A
djusting
the
Scale and
Reference
Adjusting
the Scale
and Reference
The
4395A
provides
you
with several
means to
adjust the
scale and
reference of
the trace
so
that
the
entire
trace
is displayed
within the
grid area.
For
example,
when the
trace is
out
of
the
grid
or
is
too at
to see
the required
characteristics,
you can
adjust the
trace settings
by
adjusting
the
reference
or
the scale
.
A
utomatically
adjusting
the
scale and
reference
Manually
adjusting
the
scale
and reference
Setting
the
reference
Changing
the
scale
per
division
Automatically
Adjusting
the Scale
and Reference
(NA,
ZA
Mode)
1.
Press
4
Scale
Ref
5
.
2.
Press
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
AUTO SCALE
to
t
the
trace
within
the
grid.
The
scale
and
reference
settings
are
automatically adjusted
to provide
an
optimum
trace
display
.
Before
A
uto
Scale
After
A
uto
Scale
Figure 6-12.
A
utoscale
Function
Manually A
djusting the Scale and Reference (NA, ZA Mode)
If you want to manually adjust the scale and reference settings
, the following functions are
available:
To change the scale per division setting, press
NNN
NNNNNNNNNNNNNNNNNNNNNNNNN
N
SCALE/DIV
.
To change the reference position that is shown as \
7
", use
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE POSITION
and
4
*
54
+
5
keys.
To change the reference value, use
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE VALUE
.
If you are displaying a data trace and a memory trace together, you need to consider whether
you want to change the scale for one or both traces.You can change the traces as follows:
Setting and Optimizing Measurement Conditions 6-23