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HP
5384A and
HP
5385A
Operation
and Programming
SECTION Ill
OPERATION
AND PROGRAMMING
3-1.
INTRODUCTION
3-2. This section gives
complete
operation
and
pro-
gramming
information
for
the
HP
5384A and
HP
5385A Frequency Counters. Descriptions
of
all
front
panel controls, connectors, and indicators,
as
well
as
an
operator's check,
operating
instructions,
program-
ming
instructions and codes, and operator's main-
tenance, are
provided.
Unless otherwise specified, all
information
pertains
to
both
counters.
3-3. OPERATING CHARACTERISTICS
3-4. The
HP
5384A and
HP
5385A can be
configured
for
system
or
benchtop
use. They make
frequency
and
period
measurements. Inputs
enter
through
two
channels. Raw data
from
the
input
measurements are
used by
the
counter's
microcomputer
to
compute
and
format
the
result
either
for
display
or
transmis-
sion
over
the
interface. The
operating
range, reso-
lution
and accuracy
for
each
individual
functional
mode
is
given
in
the Specifications, Table
1-1
.
3-5. Descriptions
of
and
operating
instructions
for
Options
001,003, 004,005 are
provided
in
this section.
3-6. OPERATING INSTRUCTIONS
3-7.
Information
and instructions
for
operating
the
HP
5384A and
HP
5385A in
both
local and
remote
modes are
provided
in
this section. The
following
paragraphs summarize
the
organization and
content
of
the
operating
information.
3-8.
LOCAL
OPERATION.
The
operating
infor-
mation
for
local (or manual)
operation
of
the
counter
consists
of
the
following
topics:
General
Operation
Information.
The General
Operation
Information
describes
the
basic
oper-
ation
of
the
instrument
display,
the
inputs, and the
front
panel keyboard.
Front and Rear Panel Features. The
front
and rear
panel features consists
of
Figures 3-7
through
3-9
which
locate and describe all the
operator
controls
and indicators.
Making
Frequency and Period Measurements .
Making
Frequency and Period Measurements
de-
scribes the
recommended
procedure
for
making a
measurement.
3-9.
REMOTE
OPERATION.
A
good
working
knowledge
of
the
local
operation
of
the
counter
is
essential
for
remote
programming,
as
most
of
the
data
messages
perform the
same
key-stroke-like sequences.
The Remote
Operation/Programming
instructions
describe the
following:
Interface Description
Interface Functional
Overview
Interface System
Overview
Address Selection
Interface Function
Interface Commands
Input
Format
Output
Format
Measurement Triggering in Remote
SRQ,
SRQ
Mask, and Status Byte
Device
Dependent
Commands
Device
Command
Definitions
Power-up and Default
States
Programming Examples
3-10. OPERATOR'S MAINTENANCE
3-11.
The
only
maintenance the
operator
should
normally
perform
is
the replacement
of
the
de fuse.
Refer
to
Section II, Line Voltage Selection,
for
in-
structions
on
changing
the
fuse.
3-12.
The standard oscillator adjustment
is
also ac-
cessible
from
the rear panel. The oscillator
is
factory
set at
10
MHz.
Once
adjusted,
the
oscillator should
need
little
future
attention
except
for
periodic
cali-
bration using a precision
frequency
source.
To
adjust
the standard oscillator, refer
to
Section
V,
Standard
Oscillator Adjustment.
3-13. GENERAL OPERATION
INFORMATION
3-14. Introduction
3-15. The
following
paragraphs describe
the
general
operating features
of
the
HP
5384A and
HP
5385A Fre-
quency
Counters.
3-16. Display
3-17. All display functions are
performed
by a Liquid
Crystal Display assembly. The assembly contains 12
alphanumeric
characters;
the
display
format
for
all
measurements
is
in
engineering
notation.
The
left-
3-1
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