Tektronix WFM2200A User manual

WFM2300 and WFM2200A

Multiformat Multistandard Waveform Monitors

User Manual

*P077086500*

077-0865-00

WFM2300 and WFM2200A

Multiformat Multistandard Waveform Monitors

User Manual

www.tektronix.com

077-0865-00

This document supports software version 2.9.2 and above.

Copyright

©

or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products

are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all

previously published material. Specifications and price change privileges reserved.

TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc.

14150 SW Karl Braun Drive

P.O. Box 500

Beaverton, OR 97077

USA

For product information, sales, service, and technical support:

■

In North America, call 1-800-833-9200.

■

Worldwide, visit www.tektronix.com to find contacts in your area.

Warranty

Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one

(1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at

its option, either will repair the defective product without charge for parts and labor, or will provide a replacement

in exchange for the defective product. Parts, modules and replacement products used by Tektronix for warranty

work may be new or reconditioned to like new performance. All replaced parts, modules and products become the

property of Tektronix.

In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration

of the warranty period and make suitable arrangements for the performance of service. Customer shall be

responsible for packaging and shipping the defective product to the service center designated by Tektronix, with

shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a

location within the country in which the Tektronix service center is located. Customer shall be responsible for

paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate

maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage

resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;

b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any

damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been

modified or integrated with other products when the effect of such modification or integration increases the time

or difficulty of servicing the product.

THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THE PRODUCT IN LIEU OF ANY

OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY

IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND

EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.

TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE

VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

[W2 – 15AUG04]

Table of Contents

Important safety information .............................................................................................................. xi

General safety summary ................................................................................................................ xi

Service safety summary ................................................................................................................ xv

Terms in the manual .................................................................................................................... xvi

Terms on the product ................................................................................................................... xvi

Symbols on the product ............................................................................................................... xvi

Compliance Information .................................................................................................................. xvii

EMC compliance ........................................................................................................................ xvii

Safety compliance ....................................................................................................................... xxi

Environmental compliance ........................................................................................................ xxiv

Preface ........................................................................................................................................... xxvii

Getting started

Introduction .................................................................................................................................... 1

Product description ......................................................................................................................... 1

Key features ............................................................................................................................... 2

Options and optional accessories .................................................................................................... 4

Instrument options ..................................................................................................................... 4

Optional accessories .................................................................................................................. 5

International power cord options ............................................................................................... 5

Service options .......................................................................................................................... 6

Installation ...................................................................................................................................... 6

Power requirements ................................................................................................................... 7

Connect power ........................................................................................................................... 8

Power-on and power-off procedures ....................................................................................... 12

Tripod installation ................................................................................................................... 13

SFP module installation and removal (requires option SFP) .................................................. 14

Video system installation ........................................................................................................ 16

To test cable margins (WFM2300 only) ................................................................................. 17

To genlock the SDI output test signal to the external reference signal ................................... 18

Configure the network interface ................................................................................................... 18

Configure the IP address ......................................................................................................... 18

Enable the web remote interface ............................................................................................. 20

Configure and enable SNMP control ...................................................................................... 20

Incoming inspection ..................................................................................................................... 22

Basic turn on and self test ........................................................................................................ 22

WFM2300 and WFM2200A Waveform Monitors User Manual i

Front panel test ........................................................................................................................ 22

Fan test .................................................................................................................................... 23

Storing or shipping the instrument ............................................................................................... 23

To repackage the Li-Ion battery pack for shipment ................................................................ 23

To repackage the instrument for shipment .............................................................................. 24

Getting acquainted with your instrument

Front-panel controls ...................................................................................................................... 25

Three levels of control ............................................................................................................. 25

Scope of controls ..................................................................................................................... 25

Layout and usage ..................................................................................................................... 26

Online help ................................................................................................................................... 29

To navigate online help ........................................................................................................... 29

Instrument display ........................................................................................................................ 30

Supported displays .................................................................................................................. 30

To select a display ................................................................................................................... 30

Pop-up menus .......................................................................................................................... 31

To set display parameters ........................................................................................................ 31

