Agilent 4285A Getting Started Guide

Agilent 4285A

Precision

LCR

Meter

Getting

SERIAL

This

3009J

NUMBERS

manual

.

applies

Started Guide

directly

to

instruments

with serial

number prex

Agilent Part No. 04285-90011

Printed in JAPAN March 2001

Fourth Edition

Notice

The

information

without

This

notice

document

copyright.

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the

prior

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.

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language

.

change

protected by

be

without

Agilent

T

echnologies

Component

1-3-2,

Murotani,

Hyogo

,

651-2241

T

est

Japan, Ltd.

PGU-Kobe

Nishi-ku,

Japan

Kobe-shi,

c



Manual

History

Printing

The

manual printing

edition.

(Minor

not

The printing

corrections

cause the

extensive

June

1990

date and

date changes

and

updates which

date to

change.)

technical changes

:

::

:

part number

when a

are incorporated

The manual

are incorporated.

:

First

Edition

indicate its

new edition

part number

(part

number:

current

is printed.

at reprint

changes

04285-90001)

do

when

December

March

2000

2001

1996

:

::

:

::

:

::

:

Second

:

::

:

F

Third

ourth

Edition

(part

number:

04285-90011)

iii

Safety

Summary

The

following general

phases

comply

in

In

intended

The

failure

of operation,

with

this manual

addition it

use of

Agilent

to

comply

safety precautions

service,

these

precautions or

may impair

violates safety

the instrument.

Technologies

with these

and repair

with specic

the protection

standards of

assumes no

requirements.

must be

of this

observed during

instrument. F

WARNINGS

provided by

design, manufacture

liability for

the

all

ailure to

elsewhere

the equipment.

,and

customer's

DO

NOT

Explosive

Keep

DO

A

way

NOT

Note

Ground

Instrument

Operate

In

Atmosphere

From

Circuits

Service

A

djust

Alone

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An

Live

Or

4285A

DEGREE

LEDs

CLASS

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be

with

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this

1

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electric

connected

operate

Operation

constitutes

Operating

personnel must

replacement

maintenance

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connected.

exist

even

with

disconnect

Do

not

attempt

capable

of

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with

in

IEC1010-1.

product

PRODUCT

shock

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instrument

of

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denite

and internal

personnel.

Under

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INST

4285A

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safety

.

any

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rst

ALLA

TION

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INDOOR

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earth

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hazard.

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not

replace

conditions

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removed.

circuits

adjustment unless

aid and

resuscitation, is

CA

TEGORY

USE

II

product.

accordance with

instrument

ground

presence

instrument

must

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in

be

chassis

the

of

ammable

such

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o

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and

POLLUTION

IEC825-1.

and

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supplied

power

gasses

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environment

.

Component

by

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another person,

present.

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DO

NOT

Parts

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Or Modify

Instrument

Dangerous Procedure

Warnings

Warning

iv

Because

install

instrument. Return

of

the

substitute

danger

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of

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or

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Agilent

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Sales

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and

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maintained.

Warnings

procedures throughout this manual. Instructions contained

, such as

the example below

, precede potentially dangerous

in the

warnings must be followed.

Dangerous voltages, capable of causing death, are present in this

instrument. Use extreme caution when handling, testing, and

adjusting this instrument.

Safety Symbols

General

are

listed below

denitions

.

of

safety symbols

used on

equipment or

in manuals

Instruction

with

this symbol

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Alternating

Direct

On

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In position

Out

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include

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to

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procedure

if

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in

damage

manual symbol:

to the

instruction manual.

current.

of push-button

(or chassis)

(chassis)

all

exposed

arning

correctly performed

or

death

correctly

to

product.

when it

of

push-button

terminal.

of

the

metal

sign

denotes a

practice,

to

sign

denotes

,

practice

performed

or

destruction

the product

is necessary

switch.

A

equipment

structures

condition or

or adhered

personnel.

a

hazard.

,

condition

or

of

connection

which

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hazard. It

the like

It

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part

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is marked

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normally

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Note

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highlight.

containing

procedures

damage

,

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static

to

component.

It

calls

sensitive

prevent

or

the

devices

v

4285A

LCR

Precision

Meter

Documentation

Map

The

documentation for

manuals

purpose

.F

ollowing is

.

The

system

basic

the 4285A

a brief

4285A Getting

setup

and

measurements

has been

description of

Started Guide

initial

power-up

and

explains

separated into

each manual

walks

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shows

you

how

commonly

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and its

through

to

make

used

features

.

