0 0 TRO UBLESH O O TIN G
G - 1 0
9.2 "
L
ow T
r
ack
i
ng S
i
gn
a
l
Le
v
e
l
" E
rr
o
r
D
i
sp
l
a
y
e
d
If a " Lo w track
i
ng s
i
gna
l
l
eve
l
" error
i
s d
i
sp
l
ayed:
1. V er
i
fy that the target and po
l
ar
i
zat
i
on are correct.
2. Check the track
i
ng rece
i
ver:
a. V er
i
fy that the beacon frequency
i
s correct.
b. If the A C U s w
i
tches, check to see
i
f the track
i
ng rece
i
ver
i
s
i
n REM O TE.
c. Check the RF to the rece
i
ver, espec
i
a
ll
y LN A s w
i
tches.
9.3 "Ex
ce
ss
i
v
e
T
r
ack
i
ng S
i
gn
a
l
No
i
s
e
" E
rr
o
r
D
i
sp
l
a
y
e
d
Th
i
s
i
s a not
i
f
i
cat
i
on, N O T a fau
l
t. If no other fau
l
ts are occurr
i
ng, the system
i
s
st
ill
funct
i
on
i
ng nom
i
na
ll
y.
9.4
La
r
g
e
S
i
gn
a
l
F
l
u
c
tu
a
t
i
on Du
ri
ng AST Op
e
r
a
t
i
ons
If a
l
arge s
i
gna
l
f
l
uctuat
i
on occurs dur
i
ng A ST operat
i
ons, check the
l
o w speed
potent
i
ometer at the dr
i
ve cab
i
net, and ver
i
fy that the antenna
i
s not overshoot
i
ng.
9.5
P
oo
r
T
r
ack
i
ng
P
e
r
fo
r
m
a
n
ce
If the system
i
s not adequate
l
y track
i
ng:
1. Check sett
i
ngs of track
i
ng parameters. Refer to the tab
l
e
i
n paragraph 5.8 of
th
i
s manua
l
that
li
sts the parameters for the track
i
ng mode of the target.
2. V er
i
fy that the steptrack step s
i
ze
i
s greater than the pos
i
t
i
on
l
oop deadband. If
the step s
i
ze
i
s equa
l
to or
l
ess than the pos
i
t
i
on
l
oop deadband, the steptrack
funct
i
on w
ill
not operate correct
l
y.
3. V er
i
fy that the s
i
gna
l
l
eve
l
i
nto the beacon rece
i
ver
i
s w
i
th
i
n acceptab
l
e
li
m
i
ts.
(The max
i
mum RF
l
eve
l
s for the V ertex TRC-1 4 and TRK-1 4 rece
i
vers are -6 0
dBm).
4. Check the ca
li
brat
i
on of the beacon s
i
gna
l
. The 0 dBm
l
eve
l
shou
l
d be set at
approx
i
mate
l
y 7.5 V to 8.5 V . A
l
so note that ca
li
brat
i
on must be performed
separate
l
y for each A /D
i
n use.
5. Check for proper mechan
i
ca
l
/e
l
ectr
i
ca
l
connect
i
ons of reso
l
vers.
6. Check reso
l
ver a
li
gnment. (If the be
ll
o w s coup
li
ng bet w een reso
l
ver and p
i
ckoff
shaft appears v
i
s
i
b
l
y bent, the reso
l
ver
i
s out of a
li
gnment.)
Содержание VertexRSI 7200
Страница 15: ...INTRODUCTION 1 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 21: ...O VERVIEW 2 6 Figure 2 3 7200 A CU Functional Block Diagram...
Страница 22: ...O VERVIEW 2 7 Figure 2 4 7200 Antenna Control Unit Top View Figure 2 5 7200 Antenna Control Unit Side View...
Страница 41: ...O VERVIEW 2 26 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 46: ...THEORY 3 5...
Страница 138: ...7200 OPERA TION 5 70 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 154: ...7200 M AINTENANCE 7 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 156: ...7200 DRA WINGS 8 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 160: ...A CRONYMS ABBREVIATIONS A 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 164: ...7200 PASSW ORD PROTECTION B 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 202: ...Appendix C 7200 Remote Monitor and Control Protocol CG 6042 Rev F June 2000 C 38 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 258: ...7200 TROUBLESHOOTING G 12 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 259: ...VENDOR DA T A H 1 APPENDIX H VENDOR DATA This appendix contains the Sumitomo NTAC 2000 O M manual for the inverters...
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Страница 262: ...7200 MENU TREE I 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 264: ...Technical Support J 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 266: ...Technical Support J 4 THIS PAGE INTENTIONALLY LEFT BLANK...