Note
If
SA
VE
LOCK
is
on,
pressing
NNNNNNNNNNNNNNNNNNNNNNN
TRACE
n
on
an
HP
8561A/62A
causes
the
message
SAVELOCK
ON
to
appear
in
the
active
function
area.
If
this
happens
,
press
4
SA
VE
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SAVELOCK
OFF
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SAVE
TRACE
B
NNNNNNNNNNNNNNNNNNNNNNN
TRACE
n
Figure
3-29
shows
the
on-screen
condition
after
a
thru
trace
is
stored.
In
the
illustration,
the
DUT
is
reconnected
and
trace
B
is
in
view
,
displaying
the
thru
trace
.
Figure
3-29.
Display
of
Thru-Reference
Trace
in
Trace
B
Normalize
.
14.
T
o
normalize
,
activate
the
trace
math
function,
A0B+DL
!
A,
by
pressing
4
TRACE
5
NNNNNNNNNNNNNN
MORE
.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
A 0B+DL ! A
ON
OFF
to
select
ON.
Note
When
trace
math
is
on,
an
M
will
appear
in
the
special
functions
section
of
the
display
.
15.
If
necessary
,
make
adjustments
to
the
position
of
the
trace
by
changing
the
position
of
the
display
line
.
A
ccess
the
display
line
by
pressing
4
DISPLA
Y
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DSPL
LIN
ON
OFF
.
The
preset
value
of
the
display
line
is
0
dBm.
HP
85640A
RF
T
racking
Generator
Operation
and
Service
Manual
Operation
3-27
Содержание 85640A
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