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HP 4934A User Manual

HP 4934A
136 pages
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SERIAL
NUMBERS
This
manual
applies
directly
to
instruments
with
serial
numbers
prefixed
3648U.
For
additional
important
information
about
serial
numbers,
see
INSTRUMENTS
COVERED
BY
MANUAL
in
Chapter
3.
HEWLETT®
PACKARD
HP
Part
No.
04934-90054
Printed
in
U.K.
November
1998
Copyright
©
Hewlett-Packard
Ltd.
1998

Table of Contents

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HP 4934A Specifications

General IconGeneral
BrandHP
Model4934A
CategoryMeasuring Instruments
LanguageEnglish

Summary

Getting Started

Introduction

Overview of the manual and instrument usage.

Switch-On Procedure

Instructions for powering on the instrument and its initial self-test.

Front Panel Features

Description of the instrument's controls, buttons, and indicators.

Demonstrations

Step-by-step guides for basic measurements and instrument operation.

Error Codes

Lists and explains error codes displayed by the instrument.

Making Measurements

Preliminary Setup

Steps for connecting the instrument to a test circuit and initial configuration.

Dial and Hold Operations

Explains how to dial up lines and hold connections using the instrument.

Dialing with a Butt-in

Procedure for using a butt-in to dial and communicate on a line.

Receiving Incoming Calls

Steps to receive calls and seize lines for testing.

Level and Frequency Measurement Principles

Details on measuring signal level and frequency, including loss and attenuation.

Message Circuit Noise Measurement Principles

Principles and measurement of background noise with band limiting filters.

Noise with Tone Measurement Principles

Quantifies total noise including background noise and noise with a signal.

Signal to Noise Measurement Principles

Determines the ratio of received signal plus-noise power to noise power.

Impulse Noise Measurement Principles

Detects and counts noise spikes like clicks and pops on a telephone line.

P/AR Measurement Principles

Measures combined effect of impairments on a data signal (Peak to Average Ratio).

Noise to Ground Measurement Principles

Determines longitudinal (common mode) noise present on a circuit.

General Information

Introduction

Introduces the manual's scope and the instrument.

Version and Applicability

Details manual applicability, software versions, and contact information.

General Safety Precautions

Crucial safety precautions for operation, service, and repair.

Safety Symbols Explained

Explains symbols used on the instrument and in the manual for safety.

Compliance and EMC Information

Details compliance with safety standards and EMC directives.

Manual Coverage and Serial Numbers

Explains how serial numbers relate to manual content and supplements.

Available Options and Accessories

Lists optional accessories and features for the HP 4934A.

Technical Specifications

Detailed technical specifications and performance parameters of the instrument.

Installation

Installation Introduction

Provides installation instructions for the instrument and accessories.

Initial Inspection

Procedure for inspecting the instrument and shipping container for damage.

Preparation for Use

Precautions to follow before switching on the instrument.

Power and Battery Setup

Instructions for connecting power, handling the fuse, and installing the battery.

Operating Environment and Cleaning

Guidelines for temperature, humidity, altitude, and cleaning the instrument.

Storage, Shipment, and Packaging

Recommendations for storing, shipping, and repackaging the instrument.

Performance Tests

Introduction to Performance Testing

Overview of the chapter's procedures for testing instrument performance.

Recommended Test Equipment

Lists the test equipment required for performance verification.

Operational Verification

Tests to quickly establish >90% confidence in instrument performance.

Full Performance Test

Tests to ensure the instrument operates to its full warranted specification.

Calibration Cycle

Information on instrument maintenance and calibration intervals.

Software Downloading

Introduction

Describes how to download new operating software to the 4934A TIMS using a PC.

Quick Download Procedure

Step-by-step guide for connecting a PC and downloading software.

About the DOWNLOAD Program

Details the DOWNLOAD.EXE program and its command-line variables.

Remote Control

Introduction

Explains how the 4934A TIMS can be controlled remotely via its RS-232 serial port.

The Serial Port

Details the physical serial port and its communication parameters.

Cable Pinout

Shows pinouts for straight-through and null modem serial cables.

Setting up for Remote Control

Instructions for connecting to a controller and configuring baud rate.

Control Commands

Lists commands to control instrument operation remotely.

Query Commands

Lists commands to retrieve measurements and data from the instrument.

Range Error Messages

Explains responses to out-of-range values entered via remote commands.

Service Accessory 1 (SA1) 20 dB Amplifier/4 kHz Filter

Performance Test

Details the performance testing procedures for the SA1 accessory.

Specifications

Lists the specifications for the SA1 amplifier/filter.

Equipment Required

Lists the test equipment needed for SA1 performance tests.

Procedure

Step-by-step instructions for testing the SA1 accessory.

Service Accessory 2 (SA2) Power Splitter/Adder

Performance Test

Details the performance testing procedures for the SA2 accessory.

Specifications

Lists the specifications for the SA2 power splitter/adder.

Equipment Required

Lists the test equipment needed for SA2 performance tests.

Procedure

Step-by-step instructions for testing the SA2 accessory.

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