HP 54501A - Page 90

The
11
subsystems
in
the
HP 54501A
are:
System
-
controls
some
basic
functions
of
the
oscilloscope.
Acquire
-
sets
the
parameters
for
acquiring
and
storing
data.
Calibrate
-
sets
the
time
nulls
(channel-to-channel
skew).
Channel
-
controls
all
Y-axis
oscilloscope
functions.
Display
-
controls
how
waveforms,
voltage
and
time
markers,
graticule,
and text
are
displayed
and
written
on
the
screen.
Function
-
controls
the
waveform
math
functions of
the
oscilloscope.
Hardcopy
-
controls
the
parameters
used
during
the
printing
of
waveforms.
Measure
-
selects
the
automatic
measurements
to
be
made.
Timebase
-
controls
all
X-axis
oscilloscope
functions.
Trigger
-
controls
the
trigger
modes
and
parameters
for
each
trigger
mode.
Waveform
-
provides
access
to
waveform data,
including
active
data
from
channels and
functions
as
well
as
static
data
from
waveform
memories.
Programming and Documentation
Conventions
HP
54501A
4-10
Programming