User Manual WFM 90 & WFM 91 Handheld Waveform, Vector, Picture, & Audio Monitor 070-8968-05 This document supports firmware version 1.00 and above. Copyright © Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A. Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070­1000 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc. WARRANTY 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 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. Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If a 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. Table of Contents Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i vii ix Getting Started Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description of Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rasterized Color LCD Display . . . . . . . . . . . . . . . . . . . . . . Battery or AC Adapter Operation . . . . . . . . . . . . . . . . . . . . Menu-Assisted Monitoring Operation . . . . . . . . . . . . . . . . . Video and Audio Input/Output . . . . . . . . . . . . . . . . . . . . . . . Waveform Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . Vector Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Picture Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Audio Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Waveform-in-Picture Display Mode . . . . . . . . . . . . . . . . . . Line Select Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Time-Out Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amplitude Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preset Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instrument Readjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­1 1­1 1­1 1­2 1­2 1­2 1­3 1­3 1­3 1­4 1­4 1­4 1­4 1­5 1­5 1­5 1­5 1­5 1­6 Options and Accessories Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­7 1­8 1­8 1­8 1­8 WFM 90 & WFM 91 User Manual i Table of Contents Installation Instrument Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Packaging for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . Travel Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Battery Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Battery Installation and Removal . . . . . . . . . . . . . . . . . . . . . Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Viewing Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Desk Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­9 1­9 1­9 1­10 1­12 1­12 1­12 1­13 1­15 1­15 1­16 Operation Basics Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Keypad Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Display Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Arrow Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instrument Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side-Panel Connectors and Switches . . . . . . . . . . . . . . . . . . . . . Video Input and Output Connectors . . . . . . . . . . . . . . . . . . Audio Input and Output Connectors . . . . . . . . . . . . . . . . . . DC Power Input Connector . . . . . . . . . . . . . . . . . . . . . . . . . Special Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amplitude Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . Variable Gain Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Time-Out Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On-Screen Readout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­1 2­1 2­1 2­1 2­3 2­3 2­4 2­4 2­4 2­5 2­6 2­6 2­6 2­7 2­7 2­7 2­8 ii WFM 90 & WFM 91 User Manual Table of Contents Readout Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­8 Tutorial Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Initial Equipment Connections . . . . . . . . . . . . . . . . . . . . . . Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2­11 2­12 2­12 Reference Using the Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Menu Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . Entering and Exiting Menus . . . . . . . . . . . . . . . . . . . . . . . . Making Menu Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Waveform Display Mode Operating Menu . . . . . . . . . . . . . Vector Display Mode Operating Menu . . . . . . . . . . . . . . . . Audio Display Mode Operating Menu . . . . . . . . . . . . . . . . Picture Display Mode Operating Menu . . . . . . . . . . . . . . . . WIP Display Mode Operating Menu . . . . . . . . . . . . . . . . . . Configuration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Configuration Menu DISPLAY Category . . . . . . . . . . . . . . Configuration Menu INTENS Category . . . . . . . . . . . . . . . Configuration Menu INPUT Category . . . . . . . . . . . . . . . . Configuration Menu VAR GAIN Category . . . . . . . . . . . . . Configuration Menu VECTOR Category . . . . . . . . . . . . . . Configuration Menu PICTURE Category . . . . . . . . . . . . . . Configuration Menu TIME-OUT Category . . . . . . . . . . . . . Configuration Menu ALARMS Category . . . . . . . . . . . . . . Configuration Menu PRESETS Category . . . . . . . . . . . . . . Line Select Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­1 3­1 3­1 3­1 3­2 3­2 3­2 3­3 3­3 3­3 3­4 3­4 3­4 3­5 3­5 3­5 3­6 3­6 3­7 3­7 3­8 Making Measurements Waveform Graticule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Horizontal Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vertical Scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Making Waveform Measurements . . . . . . . . . . . . . . . . . . . . . . . 3­9 3­9 3­10 3­11 WFM 90 & WFM 91 User Manual iii Table of Contents Standard Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . Peak White . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC Restorer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vector Graticule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chrominance Vector Targets . . . . . . . . . . . . . . . . . . . . . . . . Differential Phase and Gain Measurement Box . . . . . . . . . . Making Vector Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . Chroma Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Audio Graticule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Making Audio Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . Signal Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­11 3­11 3­11 3­11 3­13 3­14 3­14 3­14 3­15 3­16 3­16 3­16 3­16 Appendices Appendix A: Performance Specification . . . . . . . . . . . . . . . . Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix B: User Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Display Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A­1 A­1 A­2 B­1 B­1 B­1 B­1 B­1 B­2 B­2 B­2 Index iv WFM 90 & WFM 91 User Manual Table of Contents List of Illustrations Figure 1­1: Packing the Option 33 travel case . . . . . . . . . . . Figure 1­2: Installed polarity of alkaline batteries . . . . . . . Figure 1­3: Removing the NiCad battery pack . . . . . . . . . . Figure 1­4: Installing the viewing hood . . . . . . . . . . . . . . . . . Figure 1­5: Installing the desk stand . . . . . . . . . . . . . . . . . . . Figure 2­1: WFM 90 keypad . . . . . . . . . . . . . . . . . . . . . ...