DISPLAY SELECT button ..................................................................................................... 32

Status bar ................................................................................................................................. 34

Signal inputs ................................................................................................................................. 37

SDI signals .............................................................................................................................. 37

Multi in signals ........................................................................................................................ 37

External reference signals ....................................................................................................... 37

Dual link signals ...................................................................................................................... 38

Connectors .................................................................................................................................... 39

Connector configuration .......................................................................................................... 39

Signal outputs ............................................................................................................................... 40

SDI video output ..................................................................................................................... 40

AES audio output .................................................................................................................... 41

SFP module receiver - transceiver (Option SFP only) ............................................................ 41

Display modes

ANC data display (Option DATA only) ....................................................................................... 44

To access the ANC data display .............................................................................................. 44

Elements of the ANC data display .......................................................................................... 44

Measure pop-up menu (ANC data display) ............................................................................. 46

CONFIG menu ........................................................................................................................ 46

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ii WFM2300 and WFM2200A Waveform Monitors User Manual

To configure the watch list ...................................................................................................... 47

Arrowhead display ........................................................................................................................ 47

To access the arrowhead display ............................................................................................. 47

Elements of the arrowhead display ......................................................................................... 48

Gamut pop-up menu (Arrowhead display) .............................................................................. 49

CONFIG menu ........................................................................................................................ 49

Audio display ................................................................................................................................ 50

To access the audio display ..................................................................................................... 50

Elements of the audio display ................................................................................................. 50

Above-bar warning messages .................................................................................................. 51

In-bar warning messages ......................................................................................................... 51

Audio pop-up menu ................................................................................................................. 52

CONFIG menu ........................................................................................................................ 54

To adjust audio volume ........................................................................................................... 55

Bowtie display .............................................................................................................................. 55

To access the bowtie display ................................................................................................... 56

Elements of the bowtie display ............................................................................................... 56

Measure pop-up menu (Bowtie display) ................................................................................. 56

CONFIG menu ........................................................................................................................ 57

To position the bowtie trace .................................................................................................... 57

Datalist display (Option DATA only) .......................................................................................... 58

To access the datalist display .................................................................................................. 58

Elements of the datalist display ............................................................................................... 58

Datalist color coding ............................................................................................................... 59

Finding SAV and EAV in the active video stream ................................................................. 59

Measure pop-up menu (Datalist display) ................................................................................ 59

CONFIG menu ........................................................................................................................ 60

Diagnostics monitor display ......................................................................................................... 60

To access the diagnostics monitor display .............................................................................. 60

Elements of theDiagnostics monitor display ........................................................................... 60

Generator pop-up menu (Generator status display) ................................................................ 63

CONFIG menu ........................................................................................................................ 63

Diamond display ........................................................................................................................... 64

To access the diamond display ................................................................................................ 64

Elements of the diamond display ............................................................................................ 64

Gamut pop-up menu (Diamond display) ................................................................................. 65

CONFIG menu ........................................................................................................................ 65

External reference waveform display ........................................................................................... 66

To access the external reference waveform display ................................................................ 66

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WFM2300 and WFM2200A Waveform Monitors User Manual iii

Elements of the external reference waveform display ............................................................ 66

Waveform pop-up menu (External reference waveform display) ........................................... 67

CONFIG menu ........................................................................................................................ 67

To position the external reference waveform trace ................................................................. 67

Eye display (WFM2300 only) ...................................................................................................... 68

Elements of the eye display ..................................................................................................... 69

Eye display Pop-Up menu ....................................................................................................... 70

Usage notes .............................................................................................................................. 70

Generator status display ................................................................................................................ 70

To access the generator status display ..................................................................................... 70

Elements of theGenerator status display ................................................................................. 71

Generator pop-up menu (Generator status display) ................................................................ 72

CONFIG menu ........................................................................................................................ 75

Jitter display (WFM2300 only) .................................................................................................... 75

Elements of the jitter display ................................................................................................... 76

High-Pass filter ........................................................................................................................ 76

Lightning display .......................................................................................................................... 77

To access the lightning display ............................................................................................... 78

