Agilent Technologies HP 83711A - Page 117

(
The
4
(
5
key
moves
the
cursor
(
9
)
that
appears
over
one of
the digits
in the
display
to
the
left
one
digit
each
time
it
is
pressed.
The
digit
that
is
currently
under
the
cursor
will
be
increased
or decreased
in
steps
of
one
as
the
knob
is
rotated.
Clockwise
rotation
of
the knob
increases
the
digit
under
the
cursor
and
counterclockwise
rotation
decreases
it.
If
pressing
the
4
(
5
key
moves
the
cursor
too
far
to
the
left,
pressing
the
4
)
5
key
will
move
the
cursor
back
to
the
right.
N
O
T
E
The
digit
under
the
cursor
is
aected
only b
y the
knob
,
not
the
4
*
5
and
4
+
5
ke
ys.
If
4
SHIFT
5
,
4
)
5
(ENTRY
OFF)
has
been
enabled,
the
cursor
will
disappear
from
the
display
and
rotating
the
knob
will
have
no
aect
on
the
parameter
.
Note
that
the
cursor
indicates
that
particular
parameter
is
active
.
F
or
example
,
if
the
cursor
appears
over
any
digit
in
the
frequency
display
,
the frequency
parameter
is
the
active
parameter
.
If
an
arrow
key
is
pressed
that
moves
the
cursor
to
a position
that is
o the
display
,
another
cursor
will
appear
next
to
the
original
cursor
to indicate
that
the
actual
cursor
position
is
o
the
display
.
F
or example
,if
a frequency
multiplier
of
six
is entered
into the
synthesizer,
the maximum
frequency
entry
that can
be made
is 120
GHz (20
GHz 2
6). The
display,
however
,
only
has
room
to
display
two
digits
to
the
left
of
the
decimal
point.
If
you
were
to
attempt to position the cursor three digits to the left of the decimal point,
the
double cursor would appear
, indicating that the actual cursor position is o
the display
.
6-5