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1. Logging Stopped Running Erase Log Figure 2 11 Eye menu diagram 2 20 Eye Meas Off On 10 Eye SD signals r 3 Eye Display 20 Eye HD signals wi 100 H L Clock BW lt gt Clock BW w 2 Menu Done The minimum rise time and fall time L Eye Eye threshold settings are available only id Menu when the input signal is SD Rise Max lt gt Rise Min lt gt Fall Max lt gt Ampl Max lt gt Eye Alarm Fall Min lt gt Ampl Min lt gt Set Meas Thresholds Threshold Delta Max lt gt Rise Overshoot lt gt Menu Fall hoot lt Set Default Thresholds Next Menu a pe i Done Next Menu Done Set Meas Thresholds E Jitter Jitter Set Default Thresholds 10 Hz Menu 1 kHz High Pass Filter lt gt pigh Pass 19 kHz 100 kHz Done Show All Alarms Show All Events Errors Only Show General Alarms Show Serial Alarms Event Log eens Configure View Filter Log Filter Menu Show Audio Alarms Show Aux Data Alarms Show Physical Alarms WFM700M only Done WFM700 Series Waveform Monitors User Manual Menus Freeze Menu Press the FREEZE button to open the Freeze menu shown in Figure 2 12 Freeze Mode lets you m Capture freeze the active signal and hold it in the Capture buffer m Display the frozen signal or the live signal m Compare the frozen signal a
2. 0 cece cece cece 2 20 Freeze MEM ee ee a DS sgae 2 21 Gam Ment aa a De bee aaah wks 2 22 Gamut MOU id agro tiers 2 23 Help Menu ars De ra a aaa a ee 2 24 Input MENU es an en 2 24 Line Select Menu musde sea De ea 2 25 Measure Mode Menu WFM700A and WFM700HD Only 2 26 Measure Mode Menu WFM700M Only 0000 c cece cece eee 2 26 Multi Mensa 2 een init 2 27 Picture MEM ae ee dle ah ors RL ee De gg 2 28 Preset Menu u Malle re ee ee AE lt 2 29 Print Memi os o aaa 2 30 WEM700 Series Waveform Monitors User Manual i Table of Contents Reference Index Status Menu A A At 2 30 Sweep A O 2 31 VECO MENU Nr na ans ado 2 32 Waveform Mental DEN 2 33 PV ATI vf ce tice et Dk ee ala a oh a u east 3 2 Ancillary Data Display 0 eee eee cc een en eens 3 4 ARIB STD B39 Display 0 ccc cee eens 3 6 A dio Mode nz 2 u dd Sooty Bate deb lag al dd hatha taa 3 7 Audio Mode Option DG Only oooooccccccccccccnn rere 3 7 Bowie Mode es aerate dao e aa ee a a a ee 3 14 Composite Display o sre te ee E eee A 3 15 Data Display WFM700M Only 0 0600 cece cece eee eens 3 15 Diagn stics ved dd cal 3 16 Eye Jitter Mode WFM700M Only oooooccccococccccono cece eens 3 17 Gamut Measurements 2 0 cece ccc eee eee eee 3 27 Eme Select Moden deiade e ha debra Reign ripio dd halle ee 3 31 A NN 3 32 Measure Mode WFM700M Only 00 cece cece eee eens 3 34 Multi MO
3. Display Audio Display Menu VECTOR STATUS H Level Meters PICTURE MEASURE Meter Scaling Default Custom Scale Min dBFS H Configure Custom Scaling Meter Scale Menu Scale Max dBFS I Format Stereo Surround Done Goto Input Map Surround Sound Audio Menu Meter Scaling Default Custom Configure Custom Scaling Format Stereo Surround Level Meters Lissajous Meter Scaling Default Custom Configure Custom Scaling Stereo Pairs Surround Format Stereo Surround 182 L amp R Goto Input Map 3 amp 4 C amp LFE e F 5 amp 6 Ls amp Rs Lissajous Pair Audio Lissajous Pair 7 amp 8 Lo amp Ro Lissajous Style Soundstage X Y Custom Pair Custom Lissajous Channel A Configure Custom Pair Lissajous Pair Lissajous Channel B Done Done Channel Status Stereo Pairs Surround Channels 1 amp 2 L amp R H Channels 3 amp 4 C amp LFE Channels 5 amp 6 Ls amp Rs Channels 7 amp 8 Lo amp Ro Text Binary Format Text Audio Ch Status Format XMSN Order Binary Hex Done Embedded Audio Status Figure 2 4 Audio menu diagram Option DG only WEM700 Series Waveform Monitors User Manual 2 13 Menus Configure Menu HELP PRINT FREEZE DISPLAY CONFIG Configure Menu PRESET
