HP Hewlett Packard Video Game Keyboard 00974 90002 User Manual

HP 974A Multimeter

User’s Guide

Part Number 00974-90002

March 1995

HP 974A Multimeter

Table of Contents

Safety Summary . . . . . . . . . . . . . . . 1-4

Safety Symbols . . . . . . . . . . . . . . 1-4

Maximum Overvoltage Limitations . . . 1-5

Probes and Test Leads . . . . . . . . . 1-6

Specifications . . . . . . . . . . . . . . . . 1-17

General . . . . . . . . . . . . . . . . . . . 1-17

DC Voltage . . . . . . . . . . . . . . . . . 1-17

AC Voltage . . . . . . . . . . . . . . . . 1-17

AC + DC Voltage . . . . . . . . . . . . . 1-18

DC Current, AC Current . . . . . . . . . 1-18

Resistance . . . . . . . . . . . . . . . . . 1-19

Continuity . . . . . . . . . . . . . . . . . . 1-19

Diode . . . . . . . . . . . . . . . . . . . . 1-19

Frequency (AC Coupled) . . . . . . . . . 1-19

Temperature . . . . . . . . . . . . . . . . 1-20

dBm . . . . . . . . . . . . . . . . . . . . . 1-20

Operation . . . . . . . . . . . . . . . . . . . 1-7

Terminals, Shutter, & Test Leads . . . 1-7

Function Switch . . . . . . . . . . . . . . 1-8

Function Keys . . . . . . . . . . . . . . . 1-9

Function Keys/Function Switch Matrix . . 1-12

Display . . . . . . . . . . . . . . . . . . . 1-13

Audio . . . . . . . . . . . . . . . . . . . . 1-13

Calibration and Adjustment . . . . . . . . 1-14

Required Test Equipment . . . . . . . . 1-14

Calibration Procedure . . . . . . . . . . 1-14

Adjustments . . . . . . . . . . . . . . . . . 6-1

Calibration Table . . . . . . . . . . . . . . . 6-2

Maintenance . . . . . . . . . . . . . . . . . 1-15

Battery Replacement . . . . . . . . . . . 1-15

Fuse Replacement . . . . . . . . . . . . 1-15

Troubleshooting . . . . . . . . . . . . . . 1-16

Cleaning . . . . . . . . . . . . . . . . . . 1-16

Replaceable Parts/Accessories . . . . . 1-16

Replaceable Parts/Accessories . . . . . . 6-4

Disassembly . . . . . . . . . . . . . . . . 6-5

Declaration of Conformity

1-3

Safety Summary

The CAUTIONS and WARNINGS which appear on the following pages must be followed to

ensure operator safety and to retain the operating condition of the Multimeter.

1. Do not use this product beyond its specifications or for uses not intended for this product

as identified by the product functions, ranges, and hazards as indicted below.

2. To minimize possible electric shock hazard condition, connect only two leads at any one

time to any of the multimeter terminals.

3. To prevent possible electric shock hazard condition when using the current function, do not

leave one probe connected to the circuit under test and the other probe disconnected,

exposed, and readily accessible (touchable).

Safety Symbols

Indicates the operator must refer to an explanation in this manual.

Indicates terminals at which dangerous voltages may exist.

WARNING

TO AVOID ELECTRICAL SHOCK or damage to the multimeter, do not apply more than

±1000 Vdc or 1000 Vrms between any terminal and earth ground. Use caution when working with

voltages above 60 Vdc or 42 Vpeak. Ensure test leads are in good condition.

WARNING

POSSIBLE ELECTRICAL SHOCK. Do not make measurements if the case is damaged or the

rear cover is removed. Remove all electrical inputs before removing the rear cover.

WARNING

POSSIBLE ELECTRICAL SHOCK or FIRE HAZARD. Do not expose this multimeter to rain or

moisture. Do not operate the multimeter in the presence of flammable gases or fumes.