Elements of the lightning display ............................................................................................ 78

Vector pop-up menu (Lightning display) ................................................................................ 79

CONFIG menu ........................................................................................................................ 79

To position the lightning trace ................................................................................................. 79

LTC waveform display ................................................................................................................. 80

To access the LTC waveform display ..................................................................................... 80

Elements of the LTC waveform display .................................................................................. 80

Waveform pop-up menu (LTC waveform display) ................................................................. 81

CONFIG menu ........................................................................................................................ 81

To position the LTC waveform trace ...................................................................................... 81

Picture display .............................................................................................................................. 82

To access the picture display ................................................................................................... 82

Elements of the picture display ............................................................................................... 82

Picture pop-up menu ............................................................................................................... 83

CONFIG menu ........................................................................................................................ 84

Split diamond display ................................................................................................................... 85

To access the split diamond display ........................................................................................ 85

Elements of the split diamond display .................................................................................... 85

Gamut pop-up menu (Split diamond display) ......................................................................... 86

CONFIG menu ........................................................................................................................ 86

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iv WFM2300 and WFM2200A Waveform Monitors User Manual

Status displays .............................................................................................................................. 87

To select a status display ......................................................................................................... 87

AES channel status display ..................................................................................................... 88

Alarm status display ................................................................................................................ 89

ARIB status displays ............................................................................................................... 91

Audio control packet status display ......................................................................................... 91

Audio session status display .................................................................................................... 94

Auxiliary data status display ................................................................................................... 96

Dolby status display ................................................................................................................ 99

Error log status display .......................................................................................................... 101

SFP status display .................................................................................................................. 103

SDI status display (WFM2300 only) ..................................................................................... 104

Video session status display .................................................................................................. 106

Timing measure display .............................................................................................................. 109

To access the timing measure display ................................................................................... 109

Elements of the timing measure display ................................................................................ 110

Measure pop-up menu (Timing measure display) ................................................................. 111

Timing displays for simple versus complex timing .............................................................. 112

Vector display ............................................................................................................................. 113

To access the vector display .................................................................................................. 113

Elements of the vector display .............................................................................................. 114

Vector pop-up menu .............................................................................................................. 115

CONFIG menu ...................................................................................................................... 116

To position the vector trace ................................................................................................... 116

Waveform display ....................................................................................................................... 117

To access the waveform display ............................................................................................ 117

Elements of the waveform display ........................................................................................ 117

Waveform pop-up menu (Waveform display) ...................................................................... 118

CONFIG menu ...................................................................................................................... 119

MAG GAIN SWEEP and CURSOR buttons ........................................................................ 120

To position the waveform trace ............................................................................................. 120

Functions

Gain sweep and magnification ................................................................................................... 121

To set the gain ....................................................................................................................... 121

To set the sweep rate ............................................................................................................. 122

To set the horizontal (sweep) magnification ......................................................................... 123

Measurement cursors (Waveform display only) ........................................................................ 124

Cursor types ........................................................................................................................... 124

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WFM2300 and WFM2200A Waveform Monitors User Manual v

To display and adjust the cursors .......................................................................................... 124

Display capture (freeze) .............................................................................................................. 126

Remote screen capture ........................................................................................................... 126

Line select ................................................................................................................................... 127

Audio volume and source adjustment ........................................................................................ 128

To adjust the audio volume ................................................................................................... 128

To select the audio source ..................................................................................................... 129

Presets ......................................................................................................................................... 129

Preset groups ......................................................................................................................... 129

To save presets ...................................................................................................................... 130

To rename groups or presets ................................................................................................. 130

To recall presets ..................................................................................................................... 131

To export presets to a USB device ........................................................................................ 131

To import presets from a USB device ................................................................................... 133

Software upgrades

Before you begin ........................................................................................................................ 135

Software upgrade overview ........................................................................................................ 136

USB software installation ........................................................................................................... 137

Network software installation ..................................................................................................... 138

Verify the software and installed options ................................................................................... 140

Software installation troubleshooting ......................................................................................... 141

Monitoring the SDI physical layer (WFM2300 only)