The

4285A

04285-90020)

GPIB

OPERA

provides

programming

TION

MANU

general

information,

AL

(Agilent

information,

and

in

depth

P

art Number

specications

reference

information.

The

4285A

MAINTENANCE

MANU

AL

(Agilent

P

art

Number 04285-90030) explains how to verify conformance

to published specications

.

,

The

4285A SERVICE MANUAL

(Agilent Part Number

04285-90031) explains how to adjust, troubleshoot, and

repair the instrument. (Furnished Option 915 only.)

vi

Typeface

Conventions

Bold

Italics

Boldface type

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or example:

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HARDKEYS

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During

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components

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at its option, either repair

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For warranty service or repair

service facility designated by Agilent T

shipping charges to Agilent T

shall pay shipping charges to return the product to Buyer

Buyer shall pay all shipping charges

, this product must be returned to a

echnologies. Buyer shall prepay

echnologies and Agilent T

echnologies

. However

,duties

, and taxes for products

,

returned to Agilent Technologies from another country.

Agilent Technologies warrants that its software and rmware

designated by Agilent Technologies for use with an instrument will

execute its programming instruction when property installed on that

instrument. Agilent Technologies does not warrant that the operation

vii

Limitation

W

arranty

Exclusive

Remedies

of

the instrument,

error

free.

The

foregoing

improper

software

operation

or

improper

No

other

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outside

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specically

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remedies

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Agilent

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back of

this

Sales

manual.

viii

Contents

1.

Before

Initial

Preparation for

Power

Line V

Setting Up

System

Equipment

Installing

Interconnecting

Setting

Equipment

Interconnecting

Connecting

Equipment

Interconnecting

2.

Getting

Front P

LCD P

MENU keys

CURSOR and

ENTRY Keys

GPIB

4

TRIGGER

Memory

4

DC-BIAS

Contrast Control

Front P

Y

ou

Begin

Considerations

Use

Requirements

oltage

anel

Status

anel Operation ...... ..... .....

and

oltage

Fuse

Selection .

the High

.

the

Up

the

4285A,

A

cquainted

Description

and

Indicator

5

Key

Card

5

Key

.

Required

CURSOR Keys

..

Slot

.

Fuse

Selection

Current

.

T

est

Fixture

the

Units

Precision

the

Units

42841A,

Cables

with

Softkey

Display

.

and

.

Knob

.

Selection

.

..

.

DC

..

.

Q

Measurement

.

and

.

..

.

the

4285A

.

P

ages

.

4

LCL

.

Biased

.

..

.

42851A .

.

..

.

5

Key

.

Measurement

.

..

.

..

System

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

1-1

1-2

.

1-2

.

1-2

.

1-2

.

1-2

.

1-3

.

1-3

.

1-3

1-4

.

1-4

.

1-4

.

1-4

.

1-5

.

1-5

.

1-5

.

2-1

.

2-1

.

2-2

.

2-3

.

2-4

.

2-4

. 2-5

.

2-5

2-6

3. Basic Measurement Examples

Introduction ......

Capacitor Measurement . . . . . .

Measurement Conditions

Equipment Required ................

Operation Procedure ...... ...... ....

Inductance Measurements . . . . . . . . . . . . . . . 3-5

Measurement Conditions .............. 3-5

Equipment Required ................ 3-5

Operation Procedure ...... ...... .... 3-5

DC Voltage Biased Measurement . . . . . . . . . . . . 3-10

Measurement Conditions .............. 3-10

Equipment Required ................ 3-10

...............

...... ....

......

........

3-1

Contents-1

Preparation

Operation

Measurements

Equipment

Operation

DC

Current

Measurement

Equipment

Preparation

Operation

Precision

Measurement

Equipment

Preparation

Congure

Operation

4.

Instrument

Memory

System

Internal

A

utomatic

ALC Theory

ALC

Operation

List

Structure

LIST

Print

Printer

Before Measurement

Checking

Conguring

Checking

Measurement Time

Voltage/Current

Sweep Function

LIST

SWEEP

Function

the Option

Procedure .

Using 1m/2m

Required .

Procedure .

Biased

Conditions

Required

Before

the

Option

the

System

Q

Function

Memory

SWEEP

Mode

Requirements

Troubleshooting

.

