Agilent 4263B Service Manual

Agilent

4263B LCR

Meter

Service Manual

This

manual

\Instruments

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or

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Agilent Part No. 04263-90033

Printed in JAPAN June 2000

Notice

The

information

This

document

reserved.

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T

echnologies

Component

1-3-2,

Hyogo

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,

651-2241

T

est

Japan,

PGU-Kobe

Nishi-ku,

Japan

Ltd.

Kobe-shi,

c



Manual Printing

A

ugust

1996

:

June

2000

:

::

History

::

:

::

:

First

Edition (part

:

::

:

Second

Edition (part

number: 04263-90033)

number:

04263-90033)

iii

Safety Summary

The

following

service

W

ARNINGS

In

addition

,

and

elsewhere

it

general

repair

violates

safety

of this

safety standards

instrument.

The

A

with

gilent

these

T

echnologies Company

requirements

precautions must

instrument. F

in

this manual

.

ailure to

may impair

of design,

assumes no

be observed

comply with

the protection

manufacture,

liability for

during all

phases of

these precautions

provided by

and intended

the customer's

operation,

or with

the equipment.

use of

failure

the

to

comply

specic

Note

Ground

T

o

avoid

safety

DO

Do

not operate

electrical

Keep

The

electric

earth

NOT

instrument in

A

way

Operating

adjustments

with

the

power cable

with

the

power

circuits

DO

before

NOT

4263B

in

complies

IEC1010-1.

Instrument

shock

hazard,

ground

Operate

the

instrument

From

by

the

In

Live

personnel must

must

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connected.

cable

removed.

touching

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such

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ammable

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o

avoid

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injuries

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conditions

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always

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TEGORY

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earth

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II

.

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POLLUTION

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Operation

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replacement

replace

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DEGREE

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Technologies Sales and Service

internal

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the instrument. Return the instrument to a Agilent

Oce for service and repair to ensure that safety features are

person,

, do not install substitute parts or

maintained.

Dangerous Procedure W

Warnings

, such as the example below

arnings

, precede potentially dangerous procedures throughout

this manual. Instructions contained in the warnings must be followed.

Warning

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

instrument. Use extreme caution when handling, testing, and adjusting

this instrument.

iv

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Exclusive Remedies

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vi

Safety Symbols

General

denitions

Instruction

necessary

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Direct

On

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Frame

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practice

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vii

Documentation Map

Operation

Japanese

Manual

edition)

conformance

Service

repair

How

This is

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Chapter

Manual

the

4263B

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o

Use

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04263-90033)

LCR

Meter

following

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the

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4263B

English edition,

how

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troubleshooting

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the

performance

the 4263B

and installation

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4263B

operation and information on faulty assembly isolation.

the

4263B

tests

procedures.

.

The information

is

within

.

The

information

its

published

includes

Appendix A Manual Changes

Appendix A contains

4263Bs manufactured before

Appendix B Default Jumper

manual changes and provides information for using this manual with

the printing date of the manual.

and Switch Settings

Appendix B describes the settings of the jumpers and switches on the 4263B A2 CPU Board

Assembly. The information is required when the A2 assembly is replaced.

viii

Contents

1.

General

Introduction

Instruments

Required

2.

A

djustments

Introduction

Safety

Required

A

djustment

Adjustable

F

actory-Selected

EEPROM

djustment

A

djustments

A

Program

Making

Dening

Program

Signal

Impedance

Source

Equipment

Setup

Equipment

Setup

Equipment

Setup

Information

.

Covered

Equipment

.

Consideration

Equipment

T

ools

Components .

Write

djustments

Program

Installation

a

the

Execution

Procedure

.

..

.

Components

Protect

W

orking

Conguration

Level

.

..

Measurement

.

..

Measurement

..

.

Measurement 2m

Measurement

.

by

This

.

Switch

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Copy

.

References

A

djustment

.

..

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0m

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1m

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4m

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Manual

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A

djustment

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A

djustment

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Adjustment

A

djustment

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..

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1-1

.

..

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1-1

.

..

.

1-2

.

..

.

2-1

.

..

.

2-1

.

..

.

2-1

.

..

.

2-2

.

..

.

2-2

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..

.

2-2

.

