Tektronix VM Series Quick Start User Manual
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Tektronix VM Series Quick Start User Manual

Tektronix VM Series Quick Start User Manual

Video measurement system
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VM Series
Video Measurement System
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Quick Start User Manual
*P071209101*
071-2091-01

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  • Page 1 VM Series Video Measurement System Quick Start User Manual *P071209101* 071-2091-01...
  • Page 3 VM Series Video Measurement System Quick Start User Manual www.tektronix.com 071-2091-01...
  • Page 4 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries 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.
  • Page 5 Warranty 2 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.

  • Page 7: Table Of Contents

    The VM Series System Software User Interface ...........
  • Page 8 Displaying the Input Signal in a Vectorscope Window – Options SD/HD Only ..........Index VM Series Video Measurement System Quick Start User Manual...

  • Page 9: General Safety Summary

    Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. Terms in this Manual These terms may appear in this manual: VM Series Video Measurement System Quick Start User Manual...
  • Page 10 DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking. CAUTION indicates a hazard to property including the product. The following symbol(s) may appear on the product: VM Series Video Measurement System Quick Start User Manual...

  • Page 11: Preface

    Tektronix oscilloscopes you already own, or to upgrade VM5000HD or VM5000 systems. The products supported by the VM Series Video Measurement System are listed in the following table. Note that some products do not support Option VGA.

  • Page 12: Documentation

    VM Series Video Measurement System Programer Manual. The programming commands that apply specifically to the VM Series Video Measurement System are located in a PDF file located on the VM Series Video Measurement System product software CD. The programmer manual for the oscilloscope is a PDF file on the oscilloscope product software CD.

  • Page 13: Conventions Used In This Manual

    Conventions Used in this Manual This manual describes how to operate VM Series Video Measurement System Options SD, HD, and VGA. Although the methods of operation are identical in all three options, there are some differences in features; most notably the available measurements.
  • Page 14 Preface viii VM Series Video Measurement System Quick Start User Manual...

  • Page 15: Installing Your Instrument

    Tektronix part Accessory number 071-2091-XX VM Series Video Measurement System Quick Start User Manual in English, and French, German, Spanish, Traditional Chinese, Simplified Chinese, or Japanese translation if a language option was ordered VM Series Video Measurement System User Manual...
  • Page 16 United Kingdom (Option A2) Australia (Option A3) 161-0104-05 Switzerland (Option A5) 161-0167-00 Japan (Option A6) 161-A005-00 China (Option A10) 161-0306-00 161-0324-00 India (Option A11) — No power cord or AC adapter (Option A99) VM Series Video Measurement System Quick Start User Manual...

  • Page 17: Recommended Accessories

    012-0991-00 Centronics (printer) cable 012-1214-00 For the current list of accessories, upgrades, and options, including service options, available for your VM Series Video Measurement System, visit the Tektronix Web site, www.tektronix.com. VM Series Video Measurement System Quick Start User Manual...

  • Page 18: Operating Requirements

    To ensure proper cooling, keep the bottom and sides of the instrument clear of obstructions. Powering On the Instrument Power Supply Requirements Source voltage and frequency Power consumption 100-240 V ±10%, 47-63 Hz or 115 V ±10%, 400 Hz 550 watts maximum VM Series Video Measurement System Quick Start User Manual...

  • Page 19: Powering Off The Instrument

    You can connect your instrument to a network for printing, file sharing, internet access, and other functions. Consult with your network administrator and use the standard Windows utilities to configure the instrument for your network. VM Series Video Measurement System Quick Start User Manual...

  • Page 20: Getting Acquainted With Your Instrument

    Front Panel 1. DVD/CD-RW drive 2. Front panel controls 3. USB port 4. Ground terminal 5. Auxiliary Trigger Input 6. Channel 1–4 inputs 7. Probe calibration output 8. Probe compensation output VM Series Video Measurement System Quick Start User Manual...

  • Page 21: Side And Rear Panels

    12. PS-2 connector for keyboard 13. TekLink connector for future use 14. Removable hard disk drive 15. GPIB port to connect to controller 16. Auxiliary output 17. Channel 3 output 18. External reference input VM Series Video Measurement System Quick Start User Manual...

  • Page 22: Input Connection Requirements - Options Sd/Hd

    RS-232 connection to the Measurement Interface Unit. You can also connect the video device under test to the VM Series system by using the supplied VGA connector to 5X cable. If you use this method, you will need to connect...