1-4

Safety Summary

WARNING

POSSIBLE ELECTRICAL SHOCK. Calibration and performance tests are to be performed by

qualified personnel only. Do not attempt calibration or test procedures unless qualified to do so.

CAUTION

To avoid damage to the multimeter for inputs above 250 Vdc or Vac, disconnect the test leads

before changing functions. Do not exceed the maximum input limits.

Maximum Overvoltage Limitations (AC and DC Voltage Functions)

1000V

MAX indicates the maximum voltage between input terminals and earth is ± 1000 V (dc or ac rms).

Do not use the multimeter on any ACV circuit where the maximum impulse overvoltage may

be more than 4000Vpk or any DCV circuit where the maximum impulse overvoltage may be

more than 2500Vpk between the COM and VOLT terminals. Excessive impulse overvoltage

can damage the multimeter voltage functions. Do not measure branch circuits (CAT II) over

600V to earth or service panel circuits (CAT III) over 300V to earth.

1-5

Safety Summary

Function

Maximum Operating Input

± 10 A (dc or ac rms) / 600 V

± 500 mA (dc or ac rms) / 250 V

10 A

mA or µA

Resistance, Diode Test,

Temperature, Continuity

500 V (dc or ac rms)

Frequency

(10 Hz to 9.999 kHz)

(9 kHz to 200 kHz)

500 Vrms

100 Vrms

± 1000 Vdc or 750 Vrms

Probes and Test Leads

1. Always inspect probes before use. Do not use test leads whose insulation has cuts,

cracks, or other damage that may result in reduced electric shock protection.

2. Keep insulation surface clean between the probe tip connector and the finger guards.

3. If probes other than the ones specified are to be used with the multimeter, be sure the

probes and their leads are rated for the voltage and current to which they will be subjected.

Do not exceed the voltage ratings for the multimeter.

4. Probes supplied with this multimeter are rated for use up to 1000Vrms or Vdc.

1-6

Operation

Terminals, Shutter, & Test Leads

SAFETY SHUTTER

Slide up to open shutters

for current measurement

inputs. Must have the

function switch in one of

the Current Measurement

positions to open shutter.

Close shutter to change

function switch to any

other measurement

function.

RED LEAD

DC & AC Voltage,

Diode, Resistance,

Frequency, Temperature, dBm

and Continuity Measurements

RED LEAD

Current Measurements

(0 A to 10 A)

RED LEAD

Current Measurements

(0 to 400 mA)

BLACK LEAD

COMMON

ALL Measurements

1-7

Operation

Function Switch

Switch

Position

Display

DC Current

(1 mA to 10 A)

AC Current

(1 mA to 10 A)

10A

DC Current

AC Current

500 mA

50 mA

(10 µA to 0.5 A)

DC Current

(1 µA to 0.05 A)

AC Current

(1 µA to 0.05 A)

DC Current

AC Current

500 µA

(0.01 µA to 0.5 mA) (0.01 µA to 0.5 mA)

Diode Test

Auto Diode Test

Resistance

( 0.01 Ω to 50 MΩ)

Continuity

(alarm at < 100 Ω)

Temperature in °F

(-112° F to 302° F)

Temperature in °C

(-80° C to 150° C)

Ω

DC Millivolts

(10 µV to 500 mV)

DC Volts

(100 µV to 1000 V)

AC + DC Volts

(1 mV to 750 V)

AC Volts

(1 mV to 750 V)

Frequency

(10 Hz to 200 kHz)

Frequency and Volts

(10 Hz to 200 kHz)

dBm

(-59.94 dBm to 62.22 dBm)

Voltage and frequency readings alternate on display

1-8

Operation

Function Keys

Power

Automatic power off after 30 minutes. Alarm sounds 30 seconds before automatic power off.

Press any key or change any function to cancel automatic power off. Defeat automatic power

off by holding

key for 2 seconds while applying power.