Procedure

Measurement

Conditions

Required

Before

the

Option

the

Precision

Procedure

F

eature

.

Non-V

olatile

Level

Control

of

Operation

Procedure of

of

LIST

DISPLA

SETUP

Measurement

.

Installed

.

T

est

.

Measurement

.

Measurement

Installed

High

Current

.

Measurement

Installed

Q

measurement

.

Tutorial

.

..

.

..

Memory/External

Function

.

Setting

the ALC

..

.

SWEEP

.

Y

page

.

page

.

function

Procedure

.

Leads

.

Biased

.

..

.

Range

.

..

.

Measurement

.

..

.

Memory

.

..

.

Function

.

..

.

..

.

..

.

..

.

..

.

..

.

System

..

.

..

.

..

.

..

.

..

.

..

.

Card

.

..

.

..

.

..

.

..

.

. 3-10

..

.

..

.

. 3-20

..

.

..

. 3-27

.

. 4-5

.

..

. 4-9

..

.

3-10

3-14

3-20

3-23

3-27

3-28

4-1

4-2

4-3

4-4

4-5

4-6

4-9

4-10

Contents-2

5. What's Next?

Index

Figures

1-1. Line

1-2. Bias

1-3. Q

1-4. Chaining

2-1. Front

2-2.

2-3.

2-4.

3-1.

3-2. Connecting

3-3.

3-4. Measurement

3-5. Connecting

3-6. 16034E

3-7. Make

3-8. Connecting

3-9.

3-10.

3-11.

3-12.

3-13.

3-14.

3-15.

3-16.

3-17.

3-18.

3-19.

3-20.

3-21.

3-22.

3-23. Open

3-24. Connecting the Furnished Shorting Bar

3-25. F

3-26. Precision Q Measurement Setup . .

3-27. Connecting a Shorting Bar

3-28. Connecting the SMD T

3-29. Connecting DUT to the SMD T

3-30. Inductor Precise Q Measurement Results . . . . . . .

4-1. Feedback Control Circuit

4-2. Structure of LIST SWEEP Function .. ...... . 4-5

4-3. List Sweep Modes ................. 4-7

V

oltage

Current

Measurement

Panel

MENU

Entry

CURSOR

Connecting

Measurement

Connecting

V

Cable

42102A

OPEN

SHORT

100

42842C

High Current

Keys

the

oltage

Correction



Resistor Connection

Condition

errite-Cored Inductor Measurement Results

Selector

System

the 42841A

Overview

Keys

T

ermination

T

ermination

T

.

Keys

and

the

16047C

a

Shorting

DUT

Results

the 16034E

Contacts

16034E

DUT

Results

the

16047C

A

Shorting

DUT

Biased

100

ermination

ermination (Alternative)

Bias

(Option

Resistor

Current T

Biased Measurement

of

.

Conguration

and

.

Field

Operation

.

Bar

to

the

16047C

for

.

in

OPEN

to

SHORT

to

the

16034E

of

The

.

Bar

.

001)

P

age

.

connection

Connection

(Alternative)

Connection

est Fixture

the

42842C

est Fixture

.

the

.

a

.

Condition

.

..

..............

.

42851A

.

Example

.

220

pF

Capacitor

.

Condition

.

F

errite-Cored

.

Measurement

.

..

.

..

Connection .

Setup .

.

.........

...

..........

.

.........

est Fixture

.

..

.

..

. 2-4

.

Inductor

.

Results

..

.

..

.

..

.

..

.

...... .

.

..

.

..

.

..

.

..

. 3-16

..

. 3-17

.

..

.

..

.

.....

3-11

3-12

3-13

3-15

3-16

3-18

3-21

3-23

3-24

3-25

3-26

3-28

3-29

3-30

3-31

1-2

1-4

1-5

1-6

2-1

2-2

2-6

3-2

3-3

3-4

3-6

3-7

3-8

3-9

4-3

Contents-3

T

ables

1-1. Line

1-2.

Fuse

NN

N

PRINT

4-1.

Voltage

Selection

N

NN

DISP

Selection

N

and

.

NN

PRINT

.

1-2

.

..

N

NN

N

DATA

A

vailability

.

. 1-3

.

4-9

Contents-4

1

Before

You

Begin

Welcome

kHz {

30

to

the

MHz)

4285A

sets

a

new

materials measurement.