  • Page 23: Connecting Input Signals

    There are two ways to connect the Sync Pickoff to the VM Series system. One way connects the Sync Pickoff directly to the input and the other way connects through a T-connector attached to a 75 Ω termination. Which method you use depends on the Sync Pickoff version you are using.
  • Page 24 012-1680-00 Sync Pickoff (the part number is located on the label of the larger module), connect the Sync Pickoff to the VM Series system CH1 input as shown in the following illustration. If you are using a 012-1680-01 Sync Pickoff, use the illustration shown in Setup 1A.
  • Page 25 Set the triggering on the instrument to CH1 (the default trigger setting is CH4). This setup is simpler than the others mentioned in this section, but limits noise measurement on Y/G to -65 dB (30 MHz noise bandwidth). VM Series Video Measurement System Quick Start User Manual...
  • Page 26 For CH4 only, you can connect the signal without using a termination or you can use a 75 Ω termination of lower accuracy than the 75 Ω terminations that are provided with the instrument. VM Series Video Measurement System Quick Start User Manual...
  • Page 27 This is the preferred setup for testing PC and play-out device video. Use the RGBHV Measurement Interface Unit to connect the PC video card to the VM Series system. Using the RGBHV MIU provides the most accurate measurement results. VM Series Video Measurement System Quick Start User Manual...
  • Page 28 Getting Acquainted with Your Instrument Connecting to a VM6000 / DPO7000 Series Instrument. VM Series Video Measurement System Quick Start User Manual...
  • Page 29 To connect the RGBHV Measurement Interface Unit: 1. Connect the Device Under Test (DUT) to the input side of the RGBHV Measurement Interface Unit using one of the VGA-to-BNC adapter cables supplied with your VM Series system. VM Series Video Measurement System Quick Start User Manual...
  • Page 30 RGBHV Measurement Interface Unit to same inputs on the VM Series system (that is, connect the CH1 output to the CH1 input). VM6000 / DPO7000 Series Instrument VM5000 / TDS5000 Series VM Series Video Measurement System Quick Start User Manual...
  • Page 31 Use this setup for testing PC and play-out device video when it is not convenient to use the RGBHV Measurement Interface Unit. To ensure accurate measurements, connect the signals to the VM Series system using the T-connectors and precision terminations on CH1-CH4. You must use 75 Ω terminations on CH1–CH3 (used for GBR) and 2.21 kΩ and 301 Ω...
  • Page 32 H Sync signal using the 2.21 kΩ termination to begin with. The VM Series system will prompt you to change it to the 301 Ω termination as necessary. VM6000 / DPO7000 Series Instrument VM Series Video Measurement System Quick Start User Manual...
  • Page 33 V Sync None V Sync signal is connected to this channel when making a V Timing or V Sync measurement. The VM Series system will prompt you for this connection change if necessary. VM Series Video Measurement System Quick Start User Manual...

  • Page 34: Signal Path Compensation

    CH4. Leave the large housing unconnected from the instrument. 2. Attach the Sync Pickoff BNC connector to a BNC-to-minigrabbers connector (Pomona Electronics model number 3789). 3. Connect the minigrabbers to the PROBE COMP connector. VM Series Video Measurement System Quick Start User Manual...

  • Page 35: Sync Pickoff Compensation - Vm5000 And Tds5000 Series, Options Sd/Hd Only

    Sync Pickoff Compensation – VM5000 and TDS5000 Series, Options SD/HD Only To properly compensate the Sync Pickoff: 1. Connect the Sync Pickoff cable to CH1 and CH4. The small housing, labeled “Connect to Trigger Channel”, should be connected to CH4. VM Series Video Measurement System Quick Start User Manual...
  • Page 36 5. Compare the Channel 1 and 4 waveforms. If they do not have the same shape, adjust the Sync Pickoff compensation (the adjustment is accessed through the side of the small housing). Properly compensated Under compensated VM Series Video Measurement System Quick Start User Manual...
  • Page 37 Getting Acquainted with Your Instrument Over compensated 6. If necessary, adjust the Sync Pickoff. Repeat as needed. VM Series Video Measurement System Quick Start User Manual...