Relative/Percent

Press

Action

Main Display

Secondary Display

Makes the displayed measurement

the reference

Each measured value relative to

the reference value (difference)

Range

Each measured value as a

percent change of the reference

value

Calculates the percentage change

from the reference

Range

Cancels the Relative/% function

Measurement value

Perform a zero adjust when using the 500 Ω range and displayed value is less than 99 by shorting the test

leads and pressing this key. Cycle power to erase the stored zero adjustment.

1-9

Operation

Minimum/Maximum

Press

Action

Main Display

Secondary Display

Begin recording of min, max, and avg

values

Each measured value

Elapsed time

Display recorded maximum

Display recorded minimum

Maximum measurement

Minimum measurement

Calculated average

Time of Maximum

Time of Minimum

Elapsed time

Display recorded average

Display last recorded measurement

Latest measurement

Elapsed time

Pause recording of minimum and

maximum values

Last measured value

Total elapsed time

Resume recording of minimum and

maximum values

Each measured value

Elapsed time

Press and hold 1 second to cancel

Automatic power off is disabled when Min/Max is selected.

Time is recorded and displayed in minutes and seconds up to 99’ 59". After 99’ 59" time is recorded and

displayed in minutes up to the maximum recording time of 1999 minutes. Recording will stop at the

maximum time.

Average is computed from all readings during elapsed time.

Average

Press

Action

Main Display

Secondary Display

Makes the displayed measurement the

average of the last eight measurements

Average value of last eight

measurements

Range

Disables the averaging of measurements

Each measurement

Range

1-10

Operation

Hold/Auto-Hold

Press

Action

Main Display

Secondary Display

Holds the measurement value in the

display

Measurement value when

hold pressed

Range

Enters Auto-Hold function

Input value

Range

Cancels Hold function

Measurement value

Auto-Hold Operation. When measurement becomes stable, multimeter will beep and save the

stable reading. Removing probe from measurement circuit will display and hold the last stable reading.

Range

Press

Action

Main Display

Secondary Display

Changes from auto-ranging to manual

ranging

Measurement value

Range

Change manual range UP once with

Measurement value

Range

each keypress

Returns to auto-ranging when key is held

for 1 second

When upper range is reached, the sequence begins again at the lowest range.

Select

Press this key to use the functions indicated in yellow on the multimeter. See table on page 1- 8.

Hold this key to test display when turning meter on.

1-11

Operation

Function Keys and Function Switch Matrix

Function

Relative

Min/Max

Average

Data Hold Auto-Hold

Range

(Percent)

µA, mA, 10A

•

Ω

•

°F, °C

•

Hz+V

•

dBm

Invokes zero adjust when display is less than 99.

Changes input attenuator, frequency is always auto range.

Secondary display shows elapsed time (in seconds and minutes).

1-12

Operation

Display

Low Battery indicator

Replace batteries when on.

Secondary Display

Shows:

Range (most functions)

except for

Elapsed time (Min/Max)

Main Display

(Not all annunciators shown)

Number of digits is set by range and function

Displays O.L to indicate an overload condition

Entire display flashes if input overvoltage

Audio

Power on

First beep at power on.

Second beep when beginning to make measurements.

Single beep

Indicates any valid function key press.

Indicates a new High or Low value recorded when in Min/Max function.

Steady repeating beep

Indicates when measurement is steady when using Auto-Hold function.

Rapid repeating beeps

Indicates wrong input terminals used for function selected.

Indicates an overload condition at the measurement terminals.

Continuous tone

Indicates a resistance of < 100 Ω when using the Continuity function.

Auto Power Off

Pairs of beeps for 30 seconds.

Long beep just before power off.

Cancel by changing function switch position or pressing any key.

1-13

Calibration and Adjustment

Required Test Equipment

The source used for the calibration should have an output accuracy as good or better than

that listed in the specifications.