..

.

2-2

.

..

.

2-2

.

..

.

2-3

.

..

.

2-5

.

..

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2-5

.

..

.

2-5

.

..

.

2-5

.

..

.

2-7

.

..

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2-7

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..

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2-7

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..

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2-7

..

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2-8

.

..

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..

.

2-8

. 2-8

.

2-9

.

2-9

.

2-9

. 2-10

.

2-10

3. Assembly Replacement

Introduction . . . . . . . . . . . . . . . . . . . . . . .

Ordering Information

Restored

Replacing

Replaceable Assembly List

Replaceable Mechanical P

Disassembly Procedures ...... ...... ...... ...... ... 3-9

Tools and Fasteners ............................ 3-9

Cover Removal .... ...... ...... ...... ...... .. 3-9

A1 Main Board Removal .......................... 3-10

A2 CPU Board Assembly Removal ..................... 3-10

Exchange Assemblies

the A2 CPU Board Assembly

Removal Procedure ........ ...... ...... ..... .. 3-10

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

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

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

........

arts List . . . . . . .

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

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

...... ....

.....

3-1

. 3-1

3-2

3-5

Contents-1

A5

AC

Removal

Keyboard

Removal

LCD

Assembly Removal

Removal

BNC

Connector

Removal

4.

Troubleshooting

Introduction

Safety

Required

After

Service

Theory

Overall

Analog

Signal

Transducer

V

ector

Transformer

Digital

P

ower

Troubleshooting

Check

Inlet Board

Procedure .

Assembly Removal

Procedure .

Removal

Procedure

.

Considerations

Equipment

Product

of

Operation

Measurement

Block

Diagram

Section

Source

Ratio

Section

Supply

Procedure

1,

2,

3,

4,

5, CPU

6, CPU

7,

8,

9,

10,

11,

12,

.

Section

Detector

P

arameter

.

..

Section .

.

References

DC-DC

LCD

Displays

LCD

Operates

Any

Error

ower

Any

Error

CPU

Fuse

and

DC-DC

Transformer

Assembly

.

Safety

.

Theory

.

Section

Measurement

..

.

..

Converter

Anything?

Correctly?

Message

Error

LED

Code

High

Line

Switch

Converter

Secondary

Removal

.

Checks

.

Output

on

Message?

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on

LED?

Lead

V

Input

Open

.

..

.

..

.

..

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..

. 3-10

.

. 3-11

.

..

.

. 4-10

..

.

. 4-14

..

.

. 4-14

..

.

. 4-18

. 4-19

3-10

3-11

4-1

4-2

4-3

4-4

4-5

4-6

4-7

4-8

4-9

4-11

4-13

4-14

4-15

4-16

4-17

A.

Manual

Introduction . . . . . . . . .

Manual Changes . . . . . . . . .

B. Default Jumper and Switch Settings

Introduction . . . . . . . . . . . . . . . . . . . . .

Jumper and Switch Settings

Index

Contents-2

Changes

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

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

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

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

......

A

-1

A-1

B-1

Figures

1-1. Serial

2-1. A

2-2. Signal

2-3. Impedance

2-4. Impedance

3-1.

4-1.

4-2.

4-3.

4-4.

4-5.

4-6.

4-7. Basic

4-8.

4-9.

4-10.

4-11.

4-12.

4-13.

4-14.

4-15.

4-16.

B-1.

Number

djustment

Source

Cover

V

4263B

Analog

Signal

Transducer

V

Digital

P

Troubleshooting

DC-DC

CPU

Location

DC-DC

Transformer

Jumper

Removal

oltage

Overall

Source

ector

Transformer

ower

Board

Program

Level

Measurement

Current

Block

Section

Block

Ratio

Detector

Section

Supply

Converter

Assembly

of

High

and

Section

Secondary

Switch

Label

Block

.

Flow

A

djustment

.

Ratio

Measurement

Diagram

Block

Diagram

Block

Diagram

Block

Measurement

Diagram

Block

Flow

Chart

Output

LED

Lead

Input

Output

Settings

.

0m

1m

.

Diagram

.

Diagram

V

oltage

Light

of

A2F1

V

oltage

Connector

V

oltage

.