  • Page 38: About The Matrix Test Signal

    Use the setup file (.vmset) that matches the format of the Matrix test signal you are using; this provides appropriate line numbers as default settings for each measurement type. See the VM Series Video Measurement System User Manual for a full description of the files on the signal source disks.
  • Page 39 1. Half white and half black 5. Black / white / black 2. Nine colorbars 6. Full white 3. 32 steps 7. Ramp 4. Alternate white and black 8. Half white and half black VM Series Video Measurement System Quick Start User Manual...

  • Page 40: Starting The Vm Series System Software

    Getting Acquainted with Your Instrument Starting the VM Series system Software 1. Power on the instrument. 2. Select Analyze > VM HD and SD Video V3.2 or VM VGA Video V3.2. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 41 The instrument reduces the waveform area to the upper half of the display and opens the VM Series system application in the lower half of the display. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...

  • Page 42: The Vm Series System Software User Interface

    To access the Windows desktop (for viewing reports), select Hide. In the main display, select File > Minimize, and then select the application Hide button again. VM Series Video Measurement System Quick Start User Manual...
  • Page 43 App button (VM5000 / TDS5000). VM6000 / DPO7000 VM5000 / TDS5000 9. Exit button: Exits the VM Series system application and returns the instrument to the default main display. VM Series Video Measurement System Quick Start User Manual...

  • Page 44: Procedure For Taking Measurements

    Configuring the DUT — Option VGA To perform measurements on the DUT, you must provide an appropriate video signal to the VM Series system. You accomplish this by displaying a bitmap file on the PC in which the DUT is operating. The preferred bitmap file, when taking multiple measurements, is the Matrix signal.
  • Page 45 If you set up the DUT to drive a second display, you can set the background of the second display to the bitmap file rather than opening the file with a bitmap editor. VM Series Video Measurement System Quick Start User Manual...

  • Page 46: Setting The Input Signal Format - Options Sd/Hd

    DUT to the VM Series system. Setting the Input Signal Format – Options SD/HD 1. Select Configuration > Format. The application displays the Format view. VM Series Video Measurement System Quick Start User Manual...
  • Page 47 If you need to test a format that is not listed on the Format tab, you can create a User-Defined Format. 1. Select Configuration > Format. The application displays the Format tab view. 2. To add a new format, select Add. This displays the Create User Defined Format window. VM Series Video Measurement System Quick Start User Manual...

  • Page 48: Setting The Input Signal Format - Option Vga

    User Defined Format checkbox on the Format tab. Select the desired format from the list box. Setting the Input Signal Format – Option VGA 1. Select Configuration > Format. The application displays the Format tab view. VM Series Video Measurement System Quick Start User Manual...
  • Page 49 If you need to test a format that is not listed on the Format tab, you can create a User-Defined Format. 1. Select Configuration > Format. The application displays the Format tab view. 2. To add a new format, select the User Defined Format checkbox. VM Series Video Measurement System Quick Start User Manual...
  • Page 50 5. Enter a format name and select Save to save the new format. 6. To use a User Defined Format, check the User Defined Format checkbox on the Format tab. Select the desired format from the list box. VM Series Video Measurement System Quick Start User Manual...

  • Page 51: Selecting Measurements

    Getting Acquainted with Your Instrument Selecting Measurements 1. Select Configuration > Measurements. 2. Select the desired measurements on the Measurements tab. You can select one measurement or any combination of measurements. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...

  • Page 52: Setting The Measurement Run Operations

    These settings control how the instrument sets up and acquires measurements when you select the Run button. Option SD/HD Option VGA 2. Select how the instrument sets up and runs measurements. VM Series Video Measurement System Quick Start User Manual...
  • Page 53 (for example, line 153). In Multiple Lines mode, measurements are made across a range of lines (for example, lines 153–185). When you select Multiple Lines, a report is automatically saved to a file. VM Series Video Measurement System Quick Start User Manual...
  • Page 54 Sync Polarity setting. Because the specified polarities for the H Sync and V Sync signals vary between the timing standards, the VM Series system will prompt you to connect the H and V Sync signals to automatically determine their polarities. Once the sync signal polarities are determined, the measurement cycle begins.

  • Page 55: Taking And Viewing Measurements

    Sync measurement results (Option SD/HD only), select Results > Sync. Option SD/HD Option VGA 3. If you set the run operation to Continuously, press the Stop button to stop taking measurements. VM Series Video Measurement System Quick Start User Manual...