Calibration Procedure

Environmental range for calibration: 23° C ± 5° C, < 80% RH

Calibration interval: 6 Months

Disconnect all inputs from the multimeter and open the case as described on page 6-5.

Install new batteries (described below) and close the cover. Turn the multimeter on and allow a

30 minute warm-up. Open the case.

Set the multimeter function and range and the source output to the values specified at each step

in the calibration table on page 6-2.

When appropriate, make the adjustments indicated in the calibration table to bring the multimeter

display within the limits.

CAUTION

Dangerous voltages are present during the calibration procedure. Calibration should only be

performed by qualified service technicians Use a non-conductive adjustment tool.

1-14

Maintenance

Operator protection from electric shock hazard is provided by a double insulated enclosure.

Refer to pages 1-4 and 1-5 for maximum voltage specifications. When servicing, use only

specified replacement parts.

Battery Replacement

Replace the battery when the symbol appears in the display or before calibration. Replace

both batteries at the same time. Use high-quality type AA alkaline (IEC LR6) batteries.

Remove the batteries if the multimeter is to be stored for extended periods of time. Refer to

the disassembly drawing on page 6-5.

Fuse Replacement

Fuse locations are shown in the diagram on page 6-5. Fuses are listed in the replaceable part

list on page 6-4.

CAUTION

For continued protection use only the specified manufacturers part number or HP part number

fuse for replacement purposes.

1-15

Maintenance

Troubleshooting

Problem

Possible Cause

Dead Batteries

Suggested Action

Replace batteries

Unit won’t turn on

Unit won’t turn off

Input limit exceeded

Remove test leads and press any key to reset.

Display flashes and Rapid

beeps

Input limit exceeded

Battery Annunciator on

Low battery voltage

Replace batteries

Replace fuse(s)

Unable to measure current

Blown input protection fuse

10 A or mA - µA

Cleaning

Wipe instrument with a soft rag dampened with soap and water. Do not immerse in water.

Do not use chemical cleansers or solvents.

Replaceable Parts/Accessories

Refer to the disassembly diagram on page 6-5.

1-16

Specifications

Calibration period: six months minimum. Specifications apply at 23°C ± 5°C, < 80% RH

Accuracy = ± (% of reading + number of digits)

Temperature Coefficient = Accuracy 0.1/° C (0° C to 18° C; 28° C to 55° C)

General

Do not expose product to moisture or rain. Do not use product in flammable atmosphere.

Operating Temperature: 0° to 40°C / 80% RH max (no condensation).

Storage Temperature: -25°C to 60°C / 20% to 70°C RH (no condensation).

Display reading rate: Approximately 2 — 4 times/second

Display rate for frequency measurements: Approximately 1 times/second

Battery life: Approximately 120 hours on DCV

DC Voltage

Range

Resolution

10 µV

100 µV

1 mV

Accuracy

Input Resistance

> 1000 MΩ

11 MΩ (nominal)

500 mV

5 V

± (0.05% + 2)

50 V

500 V

1000 V

10 mV

10 MΩ (nominal)

100 mV

Normal Mode Rejection Ratio: (NMR) > 60 dB @ 50 or 60 Hz

Effective Common Mode Rejection Ratio (CMR) 1 kΩ imbalance: > 120 dB @ 50 or 60 Hz

AC Voltage (RMS responding, calibrated to display rms)

Accuracy

Input

Impedance

(nominal)

Range Resolution

20 Hz to

50 Hz

50 Hz to

10 kHz

10 kHz to

30 kHz

30 kHz to

50 kHZ

50 kHz to

100 kHz

500 mV

5 V

Not Specified

10 µV

100 µV

1 mV

± (0.7% +30) ± (2% + 50)

11 M Ω

< 50 pF

± (1% + 30)

50 V

± (0.5% + 30) ± (1% + 40) ± (2% + 70) ± (3% + 300)