Use this

Whatever

this

you

This

guide

can

guide

guide to

you

are

will

give

start

using

covers:

install

a

novice

you

the

Installation

Front/Rear

Front P

Basic Measurement

Memory Function

Automatic

List Sweep

Printing

P

erforming

P

anel

Components

anel

Operation

Level

Control

Function

Measurement

Error

Examples

Structure

Correction

Precsision

standard

and

learn

to

LCR

a

working

4285A

immediately

Function

Operation

Result

LCR

in

advanced

how

meter

knowledge

Operation

Function

Meter

to

operate

use

world.

or

of

to

evaluate

The

4285A

component

the

4285A

an

experienced

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4285A

your

(75

and

quickly

user

so

that

devices

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Initial

Considerations

The

4285A

mechanically

carefully

for

passes

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performing

signs

of

its electrical

both the

performance

(Agilent

part number

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carrier and

test procedure

04285-90030).

inspected

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Agilent T

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4285A

electrically and

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F

or

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Maintenance

is

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Manual

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Before You Begin 1-1

Preparation

for

Use

P

ower Requirements

Before

installed

The

4285A

V

oltage

turning the

power on,

and interconnected

requires

:

90

to

132

the

V

ac

the 4285A

correctly.

following

,

198

to 252

power

Vac

and its

source:

accessories must

be

Line

Voltage

Caution

and Fuse

Selection

Frequency

P

ower

Figure

on

1-1

the

instrument's

Before

that

the

Switch is

:

47

:

200

V

A

illustrates

connecting

correct

fuse

correctly

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66

Hz

maximum

the

rear

Figure

the

instrument

has

set.

line

panel.

1-1.

been

voltage

Line

to

installed

selection

V

oltage

the

power

and

switch

Selector

source

the

Line

and

,

make

V

oltage

fuseholder

sure

Selection

1-2 Before You Begin

Line

V

Select

oltage

the

Selection

proper

voltage

T

able

selector

1-1.

Line

Voltage

Selector

115 V



90{132 V

230 V198{252 V

according

V

oltage

Line

V

oltage

, 47{66 Hz

to

the

T

Selection

able

1-1

.

Fuse Selection

Select proper fuse according to the Table 1-2. Current ratings for

the fuse are printed under the fuseholder on the rear panel, and are

listed, along with the fuse's Agilent part number,inTable 1-2.

T

able 1-2.

Fuse Selection

Caution

Setting

Current

Up

DC

Measurement

the

High

Biased

System

If you

need this

and Service

To

remove the

fuse pops

Use

the

DO

NOT

by-pass

By

combining

a

maximum

out.

the

proper

required

use

a

blown

Equipment

Operating

V

oltage

115

230

fuse,contact

Oce.

fuse,

fuse

current

a

mended

fuse

with

the

of

10A

DC

Required

Rating/Type

UL/CSA

V



UL/CSA

V



turn

the

for

the

rating

fuse

.

Find

42841A and

bias

Fuse

3A

250V

Time

Delay

2A

250V

Time

Delay

your

nearest

fuse

holder

line

voltage

and

of

the

or

short-circuit

out

what

current to

P

art

ac

type

2110-0381

ac

type

2110-0303

Agilent

counterclockwise

selected.

specied

the

caused

the fuse

the 42842C,

the

device

Fuse

Number

T

echnologies

Use

only

type

as

replacements

fuse-holder in

to blow!

the

4285A

under

test

until

fuses

order to

can

(

dut

Sales

the

with

.

apply

).

To

perform

following equipment

4285A Precision

42841A

42842C

16048A

Check

Option

and

is

A

CCESSORY

Installing the T

When you use the 42841A Bias Current Source with the

Current Test Fixture

high

Bias

T

est

the

Option

002

is

installed

CONTROL

current

LCR Meter

Current

Leads

slots

installed.

in

the

est Fixture

, connect the 42842C directly to the 42841A. The

are

Source

T

est

in

Option

right

INTERF

biased

impedance

required.

with

Fixture

the

rear

002

most

A

panel

has

slot

CE.

Option

a

(looking

measurement,

002

of

the

4285A

50

Amphenol

from back),

the

to

conrm

connector

labeled

42842C Bias

that

connection procedure is:

1. Put the guide rods of the 42842C into the guide holes in the front

of the 42841A.

2. Connect the output terminal of the

42841A to the input terminal of

the 42842C by pushing the 42842C toward the 42841A.

3. Rotate the retaining screws clockwise in front of the 42842C until

it locks.