4. Selected Window Left Right VECTOR STATUS Waveform Vector Lightning Gamut H Left Window Multi Left Window Config Audio Status Data Display Done A he PICTURE MEASURE Waveform Vector Lightning Gamut Right Window Multi Right Window Config Audio Status Data Display Done Multi Menu Go To lt mode gt Menu Figure 2 19 Multi menu diagram WEM700 Series Waveform Monitors User Manual 2 27 Menus Picture Menu 2 28 Press the PICTURE button to enter the Picture mode Picture mode displays a full screen representation of the video signal present at the selected input After you enter the Picture mode press the PICTURE button again to toggle the Picture menu shown in Figure 2 20 on and off Use the Safe Area soft key to turn the Safe Action and Safe Title graticules on and off The safe area graticules do not appear in the thumbnail picture Since the full size SD picture display is cropped use the SD Picture Half Size setting to view the complete picture when you are monitoring SD signals VIEW WFM VECTOR STATUS YO Lu PICTURE MEASURE O E E SD Picture Half Size Full Size Picture Menu Safe Area On Off Figure 2 20 Picture menu diagram WEM700 Series Waveform Monitors User Manual Menus Preset Menu Press the PRESET button to open the Preset menu shown in F
5. Input 1B lt module type gt These menu selections appear only when a second video module is installed Input 2A lt module type gt Input 2B lt module type gt Audio In Embedded Ext aes This menu selection appears only when the Option DG audio module is installed and the AES connectors are configured as inputs Reference Internal External Figure 2 16 Input menu diagram 2 24 WEM700 Series Waveform Monitors User Manual Menus Line Select Menu Press the LINE SEL button to enable the Line Select mode and open the menu shown in Figure 2 17 Operating modes that support the line select function are Waveform Vector Gamut Jitter Eye and Data Refer to Line Select Mode on page 3 31 for more information SWEEP GAIN CURSOR All Fields LINE SEL Field 1 of 2 2 of 2 Line Select Menu H Line lt gt INPUT Sample lt gt Figure 2 17 Line Select menu diagram WEM700 Series Waveform Monitors User Manual 2 25 Menus Measure Mode Menu WFM700A and WFM700HD Only For instruments with only WFM7A and or WFM7HD video modules installed press the Measure button to access the Bowtie mode Refer to Bowtie Mode on page 3 14 for more information Measure Mode Menu WFM700M Only To access the Measure menu you must have a WFM700M or an instrument with a WFM7M module installed Press the MEASURE button to op
6. Center Aligned Center Aligned 1 mark 20 ns 1 mark 2ns and mark 40 ns and mark 5ns 31d mark 74 ns 31d mark 13 5 ns one luma sample time one luma sample time 4 mark 148 ns 4th mark 27 ns one chroma sample time one chroma sample time 1 The graticule calibration is only correct if the color bar signal lands in the targets WEM700 Series Waveform Monitors User Manual 3 41 Reference 3 42 Bars 100 Ref INT HGain x1 00 Y Gain x1 00 1A 270 0 Mb s 5251 59 94 Vector Lightning Menu Vector 01 13 2003 18 10 56 Color 601 Graticule Setup 0 Color bars Graticule Setup 7 5 Format Composite 100 Auto Figure 3 13 Lightning display showing proper interchannel timing Bars 100 Ref INT H Gain x1 00 V Gain x1 00 1A 270 0 Mb s 525i 59 94 40 ns timing error 20 ns timing error Figure 3 14 Lightning display showing interchannel timing errors WFM700 Series Waveform Monitors User Manual Reference Luminance Gain Measurement The signal is driven along the vertical axis above and below the center box by the luminance signal The luminance gain is correct when the center dot clamped black level is centered in the target box and the positive and negative excursions end at the top and bottom of the graticule Perfect monochrome signals appear as a thin vertical line Any deviation or bending off the center line indicates a color variation from the monochrome setup of the