10 M Ω

500 V

750 V

10 mV

100 V

< 50 pF

Not Specified

± (1% + 30) 20 Hz to 1 kHz

1-17

Specifications

AC + DC Voltage (rms responding, computed from acV, dcV)

Accuracy

Range

Resolution

DC, 20 Hz to

10 kHz

DC, 10 kHz to DC, 30 kHz to

DC, 50 kHz to

100 kHz

30 kHz

50 kHZ

5 V

50 V

500 V

1 mV

10 mV

100 mV

± (1% + 30)

± (1.2% + 40)

± (2.5% + 70)

± (3.5% + 300)

± (1% + 30)

750 V

1 V

Not Specified

DC, 20 Hz to 1 kHz

Measurement range:

500 mV to 500 V ranges 20 Hz to 30 kHz

5% to 100% of range

30 kHz to 100 kHz 10% to 100% of range

75 V to 750 V

750 V range

Response time: < 2 seconds for AC, 5 seconds for AC+DC on fixed range

Crest factor: <3

Common Mode Rejection Ratio (CMR) 1 k Ω imbalance: > 60 dB @ DC to 60 Hz

DC Current, AC Current (40 Hz to 1 kHz), 5% to 100% of range

DC Current

Accuracy

AC Current

Accuracy

Input

Resistance

Maximum

Input

Range

Resolution

10 nA

1 µA

10 µA

1 mA

500 µA

50 mA

500 mA

10 A

< 1050 Ω

< 12 Ω

< 2.5 Ω

< 0.05 Ω

0.5 A (fused)

15 A (fused)

± (0.3% + 2)

± (0.7% + 2)

± (1% + 20)

1-18

Specifications

Resistance

Max

Open Circuit

Voltage

Range

Resolution

Accuracy

Test Current

500 Ω

5.0 kΩ

50 kΩ

10 mΩ

100 mΩ

1Ω

± (0.06% + 2)

< 5.5 V

< 2.2 V

< 800 µA

± (0.06% + 2)

< 80 µA

< 15 µA

< 1.5 µA

< 150 nA

500 kΩ

5.0 MΩ

50 MΩ

10 Ω

100 Ω

1 kΩ

± (0.5% + 1)

± (1.0% + 2)

After zero adjust of input leads. Zero adjust range up to 0.99 Ω.

Response time: 500 Ω to 500 kΩ — < 2 seconds, 5 MΩ to 50 MΩ — < 10 seconds.

Continuity

Measurement Current: 0.8 mA maximum

Open circuit voltage: < 5.5 Vpeak

Displayed resistance: 0 Ω to 499.99 Ω

Input protection: 500 Vrms (sinewave)

Alarm: Tone when input < 100 Ω ± 50 Ω

Resolution: 10 mΩ (<100 mSec response time)

Diode

Measurement current: +1.0 mA nominal @ 0.6 V Open circuit voltage: < 5.5 Vpeak

Displayed Voltage: 0 V to 4.999 V

Accuracy: ± (1% + 2)

Input protection: 500 Vrms (sinewave)

Resolution: 100 µV

Frequency (AC Coupled)

Frequency Range

10 Hz to 99.99 Hz

90 Hz to 999.0 Hz

900 Hz to 9.999 Hz

9.00 kHz to 99.99 kHz

90 kHz to 200 kHz

Resolution

0.01 Hz

0.1 Hz

Accuracy

Input Voltage (rms)

0.45 mV to 500 V

1 Hz

± (0.05% + 1)

10 Hz

.7 V to 100 V

1.5 V to 100 V

100 Hz

1-19

Specifications

Temperature (5 kΩ @ 25°C Thermistor probe)

°C

°F

-112° to 302°

0.1°

Measurement Range

Resolution

-80° to 150°

0.1°

Accuracy

± 0.2°

± 0.4°

Accuracy does not include 5 k Ω Thermistor error

dBm 600 Ω 1 mW reference (rms responding, computed from AC Voltage)