  • Page 56: Using The Oscilloscope

    Using the Oscilloscope To use the standard oscilloscope capabilities of the VM Series system to take measurements or view features of a signal, just hide the VM Series system software. You do not have to quit the VM Series system software.
  • Page 57 Getting Acquainted with Your Instrument 2. To return to the VM Series system software, select Restore Application from the Analyze menu. VM Series Video Measurement System Quick Start User Manual...

  • Page 58: Troubleshooting Signal Problems

    Multiburst: Invalid results for all The line number is set incorrectly, Measuring Multiburst an inappropriate input signal, or an channels incorrect configuration. Noise: Signal Change: Chan <x> The signal changed during Measuring Noise measurement. VM Series Video Measurement System Quick Start User Manual...
  • Page 59 Sync edge locations questionable. Make sure that the selected format is correct. Black-White-Black signal is not being Measuring H Timing H Timing: Incorrect signal in Channel <1–3>. Use Black-White-Black signal. used. VM Series Video Measurement System Quick Start User Manual...
  • Page 60 Ch-Ch Mismatch: Incorrect signal in 32–step Staircase signal not being Measuring Ch-Ch Channel <1–3>. Use the 32–step used. Mismatch. Staircase signal in true color mode. VM Series Video Measurement System Quick Start User Manual...
  • Page 61 Error occurred in configuring MIU Improper serial connection to MIU Running any or one of the CH1/CH2/CH3/CH4 measurement using connector cables are disconnected the MIU. from the VM Series system. VM Series Video Measurement System Quick Start User Manual...

  • Page 62: Applications

    The color bar test signal lets you check for gain inequalities between the channels and to ensure that the signal is not distorted, which could produce severe clipping of the signal. VM Series Video Measurement System Quick Start User Manual...
  • Page 63 Applications The Tektronix Matrix pattern uses a 100% color bar signal to test the full dynamic range of each component. The color bar pattern is located at or near the top of the matrix pattern; the line numbers at which it occurs are different for each standard.

  • Page 64: Simple Color Bars Measurement - Option Vga

    700 mV = 100% or at 75% with an RGB amplitude of 525 mV. The following table shows the amplitude for the RGB signal at 100% and 75%. VM Series Video Measurement System Quick Start User Manual...
  • Page 65 Black The Tektronix Matrix pattern uses a 100% color bar signal to test the full dynamic range of each component. The color bar pattern is located near the top of the matrix pattern; the line numbers at which it occurs are different for each format. The following tables show the line numbers on which the different patterns in the Matrix signal are located for a 60 Hz refresh rate.
  • Page 66 1923 –2118 The VM Series system performs the color bars measurements by first identifying the relative amplitudes of each of the three channels. Eight amplitude measurements are made on each channel, giving a total of 24 measurements in less than half a second;...
  • Page 67 5. Select the input signal format. (See page 34, Setting the Input Signal Format – Option VGA.) 6. Select Configuration > Measurements. Note that Color Bars is selected by default. 7. Click the Run button. VM Series Video Measurement System Quick Start User Manual...

  • Page 68: Displaying Relative To Reference Color Bar Measurements

    Displaying Relative to Reference Color Bar Measurements The VM Series system displays measurement results two ways: as measured and relative to a reference value. The relative value is calculated by subtracting the measured value from a reference value. To display measurement results relative to a reference, you must select Enable Relative Results in the Reference &...
  • Page 69 7. Check Enable Relative Result Display. By default, the VM Series system application automatically selects a reference file from a set of supplied templates, matched to the selected signal format. 8. Click the Run button. VM Series Video Measurement System Quick Start User Manual...
  • Page 70 Applications When the measurements are complete, the results screen is displayed. Note that the Relative and Reference tabs are now selectable. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 71 Applications 9. Select the Reference tab to display the Reference values used to calculate the Relative values. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 72 10. Select the Relative tab to display the calculated Relative values. 11. Select the % option button to display the percent difference between the measured value and the reference value. Option SD/HD VM Series Video Measurement System Quick Start User Manual...