,

Before You Begin 1-3

Interconnecting

the Units

Interconnect

cables

1.

2.

as shown

Connect the

TO

UNKNOWN terminals

Leads

.

Connect

4285A

using

and

the

the 4285A,

in

Figure

UNKNOWN

the

A

CCESSORY

the

BIAS

furnished

the

42841A,

1-2

,

use

terminals

of

CONTROL

accessory

the

INPUT

control

and

following

of

the

42842C

INTERF

the

42842C

4285A

with

A

connector

interface

using

procedure

and

the

16048A

CE

connector

of

cable

.

the

proper

T

est

of

42841A

the

Setting Up

Precision

Measurement

1-4 Before You Begin

Figure

the

Q

System

1-2. Bias

Combined

measurement

Equipment

T

o perform precision Q measurement, the following equipment are

Current System

with

the

42851A,

using

the

resonant

Required

Conguration

the

4285A

performs

measurment

precision

method.

Q

required.

4285A Precision LCR Meter with Option 002

42851A Precision Q A

dapter

10503A BNC Coaxial Cable (2 ea.)

Interconnecting the Units

Connect the cables between the 4285A and the 42851A as shown in

Figure 1-3, use the following procedure.

1. Connect the UNKNOWN terminals of the 4285A and the

TO UNKNOWN terminals of the 42851A using two 10503A BNC

coaxial cables.

2.

Connect the

4285A

the

furnished accessory

ACCESSORY

and the

CONTROL INTERF

CONTROL INPUT

control interface

connector of

cable.

ACE

connector of

the 42851A

the

using

Connecting

42841A,

and

Figure

4285A,

42851A

1-3.

Q

Measurement

The

42841A

and

both

can

control

eld

setting

Equipment

The

following

4285A

42841A

42842C

42851A

16048A

and

of

them

either

on

the

Required

equipment

Precision

Bias

Current

Bias

Current

Precision

T

est

Leads

10503A BNC Coaxial Cable (2

System Conguration

the

can

the

SY

LCR

42851A

be

42841A

STEM

use

connected

or

CONFIG

are

required.

Meter

with

Source

T

est

Fixture

Q

A

dapter

ea.)

the

same

to

42851A

page

Option

accessory

a

4285A.

depending

.

002

control

However

on

,

the

interface

the

4285A

CONFIG

Interconnecting Cables

Connect the cables between the 4285A, the 42841A, and the 42851A

as shown in Figure 1-4 using the following procedure

1. Connect

4285A and the

the A

CCESSORY CONTROL INTERF

BIAS CONTROL INPUT A connector of the 42841A

.

ACE connector of the

using the furnished accessory control interface cable.

,

2. Connect the BIAS CONTROL INPUT B connector of the 42841A and

the CONTROL INPUT connector of the 42851A using the furnished

accessory control interface cable.

Before You Begin 1-5

3. When

you perform

the UNKNOWN

terminals of

ahigh

terminals of

the 42842C

DC current

the 4285A

using the

bias measurement,

and the

16048A

test

leads

connect

TO UNKNOWN

.

When you

perform a

UNKNOWN terminals

terminals of

the 42851A

precision Q

of the

4285A and

using two

measurement,

the

TO

10503A BNC

connect

the

UNKNOWN

coaxial

cables

.

Figure

1-4.

Chaining

T

o

learn

how

accessories

passed

If

you

its

want

instance),

number

04285-90030).

the

to

,

continue

self-test

an

electrical

go

through

use

and

42841A

the

4285A

with

is

ready

inspection

the

4285A

and

the

Precision

42851A

LCR

chapter

to

make

measurements

(incoming

Maintenance

Meter

.

The

inspection,

Manual

and

4285A

its

has

already

.

for

(Agilent

part

1-6 Before You Begin

2

Getting

Front

Acquainted

P

anel

Description

with the

Figure

front

2-1

panel

shows

is

given

4285A

the

front panel

in the

of the

4285A. A

following paragraphs

description

.

of

the

LCD P

anel and Softkey

Figure 2-1.

Front

P

anel

Overview

To simplify the front panel by reducing the front panel keys for each

of the many instrument functions

,the

4285A employes LCD (Liquid

Crystal Display)-displayed \menus" for operator input. These menus

list the possible choices for a particular function,

corresponding to one of the ve softkeys located to

with each choice

the right of the

LCD screen.