Setup

A

djustment

A

djustment

.

Setup

.

Diagram

.

Check

Sequence

Fuse

Check

.

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.

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.

..

.

..

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1-1

.

2-3

. 2-7

. 2-8

. 2-9

.

3-9

4-3

.

4-4

.

4-5

4-6

.

4-7

.

4-8

. 4-8

.

4-9

.

4-10

.

4-12

.

4-13

.

4-15

.

4-16

.

4-17

.

4-18

.

4-19

.

B-1

Tables

1-1.

Required

1-2.

Required

2-1. Related A

3-1. Replaceable Major Assembly List

3-2. A2 CPU Board Assembly

3-3. Replaceable Assembly List

3-4. Replaceable Mechanical P

3-5. Replaceable Mechanical P

3-6. Replaceable Mechanical P

3-7. Replaceable Mechanical P

4-1. DC-DC Converter Output Voltage (Connected) . . . . . . . . . . . . . . . . 4-13

4-2. DC-DC Converter Open Output Voltages . . . . . . . . . . . . . . . . . . . 4-18

A-1. Manual Changes by Serial Number . ...... ..... ...... ... A-1

Equipment

Language

djustments . . . . . . . . .

.

..

Extensions

, Replaceable Assembly List . . . . . . . . . . . . .

artsList1..... ...... ...... .

artsList2..... ...... ...... .

arts List 3 . . .

arts List 4 . . . .

.

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

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

..

.

..

.

..

.

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

.....

...

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

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

.

Contents-3

1-2

2-2

3-3

3-4

3-5

3-6

3-7

3-8

1

General

Information

Introduction

This

chapter provides

equipment

for the

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the manual. T

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The supplement for this manual is identied by this manual's printing date and its

both of which appear on the manual's title page

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Number

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is lower

Change

the

,

are

General Information 1-1

Required Equipment

T

able

1-1

lists

the

the required

required

language

equipment for

extensions to

T

able

adjusting and

be used

1-1.

Required

with the

Equipment

troubleshooting the

adjustment program.

4263B.

Table

1-2

Equipment Requirements Recommended

Multimeter A

Standard

Open T

Short

Resistors

ermination

T

ermination

Computer No

Operating

A

djustment

System

Program

C

V

A

ccuracy:

(at

100

kHz)

No

Substitute

No Substitute 42090A

No

Substitute

B

ASIC

5.1

or

higher

No

substitute

Cable BNC(m)-BNC(m)

Dual

Banana-BNC(m)

T

est

A

dapter

1

A

djustment

2

Troubleshooting

3

This

model

4

Excluding

is

the

also

HP

T

BNC(f)-BNC(f)

included

9826A

est

in

Leads

the

(1

(2

(4

42100A,

m)

F

<

Cable

A

dapter

our

2.5%

T

erminal

Cable

3458A

42030A 1 A

42091A

HP

9000

RAM



HP

98616A

Agilent

16048A 1 A

16048D 1 A

16048E 1 A

Agilent

P

air

Resistor

Model

or

3478A

3

series

200

4M

bytes

PN

04263-65005

PN 8120-1839

PN

11001-60001

PN

1250-0080

Set

or

300

4

Qty.Use

1 A1,

1 A

4 A

2

T

Name V

CLOCK

COMPLEX 5.1

CRTA 5.1

CRTX 5.1

1

This language extension depends on the mass

1-2 General Information

er

5.0

Table

1-2.

Name V

.

CS80

EDIT 5.1

ERR 5.1

FGPIB 5.0

Required

er

5.0

Language

Name V

.

1

GRAPH

GRAPHX 5.2

GPIB 5.0

IO 5.1

storage type used.

Extensions

er

.

5.2

Name V

KBD

er

5.1

MAT 5.1

MS 5.1

PDEV 5.0

.

A

djustments

Introduction

This

chapter describes

specications

adjustments

optimum

proceed

operating condition.

to Chapter

Note

after it

should be

T

the adjustments

has been

performed along

4.

o

ensure

warm-up

Safety Consideration

This

chapter

operator

adjustments

aware

of

contains

safety

covered

the

and

hazards

NO

to

maintain

in

this

.

