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User Manual
764
Digital Audio Monitor
(Serial Number B020000 and Above)
070-8811-08
This document supports firmware version 2.1 and
above.
www.tektronix.com
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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. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
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Warranty Tektronix warrants that the 764 Digital Audio Monitor 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 pro- vide a replacement in exchange for the defective product. In order to obtain service under this warranty, Customer must notify Tektronix of the
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Table of Contents General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Contacting Tektronix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xii Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Unpacking . . . . .
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Table of Contents Features of the Session Display . . . . . . . . . . . . . . . . . . . . . 29 Session Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Session Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 The Channel Status View . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 The User Data View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Saving and Restoring Setups . . . . . . . . . . . . . . . .
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Contents Operating Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Changes to the Session Statistics Display . . . . . . . . . . . . . 92 Additional Error/Warning Messages . . . . . . . . . . . . . . . . . 92 Analog Line Output (Option 02) . . . . . . . . . . . . . . . . . . . . . . . 93 Configuring the Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 Connecting the Instrument . . . . . . . . . . . . . . . . . . . . . . . . 97 Power Cords . . . . . . . . . .
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Table of Contents Figure 21: The 764 phase display . . . . . . . . . . . . . . . . . . . . . . 27 Figure 22: The phase correlation meter . . . . . . . . . . . . . . . . . 28 Figure 23: The 764 AUDIO/SESSION view . . . . . . . . . . . . . 29 Figure 24: The SYNC ERR Flags . . . . . . . . . . . . . . . . . . . . . . 32 Figure 25: Sync Error Reporting in the Absence of a DAR . . 32 Figure 26: A short session report . . . . . . . . . . . . . . . . . . . . . . 34 Figure 27: Additional data on the long
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Contents Table 8: Option 01 input submenu, video inputs selected . . . 57 Table 9: Time Code submenu . . . . . . . . . . . . . . . . . . . . . . . . 57 Table 10: Serial Port submenu items . . . . . . . . . . . . . . . . . . . 58 Table 11: Save Setups submenu . . . . . . . . . . . . . . . . . . . . . . 59 Table 12: Restore Setups submenu . . . . . . . . . . . . . . . . . . . . 60 Table 13: Screen Saver submenu . . . . . . . . . . . . . . . . . . . . . 60 Table 14: Service submenu . . . . .
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Table of Contents 764 Digital Audio Monitor User Manual vi
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General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or Personal Injury Use Proper Power Cord Use only the power cord set provided with this product, or some other properly rated and approved cord set configured for the local mains supply outlets. Use Proper Power Sou
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General Safety Summary Use in a Proper Environment Do not operate this product in wet/damp locations/conditions or in explosive atmospheres. Observe All Terminal Ratings To avoid fire or shock hazard, observe all ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product. Safety Terms and Symbols Terms in this Manual These terms may appear in this manual: WARNING. Warning statements identify conditions or practices tha
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General Safety Summary Symbols on the Product The following symbols may appear on the product: DANGER Double Protective Ground ATTENTION High Voltage (Earth) Terminal Refer to Insulated Manual 764 Digital Audio Monitor User Manual ix
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General Safety Summary 764 Digital Audio Monitor User Manual x
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Preface The Tektronix 764 Digital Audio Monitor shown in Figure 1 is a tool for monitoring the signal levels and stereo phase of digitally-encoded (AES/EBU and IEC 958 “consumer use”) audio in a production environment. The instrument can simultaneously display the levels of two two-channel inputs, and the stereo phase relationship of any two of the four input channels. It can also display numerical data about the audio program material as well as “Channel Status” and “User Data” information enco
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Preface Operating Basics — What you’ll need to know for day-to-day operation of the 764. Begins on page 13. Reference — Begins on page 43. Appendices — Instrument characteristics; Options/Accessories; User Service. Begin on page 75. Glossary — Begins on page 101. Index — Begins on page 103. Contacting Tektronix Phone 1-800-833-9200* Address Tektronix, Inc. Department or name (if known) 14200 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA Web site www.tektronix.com Sales 1-800
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Getting Started This section contains information you’ll need to put your 764 Digital Audio Monitor into service. For a detailed description of instrument capabilities, and instructions for its use, refer to the Operating Basics section of this manual. Unpacking Please save the packaging material in case you must later ship the instrument for calibration or service. The following accessory items are included with the 764 Digital Audio Monitor: This user manual A power cord Any cabinet ordere
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Getting Started Order the appropriate enclosure through your nearest Tektronix field office or representative. WARNING. Do not carry an instrument in one of the optional enclosures without first installing the cabinet mounting screws as shown in Figure 2. Without the mounting screws, an instrument can slip out of its cabinet if tipped forward. Property damage or injury may result. Figure 2: Rear view of the 764 in a Tektronix enclosure Connecting the 764 to Your System Except for the headphone j
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Getting Started Figure 3: The 764 rear panel and connectors (1) Digital Audio Inputs and Loop-Throughs The 764 has two, two-channel digital audio inputs, one labeled CH 1–2, and the other labeled CH 3–4. Each input in the standard instrument has two passive loop-throughs that allow you to switch the instrument off with no effect on the through signal: Balanced XLR connectors for signals conforming to the AES/EBU (AES3-1992) standard. Set the TERM switches immediately below these connectors to
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Getting Started NOTE. The male XLR connectors of instruments equipped with Option 02 (Analog Line Output) are labeled ANALOG OUT; these instruments do not have provision for loop-through on the balanced XLR connectors. The balanced XLR inputs of Option 02 instruments are unterminated when the associated TERM switches are set to EXT. To avoid signal degradation, always leave the TERM switches of Option 02 instru- ments set to 110 Ω. Refer to Appendix C: Options for more information about Option
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Getting Started NOTE. The balanced (XLR) loop-throughs are the default 764 inputs. To receive a signal through the unbalanced (BNC) loop-throughs or the optional serial video loop-through (Option 01), you must first reconfigure the instrument through the on-screen menus. Refer to Initial Power Up and Configuration on page 9 for instructions. (2) Time Code Inputs VITC — Reads vertical interval time code from NTSC or PAL analog video per IEC publication 461 specifications. The time code can be sho