In this guide the two types of keys are dierentiated in this way:

4

HARDKEY

NNNNNNNNNNNNNNNNNNNNNNN

SOFTKEY

5

Keys on the front panel

Keys located to the right of the LCD bezel

Getting Acquainted with the 4285A 2-1

MENU keys

Display

What

Measurement

and

Pages

is

the

Modes?

The

4285A changes

the

measurement mode

are

IT

ALICS

left

The

Normal

bridge

called

DISPLA

.)

The currently

corner of

4285A

has

LCR

measurement

the display

and the

Y pages

the LCD

screen enclosed

following

measurement

method.

format dynamically

MENU key

.(In

this guide

selected page

three

measurement

mode

which

pressed. These

the page

name is

in the

displayed in

angle bracket.

modes

uses

the

corresponding to

formats

name is

written

the upper

.

auto

balancing

in

Precision

High

42841A

These

SY

STEM

The

4285A

display

Q

measurement

current

and

DC

42842C.

measurement

CONFIG

has

three

pages

as

follows

biased

modes

page

MENU

when

measurement

can

be

under

4

CA

keys

.

combined

when

changed

T

ALOG/SYSTEM

,

and

each

with

combined

on

the

5

.

MENU

the

42851A.

CONFIG

key

with

has

the

eld

four

in

2-2 Getting Acquainted with the 4285A

4

DISPLAYF

ORMAT

Figure 2-2.

5

MENU K

eys

The display pages under this menukey are used to choose the

measurement display format, sorting, and sweep results

performs measurement from only these pages

.

Some major selection

. The 4285A

elds can be set from these pages the same as from the elds on the

MEAS SETUP

on or, when you press

page under

4

DISPLAYFORMAT

4

MEAS SETUP

5

. When the 4285A is turned

5,MEAS DISPLAY

page is

automatically selected. Press a softkey to choose other pages.

MEAS DISPLAY

BIN No. DISPLAY

BIN COUNT DISPLAY

page

LIST SWEEP

DISPLAY

page

4

MEAS SETUP

The display

5

pages under

measurement conditions

to set

the bin

4285A stops

MEAS

choose

SETUP

other

MEAS

CORRECTION

LIMIT T

LIST

4

CAT

ALOG/SYSTEM

The

display

memory/external

congration,

displayed,

4

CAT

ALOG/SYSTEM

Press

a

CA

T

ALOG

SY

STEM

CABLE

SELF

sorting limits

data acquisition.

page

pages

SETUP

page

ABLE

SWEEP

SETUP

5

pages

and

the

4285A

5

softkey

to

page

CONFIGURA

CORRECTION

TEST

page

is

automatically

.

under

memory

for

service

stops

,

the

choose

this menukey

(including the

.

While

When

page

this

menukey

card

management,

functions

data

acquisition.

CA

T

ALOG

other

pages

TION

page

are

used

correction function),

these

pages

you

press

selected.

are

Press

used

for

.

While

When

page

is

automatically

.

to

set

all

are

displayed,

4

MEAS SETUP

a

softkey

for

internal

system

these

pages

you

and

the

5

,

the

to

are

press

selected.

Note

Dierence

Field

and

Area

CURSOR

CURSOR K

between

Monitor

and

eys

When

the

42851A

and

activated,

4

MEAS

\Precision

A

eld

A

monitor

or

value

CURSOR

A

CURSOR

SETUP

Q

is

an

area

of

(described

is

5

each

access desired elds on each display page

eld where it resides from the normal white

Precision

all

display

will

be

changed.

Measurement"

area

on

the

LCD

is

an

area

instrument

below),

a

movable

indicator

Q

A

pages

in

screen

on

the

function.

but

dapter

(format)

F

or

operation

Chapter

to

LCD

a

monitor

on the

is

connected

under

information,

4

DISPLA

to

Y

the

F

4285A

ORMA

refer to

3.

set

an

screen

Fields

area

LCD

instrument

to

indicate

can

be

can't

panel

function.

the

accessed

be

accessed.

that

allows

status

. The CURSOR changes the

background to a dark

T

by

5

background (inverse video). The CURSOR keys are used to move

the CURSOR to the eld you wish to use

where the CURSOR resides

, the 4285A changes the softkey labels

. Corresponding to the eld

and

the

you

.

to

Getting Acquainted with the 4285A 2-3

Agilent 4285A Getting Started Guide

Specifications and Main Features

Frequently Asked Questions

User Manual