TE

repaired, or

If proper

proper

and

stabilization

s

,

CA

chapter

results

UTION

the

instrument

should

required to

when

with periodic

ensure

it

fails

maintenance

the

performance cannot

and

s

,

correct

is

required

and

be

W

instrument

before

ARNING

in

a

safe

performed

s

and

the

4263B

performance

be

achieved

operation,

performing

which must

serviceable

only

by

a

is

within

to

keep

after

the

be followed

condition.

qualied

its

tests

.

The

the

4263B

adjustments

a

30

minute

adjustments

person

published

in

.

to

ensure

The

who

is

2

,

Any

W

arning

interruption

the

instrument)

make

the

ground

instrument

system

Required Equipment

T

able 1-1

equipment

lists

when

the

equipment

adjusting

the

of

or

for

required

4263B

the

protective

disconnection

dangerous

any

reason

to

perform

is

.

ground

of

the

.

Intentional

prohibited.

the

adjustments

conductor (inside

protective ground

interruption of

.

Use

only

or

outside

terminal

can

the protective

calibrated test

Adjustments 2-1

Adjustment

No

hand

tools

A

djustable Components

Tools

are

required for

the adjustments

.

There

4263B

are

.

no

All

adjustable

adjustments

components

are

performed by

, such

EEPROM.

F

actory-Selected Components

No

factory-selected

EEPROM

There

are no

performed

are

two

if

EEPROM

A

an

components

W

rite

Protect

write

protect

djustments

adjustments

assembly

for

has

are used

the

been

T

able

Switch

switches

4263B

replaced.

2-1.

as variable

updating the

in the

.

T

able

4263B

in

the

2-1

adjustment data

4263B

.

lists

the

adjustments

A

djustments

variable resistors

stored in

that

the

must

,

in

internal

be

the

2-2 Adjustments

A1

Main Board

A2

CPU

A5

A

C

Assembly

Board

Inlet

Board

Replaced

Assy

without

ROM

Required

All

adjustments

1

None

A

djustment

LCD Assembly None

DC-DC Converter Unit None

Keyboard Assembly None

1

If the EEPROM, A2U1, is replaced, all adjustments are required.

Adjustment

The

adjustment

the

computer

data,

and

The

adjustment

installed

start

the

controls

stores

into

your

program

Program

program

the

data in

program

computer

after

it has

listed

in T

4263B and

the 4263B

runs

on

according to

been installed,

able 1-1

is required

the other

internal EEPROM,

the

computer

the procedure

pieces of

listed

refer to

for the

adjustments.

equipment to

A2U1.

in T

able 1-1

.The

described in

the \Program

Using the

obtain the

program

adjustment

should

\Program Installation

Execution

".

program,

be

".

T

o

Figure

each

data

disk.

2-1

menu

both

shows

item.

to

the

adjustment program

At

the end

of each

4263B internal

ow.

adjustment, the

EEPROM and

The following

program writes

to the

unit-serial-number dependent

lists the

brief

the

explanation

obtained

for

adjustment

le

on

the

INITIAL SETUP

Signal

Source Level

Adjustment

Impedance

Measurement 0m

Adjustment

Figure 2-1. A

denes the standards' calibration values

calibration values if necessary

obtains

set value

the data to adjust the actual signal source output voltage to the

. This adjustment should be performed if any performance test

djustment Program Flow

. Update the standard's

.

fails.

obtains the data to adjust the actual measurement impedance to the

standards' value, when no test leads are used. This adjustment should be

performed if the performance test, Impedance Measurement Accuracy

Test, fails.

Perform the Signal Source Level Adjustment prior to this

adjustment.

Adjustments 2-3

Impedance

Measurement 1m

Adjustment

obtains the

data to

standards' value

should be

Accuracy

Adjustment

performed if

Test,

prior to

adjust the

, when

the 1m

the performance

fails.