Display types .............................................................................................................................. 143

Configuring physical layer settings ............................................................................................ 144

To set SMPTE 259-292-425 alarm thresholds ........................................................................... 145

To configure physical layer alarms ............................................................................................ 146

To make eye measurements ........................................................................................................ 146

Eye measurement set up ........................................................................................................ 147

To make manual eye measurements ...................................................................................... 147

To manually measure aberrations .......................................................................................... 148

To manually measure rise time using variable gain .............................................................. 149

To make automatic eye measurements .................................................................................. 150

To make jitter measurements ...................................................................................................... 150

To manually measure jitter .................................................................................................... 152

Taking cable loss measurements ................................................................................................ 153

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vi WFM2300 and WFM2200A Waveform Monitors User Manual

Alarms ........................................................................................................................................ 154

Possible alarm responses ....................................................................................................... 154

To set allowed alarm responses ............................................................................................. 155

To set alarm responses globally ............................................................................................ 155

To enable alarms ................................................................................................................... 155

To set limits or qualifications ................................................................................................ 156

Monitoring alarms ................................................................................................................. 156

Checking chroma-luma delay

Check chroma/luma delay using the Lightning display ............................................................. 159

Checking gamut

To set up gamut checks .............................................................................................................. 162

Checking RGB gamut ................................................................................................................. 162

Usage notes ............................................................................................................................ 164

Checking composite gamut ........................................................................................................ 165

Usage notes ............................................................................................................................ 165

Checking luma gamut ................................................................................................................. 166

Automating gamut checks .......................................................................................................... 166

ARIB content displays

To enable the ARIB content displays ......................................................................................... 168

ARIB status display .................................................................................................................... 168

ARIB STD-B 39 display ............................................................................................................. 169

ARIB STD-B 37 display and status screens ............................................................................... 171

ARIB STD-B 35 display and status screens ............................................................................... 173

ARIB TR-B 23 (1) display and status screens ............................................................................ 175

ARIB TR-B 23 (2) display and status screens ............................................................................ 176

ARIB TR-B 22 display and status screens ................................................................................. 178

Audio monitoring

To configure embedded audio inputs and alarms ....................................................................... 181

To display an audio input ........................................................................................................... 182

To check audio level and phase .................................................................................................. 182

To check audio level .............................................................................................................. 182

To check audio phase ............................................................................................................ 183

Usage notes ............................................................................................................................ 184

Table of Contents

WFM2300 and WFM2200A Waveform Monitors User Manual vii

To monitor embedded 16-channel audio .................................................................................... 185

To configure audio inputs for embedded 16-channel audio .................................................. 185

To set the audio input for embedded 16-channel audio ........................................................ 186

To quickly select channels 1-8 or 9-16 of the embedded audio ............................................ 186

To check surround sound ............................................................................................................ 187

Elements of the surround sound display ................................................................................ 188

Usage notes ............................................................................................................................ 189

Closed captioning (CC) teletext AFD and safe area compliance

Monitoring CC and teletext ........................................................................................................ 191

To configure CC and teletext ................................................................................................ 191

To view CC status and subtitles ............................................................................................ 192

To display CC ........................................................................................................................ 193

Usage notes ............................................................................................................................ 194

Monitoring for safe area compliance .......................................................................................... 194

To configure safe area graticules ........................................................................................... 194

To display safe area graticules .............................................................................................. 195

Usage notes ............................................................................................................................ 195

Monitoring for AFD compliance ................................................................................................ 196

To configure AFD graticules ................................................................................................. 196

Remote web interface

Web browser ............................................................................................................................... 197

Java applet .................................................................................................................................. 198

Java application .......................................................................................................................... 198

Network access ........................................................................................................................... 199

SNMP control ............................................................................................................................. 199

General information .................................................................................................................... 200

Screen resolution ................................................................................................................... 200

Multiple clients ...................................................................................................................... 200

Screen capture ....................................................................................................................... 200

Web interface and SNMP command conflicts ...................................................................... 200

Application examples

Timing a Studio: Using the traditional method .......................................................................... 201