7. If this fault code is present press the ON STBY switch to reset the instrument If the fault code reoccurs refer the instrument to qualified service personnel If the waveform monitor seems to be operating properly monitor the AC power supply to be sure there are no problems in the power source Overtemp Off fault Flashing Off The internal temperature sensors will shut down the instrument at 75 C to prevent damage to the components if the ambient temperature is too high or if the airflow is blocked If this occurs the Overtemp fault code will be asserted Let the instrument cool down and cycle the power or press the ON STBY switch to resume normal operation EC self test Flashing failed Off This is asserted if the Environmental Controller is not able to test the temperature sensors and fan circuits If this occurs refer the instrument to qualified service personnel Flashing WFM700 Series Waveform Monitors User Manual 2 3 Functional Overview Front Panel Buttons Refer to Menus beginning on page 2 11 for a description of the menus accessed by pressing the front panel buttons Table 2 3 describes the different categories of front panel buttons Table 2 3 Front panel buttons Category Major mode Minor mode Misc 2 4 Description These buttons change the entire context and content of the LCD display and generally function as follows m Pressing a button selects a mode and opens a menu for ex
8. Level meter labels Audio input source Emb Audio 1 A s INPUT AES Connector 1 0 setting Phase correlation meters Correlation meter for Ls and Rs Audio Presence readout Figure 3 4 Surround Sound audio display 3 10 WFM700 Series Waveform Monitors User Manual Reference Interpreting the Surround The Surround Sound display indicates the audio level balance among the left L Sound Display right R left surround Ls and right surround Rs channels as cyan lines on the ruled scales radiating from the center The scale has tic marks at 10 dB intervals An additional tic mark indicates the 18 dB level The 18 dB and 20 dB levels are typically used for aligning audio levels The cyan polygon formed by connecting the level indicator endpoints shows the total sound volume formed by the L R Ls and Rs channels This connecting line will bend away from the center if the two signals have a positive correlation will bend towards the center if the signals have a negative correlation and will not bend if the signals are uncorrelated The Center Volume indicator displays the sound volume of the center channel as a vertical yellow bar between the L and R channels and connects the ends of the L C and R audio level indicators with straight lines Phantom Sound Indicators PSI located on each side of the Surround Sound display indicate the location of potential phantom sound sources formed by adjacent channels The w
9. m When the Event Log or Alarm Status displays are selected after the Jitter display is selected That is if you enter the Jitter display and then use the STATUS button to view the Event Log or Alarm Status displays the jitter measurement alarm will be active If you select another display mode such as Eye or Waveform the jitter measurement alarm will be disabled WEM700 Series Waveform Monitors User Manual 3 3 Reference Ancillary Data Display 3 4 The Ancillary Data display see Figure 3 1 shows the raw undecoded data words in the selected ancillary data packets The ancillary data is shown only in hexadecimal format Since the display is updated at approximately 2 second intervals rapid data changes cannot be detected Use the DID and SDID DBN soft keys in conjunction with the general purpose knob to select the DID and or SDID values for the type of ancillary data packet to be monitored DID and SDID values have the following characteristics m DID and SDID values range between 0x01 and Oxff m For DID values in the range 0x00 0x7F Type 2 packets the SDID values are used m For DID values in the range 0x80 OxFF Type 1 packets there are no SDID values used the SDID soft key is greyed out Table 3 1 lists the DID and SDID values that are defined for common types of ancillary data 1B WFM7M 1 4835 Gb s 10351 59 94 xe x2e7 1 x2b2 24 x218 SMPTE 299M Audio Grp 1 x24e Anc Data Menu Figure 3 1