P

erform

this adjustment.

actual measurement

test

leads

are

used.

test,

Impedance

the

Impedance

Measurement

impedance to

This

adjustment

Measurement

0m

the

Impedance

Measurement

A

djustment

Impedance

Measurement

A

djustment

Rewrite

EEPROM

Note

2m

4m

Make

\UUT:

the

adjustment

Because

data

performed

obtains the

standards'

should

A

obtains

be

ccuracy

djustment

the

performed

T

standards'

should

A

writes

be

ccuracy

djustment

the

performed

T

adjustment

dependent

adjusted

sure that

item(s)

the correct

4263B" window

data

the

Impedance

for

the

other

prior

to

data to

value

,

when

est,

fails

prior

to

data

to

value

,

when

est,

fails

prior

to

le

,

to

the

will

preceding the

accuracy

Measurement

Impedance

the

1m,

adjust the

the

2m

if

the

performance

.

P

erform

this

adjust

if

.

P

erform

this

data,

the

adjustment.

the

4m

the

performance

the

adjustment.

which

EEPROM.

be

written.

line frequency

.

Measurement

2m,

and

actual

measurement

test

leads

Impedance

actual

measurement

test

leads

Impedance

is

stored

Only

the

(50

Main Menu.

0m

Adjustment

A

4m

adjustments

are

used.

test,

Impedance

Measurement

are

used.

test,

Impedance

Measurement

in

the

adjustment

or

60Hz)

This

serves

djustments

.

impedance

This

to

adjustment

Measurement

0m

impedance

This

to

adjustment

Measurement

0m

unit-serial-number

data

of

previously

has

been

selected

selection

,

it

the

must

will

improve

reference

have

the

in

been

the

Note

Although

satisfy

the

performing

the

user's

application),

Measurement

is

performed

Measurement

is

performed after

and

2m may

some

requirement

it

is

strongly

A

djustments

after

the

Adjustments

the 0m

be out

of the

of

the

(e

.g.

recommended

.

If

only

0m

adjustment,

are invalid.

adjustment, the

specication.

Impedance

for

users

one

of the

the

data

For

measurement accuracy

Measurement

using

the 4m

to

perform

1m, 2m,

for

the remaining

example

,

A

test leads

all

the Impedance

and 4m

if

only

djustments

adjustments

Impedance

the

4m

adjustment

for

only

the

may

for

1m

2-4 Adjustments

Program

The

adjustment

The

installation

Installation

Conguration".

program

can

be

must

divided

be

installed

into

in

two stages

the

computer

, \Making

using

aW

orking Copy"

the following

and \Dening

procedures.

the

Making

Copy

prevent

harddisk

Dening

Dene

the

GPIB

a

W

contents

the

and

the

conguration

address

conguration,

Refer

to

the

1.

Turn

on

the

2.

Set

the

Mass

exists

using

3.

Load

the

LOAD

"TE_A4263B"

4.

Run

the

loaded

5.

As

the

program

address

.

Note

orking

program

store

of

the

Copy

the

les

original

Conguration

of

the multimeter

it

must

be

following

procedure

computer

Storage

the

MSI

command.

\

TE_A4263B

4

Return

program

instructs

Once

the

unless

the

adjustment

from

accidental

disk

of

the adjustment

redened if

to

and

bring

Unit

Specier

"

le

from

5

(or

4

Enter

by

pressing

,

select

multimeter

conguration

program disk

deletion or

in a

safe place

equipment. The

to be

used. Because

the equipment

dene the

up

the

B

ASIC

to

the

drive/directory

the

adjustment

5

).

RUN

.

the

type

of

type

and

is redened.

to a

working disk

destruction. Use

.

the

conguration has

conguration.

system.

program

the

multimeter

GPIB

addresses

or to

the

harddisk

the working

conguration includes

program

depends

on

changed.

where

disk

to

are

the

by

pressing

be

used and

set,

adjustment

enter

they

cannot

to

disk or

the

type

equipment

program

its

GPIB

be changed

the

and

Program

P

erform

Note

1.

Turn on the computer and bring up the B

required language

2. Set the

exists using the

3. Load the program, \

4. Execute the program by pressing

Execution

the

following steps

Install

the

to start

program

the adjustment

prior

extensions.

Mass Storage Unit Specier to the drive/directory where the adjustment program

MSI

command.

ADJ4263B

" by pressing

RUN

program.

to

execution.

Refer

to

ASIC system. Refer to the T

LOAD "ADJ4263B"

.

\Program

5

4

Return

Installation

".

able 1-2 for the

5

4

Enter

).

(or

Adjustments 2-5