Timing a Studio: Using the timing display method .................................................................... 202

To use the timing display to time a signal to a reference ...................................................... 203

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viii WFM2300 and WFM2200A Waveform Monitors User Manual

Timing a Studio: Timing multiple inputs to a router .................................................................. 204

To time the inputs to a router ................................................................................................ 204

Usage notes ............................................................................................................................ 205

Troubleshooting cable problems ................................................................................................ 206

Table of Contents

WFM2300 and WFM2200A Waveform Monitors User Manual ix

Table of Contents

x WFM2300 and WFM2200A Waveform Monitors User Manual

Important safety information

This manual contains information and warnings that must be followed by the user

for safe operation and to keep the product in a safe condition.

To safely perform service on this product, see the Service safety summary that

follows the General safety summary.

General safety summary

Use the product only as specified. Review the following safety precautions to

avoid injury and prevent damage to this product or any products connected to it.

Carefully read all instructions. Retain these instructions for future reference.

Comply with local and national safety codes.

For correct and safe operation of the product, it is essential that you follow

generally accepted safety procedures in addition to the safety precautions

specified in this manual.

The product is designed to be used by trained personnel only.

Only qualified personnel who are aware of the hazards involved should remove

the cover for repair, maintenance, or adjustment.

Before use, always check the product with a known source to be sure it is

operating correctly.

This product is not intended for detection of hazardous voltages.

Use personal protective equipment to prevent shock and arc blast injury where

hazardous live conductors are exposed.

While using this product, you may need to access other parts of a larger system.

Read the safety sections of the other component manuals for warnings and

cautions related to operating the system.

When incorporating this equipment into a system, the safety of that system is the

responsibility of the assembler of the system.

WFM2300 and WFM2200A Waveform Monitors User Manual xi

To avoid fire or personal

injury

Use proper power cord. Use only the power cord specified for this product and

certified for the country of use.

Use proper power cord. Use only the power cord specified for this product and

certified for the country of use. Do not use the provided power cord for other

products.

Use proper voltage setting. Before applying power, ensure that the line selector is

in the proper position for the source being used.

Ground the product. This product is grounded through the grounding conductor of

the power cord. To avoid electric shock, the grounding conductor must be

connected to earth ground. Before making connections to the input or output

terminals of the product, ensure that the product is properly grounded. Do not

disable the power cord grounding connection.

Ground the product. This product is indirectly grounded through the grounding

conductor of the mainframe power cord. To avoid electric shock, the grounding

conductor must be connected to earth ground. Before making connections to the

input or output terminals of the product, ensure that the product is properly

grounded. Do not disable the power cord grounding connection.

Power disconnect. The power switch disconnects the product from the power

source. See instructions for the location. Do not position the equipment so that it

is difficult to disconnect the power switch; it must remain accessible to the user at

all times to allow for quick disconnection if needed.

Power disconnect. The power cord disconnects the product from the power

source. See instructions for the location. Do not position the equipment so that it

is difficult to operate the power cord; it must remain accessible to the user at all

times to allow for quick disconnection if needed.

Use proper AC adapter. Use only the AC adapter specified for this product.

Connect and disconnect properly. Do not connect or disconnect probes or test

leads while they are connected to a voltage source. Use only insulated voltage

probes, test leads, and adapters supplied with the product, or indicated by

Tektronix to be suitable for the product.

Observe all terminal ratings. To avoid fire or shock hazard, observe all rating and

markings on the product. Consult the product manual for further ratings

information before making connections to the product. Do not exceed the

Measurement Category (CAT) rating and voltage or current rating of the lowest

rated individual component of a product, probe, or accessory. Use caution when

using 1:1 test leads because the probe tip voltage is directly transmitted to the

product.

Observe all terminal ratings. To avoid fire or shock hazard, observe all rating and

markings on the product. Consult the product manual for further ratings

information before making connections to the product.

Do not apply a potential to any terminal, including the common terminal, that

exceeds the maximum rating of that terminal.

Do not float the common terminal above the rated voltage for that terminal.

The measurement terminals on this product are not rated for connection to mains

or Category II, III, or IV circuits.