10. 60 1035i 60 720p 59 94 1035i 59 94 1080p 23 98 1080sf 24 1080p 24 1080sf 23 98 HD Colorimetry Auto Select ITU R BT 709 2 SMPTE 240M Brightup Line Sample Off On Brightup RGB Gamut Off On Brightup Composite Gamut Off On Brightup Luminance Gamut Off On Output Colorimetry HD Auto BT 709 SMPTE 240 Output Active for HD Off YPbPr RGB Output Active for SD Off YPbPr RGB Timecode Auto VITC ATC Off Figure 2 6 Configuration menu diagram part 2 WEM700 Series Waveform Monitors User Manual The 1080i 50 format appears only when a version B Ext Ref module is installed Page 3 720p 24 720p 23 98 720p 60 720p 50 Menus HELP PRINT FREEZE DISPLAY CONFIG PRESET Configure menu continued from Figure 2 6 Audio Inputs Outputs Option DG audio module only Configure Menu T Audio Displays Audio Thresholds Option DG audio module only Configure menu continues in Figure 2 8 AES Connectors Input Output Audio Program Type Stereo Pairs Surround AES Alarms Change AES Alarm Embedded Alarms Change Embedded Alarms AES Input Map Change AES Input Map Embedded Input Map Change Emb Input Map Groups 1 amp 2 Groups 3 amp 4 Groups 1 amp 3 Groups 2 amp 4 Groups 1 amp 4 Groups 2 amp 3 Done Embedded Groups Audio In Out Menu Top Menu 272M
11. Ancillary Data display WEM700 Series Waveform Monitors User Manual Reference Table 3 1 DID and SDID values for common ancillary data types Ancillary data type SDID value ARIB TR B22 Sub Information of transmitting materials OxE0 ARIB TR B23 Line 20 User Data 1 OxFC ARIB TR B23 Line 20 User Data 2 OxFB Video Payload Identifier 0x01 ARIB STD B35 Trigger Signal for Data Broadcasting OxFD ARIB STD B37 Closed Captioning Analog signal Ox5F OxDD SD signal Ox5F OxDE HD signal Ox5F OxDF ARIB STD B39 Inter Stationary Control Data ARIB specification Ox5F OxFE ITU specification 0x43 0x01 SMPTE RP 188 Time Code None EIA 608 Closed Captioning 0x02 EIA 708 Closed Captioning 0x01 Program Description 0x01 AES Audio Group 1 None SD Embedded Audio Group 1 None Group 2 None Group 3 None Group 4 None SD Extended Audio Packets Group 1 None Group 2 None Group 3 None Group 4 None HD Embedded Audio Group 1 None Group 2 None Group 3 None Group 4 None WFM700 Series Waveform Monitors User Manual 3 5 Reference ARIB STD B39 Display The ARIB STD B39 display see Figure 3 2 shows the decoded data for video signals using ancillary data compliant with ARIB STD B39 When this display is selected the instrument searches the signal for ARIB STD B39 packets using the DID SDID combinations defined by one of the following standards organizations ITU or ARIB Use the Grat Gamut Default Setup submenu of the Configuration men
12. THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES CA A Table of Contents Getting Started Operating Basics General Safety Summary 0 eee eee iii Prel 2 el a elit v Related Reference Documents 0 00 cc ccc cece eee nee v Contacting Tektronix 1 0 0 eee eee eee een een eens vii Product Description ron kesian aina aa aA E a ee ence eens 1 1 Standard Accessories ooooooor ec cece teen reee 1 2 Optional Accessories ian aa E E A rr 1 4 Installation and Power On oooooooooomooomocomoo ooo 1 5 Hardware Installation oooooooooooooorrrrr teen eens 1 5 Connecting DO WEE saciar eb ds 1 6 Functional Overview ooooooooocrorcorcr rr rr9s9rcr92 roocss 2 1 Front Panel Knobs and Indicators oooooooooooooroonorornoo o 2 2 Front Panel Buttons o ooooooooonoooonoor nen ences 2 4 Touch Screen Soft Keys 0 0 0 cece cee eect e eens 2 5 Read outs iii A Re lee We el 2 5 ICONS she cde ae a id eed SIN eee o al 2 7 Context Sensitive Helpis nuore mirei ec o 2 7 Rear Panel Connectors 0 cc cece e nent eens 2 8 Men s 2 uso hu Yasin ale ee eine 2 11 Making Menu Selections 4 4 2 ds 2 11 Using the Menu Diagrams 0 cece cee a eens 2 12 Audio Menu Option DG Only 0 66 cece eee 2 13 Gonfigure Men nee ee Ne Ba ena 2 14 Cursor Menu ns a ee ee ee aay 2 18 Display Mei anne eae ale ae ee 2 19 Eye Menu WFM700M Only