  • Page 73: Displaying Color Bar Measurements With Limit Testing

    The VM Series system can display measurement results compared to a limit value and with a pass/fail indication. As with the relative measurements, the limit value is specified in a CSV-format text file. The VM Series system includes a set of template files that you can edit, so that you can specify the limit values appropriate to your application.
  • Page 74 4. Connect a signal to the inputs. (See page 9, Connecting Input Signals.) 5. Select the input signal format. (See page 8, Input Connection Requirements – Options SD/HD.) (See page 8, Input Connection Requirements – Option VGA.) VM Series Video Measurement System Quick Start User Manual...
  • Page 75 By default, the VM Series system application automatically selects a limit file from a set of supplied templates, matched to the selected signal format. Option SD/HD Option VGA 8. Click the Run button. VM Series Video Measurement System Quick Start User Manual...
  • Page 76 Green text indicates pass (the measured value did not exceed the limit values). Red text indicates failure (the measured value exceeded the max or min limit value). Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 77 9. Select the Limits tab to display the Limit values used. Select either min or max to see the limits specified for the minimum and maximum acceptable values. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...

  • Page 78: Performing Limit Testing With Two Measurements

    Applications Performing Limit Testing with Two Measurements The VM Series system can perform limit testing with more than one measurement at a time. 1. Power on the instrument. 2. Select Analyze > VM HD and SD Video V3.2 or VM VGA Video V3.2.
  • Page 79 file from a set of supplied templates, matched to the selected signal format. Option SD/HD Option VGA 8. Click the Measurements tab to select the measurement to be performed. VM Series Video Measurement System Quick Start User Manual...
  • Page 80 Option VGA 10. Click the Run button. When the measurements start, the measurement status screen appears. As the measurements are completed, Pass (or Fail) is displayed for the selected measurements. Option SD/HD VM Series Video Measurement System Quick Start User Manual...
  • Page 81 11. To display the results of each selected measurement, select the Results menu and select one of the selected measurements. The results screen for the selected measurement is displayed. Option SD/HD VM Series Video Measurement System Quick Start User Manual...
  • Page 82 Applications Option VGA 12. To display the results of the other selected measurement, select the Results menu and select the other measurement. Option SD/HD VM Series Video Measurement System Quick Start User Manual...
  • Page 83 Applications Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 84 Taking Measurements Across Multiple Lines When the VM Series system takes a measurement, where the measurement is taken (you could also say when the measurement is taken) is specified by the line number. (If you want to measure the Luma Level, you need to make sure the measurement is taken within the active video portion of the signal.) Sometimes you will need to take a measurement across...
  • Page 85 5. Select Configuration > Format and select the format settings as necessary. 6. Select Configuration > Operation. Option VGA 7. Click Multi Lines in the Line Select section. Option SD/HD Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 86 9. To select a measurement to be taken, click the checkbox next to the measurement name. Option VGA 10. Enter line numbers in the Start Line and End Line boxes. Option VGA VM Series Video Measurement System Quick Start User Manual...
  • Page 87 This displays the Generate Report panel. 12. To change the filename and save location, click Browse. This displays the Save dialog. 13. Enter the filename or navigate to the desired location to save the file. VM Series Video Measurement System Quick Start User Manual...
  • Page 88 The displayed Line Number increments after each measurement is taken until the measurement for each of the specified lines has been taken. The process repeats for each selected measurement. VM Series Video Measurement System Quick Start User Manual...
  • Page 89 file using the appropriate application. Displaying the Input Signal as a Picture The VM Series system can display the input signal as a picture. 1. Power on the instrument. VM Series Video Measurement System Quick Start User Manual...
  • Page 90 3. Connect a signal to the inputs. (See page 9, Connecting Input Signals.) 4. Select the picture button. This launches the video monitor window. 5. Click the maximize button to expand the picture to full screen. VM Series Video Measurement System Quick Start User Manual...
  • Page 91 Applications Displaying the Input Signal in a Vectorscope Window – Options SD/HD Only The VM Series system can display the input signal in a vectorscope window so that you can quickly see the color range of the signal. 1. Power on the instrument.
  • Page 92 Applications 5. Click the maximize button to expand the vectorscope display to full screen. VM Series Video Measurement System Quick Start User Manual...
  • Page 93 Picture display, 75 using the oscilloscope, 42 setting, 32, 34 power supply instruments supported, v requirements, 4 Vectorscope display, 77 VESA test procedure Limit Testing, 59, 64 rear panel map, 7 version, 30 VM Series Video Measurement System Quick Start User Manual...
  • Page 94 Index viewing measurement results, 41 Warning Types Reported, 40 warning and error messages, 44 VM Series Video Measurement System Quick Start User Manual...

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