Important safety information

xii WFM2300 and WFM2200A Waveform Monitors User Manual

Do not operate without covers. Do not operate this product with covers or panels

removed, or with the case open. Hazardous voltage exposure is possible.

Avoid exposed circuitry. Do not touch exposed connections and components when

power is present.

Do not operate with suspected failures. If you suspect that there is damage to this

product, have it inspected by qualified service personnel.

Disable the product if it is damaged. Do not use the product if it is damaged or

operates incorrectly. If in doubt about safety of the product, turn it off and

disconnect the power cord. Clearly mark the product to prevent its further

operation.

Before use, inspect voltage probes, test leads, and accessories for mechanical

damage and replace when damaged. Do not use probes or test leads if they are

damaged, if there is exposed metal, or if a wear indicator shows.

Examine the exterior of the product before you use it. Look for cracks or missing

pieces.

Use only specified replacement parts.

Replace batteries properly. Replace batteries only with the specified type and

rating.

Recharge batteries properly. Recharge batteries for the recommended charge

cycle only.

Use proper fuse. Use only the fuse type and rating specified for this product.

Wear eye protection. Wear eye protection if exposure to high-intensity rays or

laser radiation exists.

Do not operate in wet/damp conditions. Be aware that condensation may occur if a

unit is moved from a cold to a warm environment.

Do not operate in an explosive atmosphere.

Keep product surfaces clean and dry. Remove the input signals before you clean

the product.

Provide proper ventilation. Refer to the manual's installation instructions for

details on installing the product so it has proper ventilation.

Slots and openings are provided for ventilation and should never be covered or

otherwise obstructed. Do not push objects into any of the openings.

Provide a safe working environment. Always place the product in a location

convenient for viewing the display and indicators.

Avoid improper or prolonged use of keyboards, pointers, and button pads.

Improper or prolonged keyboard or pointer use may result in serious injury.

Be sure your work area meets applicable ergonomic standards. Consult with an

ergonomics professional to avoid stress injuries.

Use care when lifting and carrying the product. This product is provided with

handles for lifting and carrying.

Important safety information

WFM2300 and WFM2200A Waveform Monitors User Manual xiii

WARNING. The product is heavy. To reduce the risk of personal injury or damage

to the device get help when lifting or carrying the product.

WARNING. The product is heavy. Use a two-person lift or a mechanical aid.

Use only the Tektronix rackmount hardware specified for this product.

Probes and test leads

Before connecting probes or test leads, connect the power cord from the power

connector to a properly grounded power outlet.

Keep fingers behind the finger guards on the probes.

Remove all probes, test leads and accessories that are not in use.

Use only correct Measurement Category (CAT), voltage, temperature, altitude,

and amperage rated probes, test leads, and adapters for any measurement.

Beware of high voltages. Understand the voltage ratings for the probe you are

using and do not exceed those ratings. Two ratings are important to know and

understand:

■

The maximum measurement voltage from the probe tip to the probe reference

lead.

■

The maximum floating voltage from the probe reference lead to earth ground.

These two voltage ratings depend on the probe and your application. Refer to the

Specifications section of the manual for more information.

WARNING. To prevent electrical shock, do not exceed the maximum measurement

or maximum floating voltage for the oscilloscope input BNC connector, probe

tip, or probe reference lead.

Connect and disconnect properly. Connect the probe output to the measurement

product before connecting the probe to the circuit under test. Connect the probe

reference lead to the circuit under test before connecting the probe input.

Disconnect the probe input and the probe reference lead from the circuit under

test before disconnecting the probe from the measurement product.

Connect and disconnect properly. De-energize the circuit under test before

connecting or disconnecting the current probe.

Connect the probe reference lead to earth ground only.

Do not connect a current probe to any wire that carries voltages above the current

probe voltage rating.

Inspect the probe and accessories. Before each use, inspect probe and accessories

for damage (cuts, tears, or defects in the probe body, accessories, or cable jacket).

Do not use if damaged.

Important safety information

xiv WFM2300 and WFM2200A Waveform Monitors User Manual

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