13. By AST a BT ABLoA O 5 ETHERNET AE 21 cb AUX IN REFIN CL AS 12 0 SDPIXMON L gt SDPIXMON aa O ES p 32 LOOP 83 AUX OUT1 TurougH REFIN AES 3 4 1 0 INPUT A INPUT A oe L lt a es Op 0 se 8 AUX OUT 2 PIX GIY AES 5 6 1 0 INPUT B INPUT B PIX B Pb AES 7 8 1 0 SERIAL OUT SERIAL OUT O VGA PIX MON REMOTE lt C O O O O 2 o PIX R Pr JITTER OUT 3 o O O O oooo o O 6060 6 O C gt co co gt gt 00000 EXT VGA E E amp amp y X Fa Y Figure 2 2 WFM700 rear panel 2 8 WFM700 Series Waveform Monitors User Manual Functional Overview Table 2 5 Rear panel connectors Connector s Power Video inputs Audio inputs outputs Option DG only Description This instrument is intended to operate from a single phase power source with one current carrying conductor at or near earth ground the neutral conductor Only the Line conductor is fused for over current protection The fuse is internal on the Power circuit board Systems that have both current carrying conductors live with respect to ground such as phase to phase in multiphase systems are not recommended as power sources Mains frequency is 50 or 60 Hz Operating voltage range is continuous from 100 to 240 VAC 10 The waveform monitor provides the following video input connectors NOTE Input A and Input B are separate signal inputs and cannot be used as a loop through signal path INPUT A and INPU
14. Composite threshold to 24 IRE because that is the lower limit of chrominance excursions For the majority of PAL video signal applications set the Setup control to 0 Set the upper Y C Composite threshold to 935 mV and the lower Y C Composite threshold to 235 mV because those are the limits of chrominance excursion For both NTSC and PAL signals set the Horizontal Horiz Vert soft key setting to Horiz Vert This setting will trigger on gamut errors that form a block covering several video lines and thus are more visible to the human eye Set the upper and lower luminance thresholds for a 3 tolerance 103 and 3 to monitor excessive luminance excursions WFM700 Series Waveform Monitors User Manual Reference Line Select Mode Field Selection Sample Selection Filtering Two filters allow you to accept overshoot that would otherwise be reported as a gamut error Overshoot occurs due to the unequal rise time of the chroma and luma inherent in the YPbPr signal Use the Horizontal filter setting to monitor for out of gamut errors within a single horizontal line using a low pass filter SD lt 1 MHz HD lt 1 2 MHz Use the Horizontal Vertical filter setting to monitor for out of gamut errors on three consecutive horizontal lines with a weighting of 25 for the first and third lines and 50 for the second line Use this setting to accept horizontal artifacts making the detection symmetrical in the picture domain
15. Group Phase Align Disabled Enabled Auto 299M Group Phase Align Disabled Enabled Auto Audio Presence Readout Off On Meter Ballistics VU PPM True Peak Peak Hold Time 2 sec Peak Hold Display Off On Set 0dB Mark To dBFS Peak Program Level Test Level Lissajous AGC Off On Dominance Indicator Disabled Enabled These menu selections appear only when an Option DG audio module is installed Surround Sound Filter Linear RMS A Weighting Test Level 18 dB Peak Program Level 8 dB of Samples for Clip 1 of Samples for Mute 10 Silence Level 60 dB Over Level 8 dB Duration for Silence Over 5 sec Figure 2 7 Configuration menu diagram part 3 2 16 WFM700 Series Waveform Monitors User Manual Menus HELP PRINT FREEZE DISPLAY CONFIG PRESET Z Configure menu continued from Figure 2 7 Printing Event Log Communications Configure Menu Calibration System Print Layout Portrait Landscape Print Format Postscript COLOR Postscript B amp W Paper Size A4 Letter LPD Print Server IP Address Press to Edit IP Address LPD Print Queue Name raw Press to Edit Queue name Ink Saver On Off When Event Log Full Overwrite Old Events Stop Logging Event Log Storage Mode Log for Resolution Log for Duration Config Mode Manual Mode DHCP Server IP Address
16. Press the CONFIG button to open the Configure menu which is shown in Figures 2 5 through 2 7 The configuration parameters for the instrument are grouped into functional submenus within the Configure menu Use the general purpose knob and or the touchscreen to navigate within the menu A CAUTION To prevent a misadjustment of the instrument do not use the adjust ment menu selections in the Calibration submenu without referring to the WFM700 Series Service Manual Tektronix Inc part number 071 0915 XX Configure Alarms General Alarms RGB Gamut Composite Gamut Luminance Gamut Video Signal Missing Video Format Change Serial Alarms RP165 EDH