Agilent Technologies HP 83711A - Page 98

Front/Rear
P
anel
Annunciators
SPCL This
annunciator indicates
that one
or
more
special
functions are
enabled.
LVL
CR
This
annunciator
indicates
that
the
synthesizer
output
is
currently being
leveled
using
stored
level
correction
data.
RMT This
annunciator indicates
that
the
instrument
is
in
the
HP-IB
remote
state
,
that
is
,
the
instrument
is
under
control
of
an
external
HP-IB
controller
.
LSN
This
annunciator
indicates
that
the
instrument
is
addressed
to
listen
(accept
data
or
commands).
TLK
This
annunciator
indicates
that
the
instrument
is
addressed
to
talk
(output
data).
SRQ This
annunciator
indicates
that
the
instrument
is
generating
a service
request to
the
external
controller
.
UNLOCK This
LED
annunciator
indicates
that
one
or
more
of
the
synthesizer
frequency
control
circuits
is
not
phase
locked.
UNL
VL
This
LED
annunciator
indicates
that
the
synthesizer
output
power
is
unleveled.
When
the
UNL
VL
annunciator
is
lit,
the
power
level
shown
in
the
display
might
be
incorrect.
MSG
This
LED
annunciator
indicates
that
uncleared
error
messages
are
in
the
synthesizer
front
panel
error
queue
.
5-4