Accuracy

Input dBm

Input Voltage

20 Hz to

10 kHz

10 kHz to

30 kHz

30 kHz to

50 kHz

50 kHz to

100 kHz

-29.82 dBm to

-23.80 dBm

25 mV to 50 mV

50 mV to 499.99 mV

0.5 V to 450.00 V

450 V to 750 V

± 0.2 dBm

± 0.50 dBm

Not specified

-23.80 dBm to

-3.80 dBm

± 0.15 dBm ± 0.30 dBm

± 0.10 dBm ± 0.20 dBm

-3.80 dBm to

55.28 dBm

± 0.5 dBm ± 1.00 dBm

55.28 dBm to

59.72 dBm

± 0.15 dBm

Not specified

to 1kHz

Dynamic range: -59.94 dBm to 59.72 dBm (0.8 mV to 750 V),

Accuracy not specified below -29.82 dBm (25 mV)

Display reads OL (overload) outside dynamic range

1-20

Adjustments

6-1

Calibration Table

CAUTION

Dangerous voltages are present during the calibration procedure. Calibration should only be

performed by qualified service technicians using a non-conductive tool.

Adjustment

Tolerance

(counts)

Step

Function

Range

Input Signal

(limit)

—

Short

480.0 mV

-480.0 mV

48.000 V

±2

±26

±7

500 mV

1 (±2)

—

500 mV

2 (±2)

—

50 V

-48.000 V

4.800 V

5 V

3 (±2)

RV4 (±2)

RV5 (±1)

6 (±10)

500 V

1000 V

480.00 V

1000 V

4.8000 V @ 200 Hz

±270

5 V

0.2500 V @ 200 Hz

480.0 mV @ 200 Hz

480.00 V @ 10 kHz

480.00 V @ 100 kHz

480.00 V @ 200 Hz

4 .8000 V @ 10 kHz

4 .8000 V @ 100 kHz

7 (±5)

8 (±10)

C1 (±20)

—

±42

±366

±270

±1740

±270

±1740

10*

500 mV

500 V

5 V

—

C2 (±20)

—

*Repeat steps 9 and 10.

6-2

Calibration Table

Tolerance

Adjustment

(limit)

Step

Function

Range

Input Signal

(counts)

±270

±1740

±270

±366

±105

±1

±30

±242

±482

±2

±146

±72

48.000 V @ 10 kHz

48.000 V @ 100 kHz

48.000 V @ 200 Hz

480.00 mV @ 10 kHz

750.0 V @ 200 Hz

Short

C3 (±20)

50 V

—

500 mV

750 V

zero adjust

500 Ω

480.00 Ω

4.8000 kΩ

48.000 kΩ

480.00 kΩ

4.8000 MΩ

48.000 MΩ

9 (±5)

—

5 kΩ

50 kΩ

500 kΩ

5 MΩ

—

Ω

—

50 MΩ

Short

—

500 µA

—

480.00 µA

48.000 mA

50 mA

40 mA

10 A

—

50 mA

500 mA

10 A

480.00 mA

—

10.000 A

10 (±10)

—

500 µA

50 mA

500 mA

10 A

500 µA

50 mA

500 mA

10 A

480.00 µA @ 200 Hz

48.000 mA @ 200 Hz

480.00 mA @ 200 Hz

10.00 A @ 200 Hz

0 Ω to 150 Ω

±500

±120

Tone < 100 Ω

±102

±5

—

500 Ω

5 V

1.000 V

—

5 V

9.000 kHz @ 1 Vrms

—

Perform zero adjustment using

key.

6-3

Replaceable Parts/Accessories

Refer to the disassembly diagram on page 6-5.