Status RP165 FF CRC RP165 AP CRC SMPTE292 Y CRC SMPTE292 C CRC r Audio Alarms Option DG Audio module only Emb Audio Presence AES Audio Unlocked AES Audio Parity Validity Bit Professional CRC Auxiliary Alarms Closed Caption Presence Closed Caption Changes Closed Caption Parity Closed Caption Protocol V Chip Presence Configure menu continues in Figure 2 6 Physical Alarms WFM700M only Eye Amplitude Eye Rise Time Eye Fall Time Eye Rise Fall Delta Figure 2 5 Configuration menu diagram part 1 2 14 Video Format Mismatch Video Ref Format Mismatch Ext Ref Signal Missing Ext Ref Format Mismatch Input Signal not HD SDI Code Word Vi
17. Provides an exact copy of the instrument display to drive an external monitor REMOTE 9 pin subminiature D type connector used as a Ground Closure interface for remote control ETHERNET 10 100 Base T 10 100 Mbit sec Ethernet interface Used for for web based remote control of the instrument and for downloading firmware upgrades The waveform monitor provides the following coaxial outputs PIX G Y B Pb R Pr Provides three 75 2 component signal outputs to drive a component picture monitor You can set the output format to YPbPr or RGB Out of gamut input signals cause the affected areas to be highlighted on the monitor display This gamut error highlight or bright up signal is controlled in the Configure menu SD PIX MON This output is a copy of the PIX G Y B Pb R Pr pix mon output but is reclocked in SD serial digital format It is operational only for SD format input signals and only while the SD signal is being displayed on the screen of the waveform monitor In addition there is no signal output from this connector on a module while an input signal from a second module is being displayed on the screen SERIAL OUT Provides a version of the selected signal input Video Input A or B There is no signal output from this connector on a module while an input signal from a second module is being displayed on the screen JITTER OUT WFM700M only Provides a 75 Q output signal from the jitter demodulator This signal is only va
18. a very stable oscillator which translates any phase modulation jitter into a DC value This DC value represents the phase difference between the input signal and the reference oscillator The resulting DC values plotted against time are proportional to jitter in the serial signal This jitter waveform is passed through a high pass filter and applied to a peak detector The peak detector measurement is presented in the jitter measurement box The demodulator can detect jitter up to 5 MHz Observing Word Correlated Behavior The Eye Pattern display allows you to analyze word correlated jitter in video signals Use the 10 Eye mode to analyze SD format signals and use the 20 Eye mode to analyze HD format signals When video is serialized a 270 MHz serial clock is derived from the 27 MHz rate parallel word clock Often there is slight phase modulation of the serial clock between the transitions of the parallel clock producing jitter at data bit transitions This jitter is not random it is correlated to the parallel word rate Also the video pattern applied to the serializer changes at a 27 MHz rate or at an integer fraction of this rate Any video pattern related effects in the serial system typically appear at fixed data bit locations with respect to the parallel word In the 10 Eye or 20 Eye display modes the trigger is on the parallel word boundaries with 10 or 20 Eyes shown per sweep Parallel word and TV line correlated behavior can be seen
19. dey 0 5 4 4 4 20028 0 40 edad epica de ad dd th 3 34 Picture Mode civic ld te cle dh allan dire nd Oboes cage te dri elles et 3 35 PUTA essen en edge bth ae Sehe ollie te Swen Wt ores hl see 3 36 Status Displays u 0 2 Me ee ee dei aha abies dork te She AY Sout 3 37 Vector Mode ici Sigh red he date a crane Soy et ee 3 40 Waveform M de noia a nu 3 44 WEM700 Series Waveform Monitors User Manual AS AE 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 Use Proper Power Cord Use only the power cord specified for this product and Personal Injury certified for the country of use 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 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 Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that ter
