Operation
Model
8642A/B
Operating
Messages
(cont'd)
Table
3-29.
Out-of-Lock
Messages
Message
Message
Solution
Comments
Code
Number
A19
OUT
OF
LOCK ERROR
.00
3000
1,
2
Doubler ALC loop
is
out
of
lock.
A19
TRANSIENT FAILURE
.01
3001
1,2
Doubler ALC loop had been out
of
lock but
now appears to be in lock.
A6A2
OUT
OF
LOCK ERROR
.FO
5000 3
Internal hardware cannot phase lock
to
the ex-
ternal reference.
A6A2 TRANSIENT FAILURE
.Fl
5001 3
Internal hardware had not been able
to
phase
lock
to
the external reference but
now
ap-
pears to be
in
lock.
A6Al
OUT OF LOCK ERROR
.F2
5002
2,
3
FM
phase lock loop cannot track and lock to
the time base.
A6Al
TRANSIENT FAILURE
F3
5003
2,
3
FM
phase lock loop had
not
been able
to
track and lock
to
the time base but
now
ap-
pears to be able
to
track
and lock
to
the time
base.
A13 OUT OF LOCK ERROR
.00
14000
1,
2
Output Section ALC loop is out
of
lock.
A13
TRANSIENT FAILURE
.01
14001
1,
2
Output Section ALC loop had been
out
of
lock
but
now
appears
to
be
in
lock.
All
OUT OF LOCK ERROR
.RO
17000
2,3
Reference phase lock loop
is
out
of
lock.
All
TRANSIENT FAILURE
.Rl
17001
2,3
Reference phase lock loop had been out
of
lock but
now
appears
to
be
in
lock.
A12 OUT
OF
LOCK ERROR
.SO
18000
2,3
Sum loop is
out
of
lock.
A12
TRANSIENT FAILURE
.Sl
18001
2,3
Sum loop had been out
of
lock but
now
ap-
pears
to
be
in
lock.
A9
OUT
OF
LOCK ERROR
.TO
19000
3
IF
phase lock loop is
out
of lock.
A9
TRANSIENT FAILURE
.Tl
19001 3
IF
phase lock loop had been out
of
lock
but
now appears
to
be in lock.
A14
OUT
OF
LOCK ERROR
.XO
23000
3 Heterodyne module SAW loop is
out
of
lock.
A14 TRANSIENT FAILURE
.Xl
23001
3 Heterodyne module SAW loop had been
out
of
lock but
now
appears
to
be
in
lock.
A? OUT
OF
LOCK ERROR
.ZO
25000
3 SAW loop is out
of
lock.
A? TRANSIENT FAILURE
.Zl
25001 3 SAW loop had been out of lock
but
now
ap-
pears to be
in
lock.
3-198
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