Call out

Description

HP Part Number

Fuse, 500 mA, 250 V fast blow Littlefuse 216-500

2110-0940

DO NOT SUBSTITUTE

Fuse, 15 A, 600 V fast blow Littlefuse KLK15

2110-0941

DO NOT SUBSTITUTE

MP1

MP2

MP3

Top case assembly

Dust/moisture seal

00974-64401

00971-64403

00974-64402

00971-86001

E2305A

Bottom case assembly (includes stand)

Rubber Boot

Replacement Test Leads, 2 pair

Temperature probe, 5 KΩ Thermistor

E2308A

Surface temperature sensor,

Thermistor ±0.1°C

40653B

E2304A

12" lead, requires dual banana plug

Soft Case

(fits meter with rubber boot)

Operator protection from electric shock hazard is provided by a double insulated enclosure. Refer to the Safety

Summary for maximum voltage specifications. When servicing, use only specified replacement parts.

6-4

Replaceable Parts/Accessories

Disassembly

WARNING

Always disconnect the test leads before opening the case.

6-5

DECLARATION OF CONFORMITY

according to ISO / IEC Guide 22 and EN 45014

Manufacturer’s Name:

Manufacturer’s Address:

Hewlett-Packard Company, Personal Measurements Operation

815 14th Street S.W., Loveland, Colorado 80537 U.S.A.

declares, that the products

Product Name:

Handheld Multimeter

HP 971A, HP 972A, HP 973A, HP 974A

None

Model Number:

Product Options:

conforms to the following Product Specifications:

Safety:

IEC 1010-01 (1990) Incl. Amend 1 (1992) / EN61010 (1993)

CSA C22.2 #1010.1 (1992)

UL 1244

EMC:

CISPR 11:1990 / EN55011 (1991): Group 1, Class A

IEC801-2:1991 / EN50082-1 (1992): 4 kV CD, 8 kV AD

IEC 801-3:1984 / EN50082-1 (1992): 3 V/m

IEC 801-4:1988 / EN50082-1 (1992): 0.5 kV Signal Lines

Supplemental Information: The product herewith complies with the requirements of the

Low Voltage Directive 73 / 23 / EEC and the EMC Directive 89 / 336 / EEC amended

by 93 / 68 / EEC (inclusive 93 / 68 / EEC) and carries the CE mark accordingly.

Loveland, Colorado

April 1, 1994

Jim White, QA Manager

European Contact: Your local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH,

Department ZQ / Standards Europe, Herrenberger Straβe 130, D-71034 Böblingen (FAX: +49-7031-143143).

Warranty/Service

Limited 3 Year Warranty

What is Covered

The HP 974A Multimeter is warranted by Hewlett-Packard against defects in materials and

workmanship for three years from the date of original purchase. If you sell your unit or give it as

a gift, the warranty is automatically transferred to the new owner and remains in effect for the

original three year period. During the warranty period, we will repair, or at our option, replace at

no charge, a product that proves to be defective, provided you return the product, shipping

prepaid, to a Hewlett-Packard service center.

What is Not Covered

This warranty does not apply if the product has been damaged by accident of misuse or as the

result of service or modification by other than an authorized Hewlett-Packard service center.

No other express warranty is given. The repair or replacement of a product is your exclusive

remedy. ANY OTHER IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS IS LIMITED

TO THE THREE YEAR DURATION OF THIS WRITTEN WARRANTY. Some states, provinces, or

countries do not allow the exclusion or limitation or incidental or consequential damages, so the

above limitation or exclusion may not apply to you.

The warranty gives you specific legal rights, and you may also have other rights which vary

from state to state, province to province, or country to country.

Service

Hewlett-Packard maintains service centers in many countries throughout the world. You may

have your unit repaired at a Hewlett-Packard service center any time it needs service, whether

the unit is under warranty or not. There is a charge for repairs after the warranty period. Repair

or replacement during the first 30 days after purchase will be provided by the sales channel.

After 30 days, contact the nearest service office.

Hewlett-Packard products normally are repaired and reshipped within five (5) working days of

receipt at any service center. This is an average time and could possibly vary depending upon

the time of year and work load at the service center. The total time you are without your unit will

depend largely on the shipping time.

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