20. in these modes If a serial system has a distur bance that appears related to video patterns either word or TV line use the 10 Eye SD or 20 Eye HD display mode to analyze the problem Use the Line Select function to place the area of interest in the Eye pattern display WEM700 Series Waveform Monitors User Manual 3 23 Reference 3 24 Using Line Select When Line Select is off the jitter measurement reflects the maximum amount of jitter in the full field When Line Select is on and Line sweep is selected the jitter measurement displays line n jitter with n being the selected line number The jitter measured on an individual line will always be equal to or less than the full field jitter measurement Bandwidth Filters The waveform monitor provides four bandwidth filters 10 Hz 1 kHz 10 kHz and 100 kHz These filters only show jitter terms above the selected filter frequency When you select a filter depending on the active input signal you select the jitter measurement type Timing Alignment or neither as defined by the SMPTE standard Use the lowest settings to measure timing jitter and the higher settings to measure alignment jitter The type of jitter measurement is displayed in the Measured Jitter box To measure timing jitter select the 10 Hz filter for both SD and HD video signals To measure alignment jitter select the 1 kHz filter for SD video signals and the 100 kHz filter for HD video signals NO
21. on the alignment of the center marker and the null point at the center of the waveform The generator provides a center marker which is centered on the null point when interchannel timing is correct In Figure 3 6 the chrominance channel CH 3 Pr is advanced relative to the luminance channel by 20 ns Relative Gain Check The relative gain check is based on the null point at the center of the Bowtie waveforms If the gains are not equal the center null point will not be a complete null If the gain error is in CH 1 neither waveform has a complete null If CH 2 gain is off the left waveform will not null completely but the right one will If the gain is off for CH 3 as in Figure 3 6 the left waveform will be normal and the right one will not reach a complete null Shifted null point Incomplete null 7 gt Waveform showing timing error in CH 3 Waveform showing gain error in CH 3 20 ns advanced Figure 3 6 Bowtie waveforms showing timing and relative gain errors WFM700 Series Waveform Monitors User Manual Reference Composite Display The instrument provides a composite representation of both SD and HD component signals To access the composite display set the color space to composite in Waveform mode or select Composite Graticule in Vector mode Data Display WFM700M Only The Data Display mode shows the actual SD or HD input data without any interpolation Data Display Colors Different fields of the d
22. signal The 930 mV line represents the upper limit of chrominance excursion and the 230 mV line is the lower limit of chrominance excursion The 300 mV line represents the sync tip level Signals exceeding the luminance amplitude gamut extend above the top horizontal limit top electronic graticule line Signals exceeding the luminance plus or minus peak chrominance amplitude gamut extend beyond the upper and lower diagonal limits The bottom horizontal line shows the minimum allowed luminance level 3 28 WFM700 Series Waveform Monitors User Manual Reference 100 IRE 110IRE 120 IRE 131 u High Luma limit gt High Composite limit Luma amplitude A 75 0 Chroma amplitude 24 IRE 33 IRE 40 IRE Low Luma limit Figure 3 11 NTSC Arrowhead graticule 700 mV 950 mV So 7 High Luma limit High Composite limit Luma amplitude Low Composite limit 0 Chroma amplitude 230 mV 300 mV Low Luma limit Figure 3 12 PAL Arrowhead graticule WEM700 Series Waveform Monitors User Manual 3 29 Reference 3 30 Setting Gamut Alarm Limits Listed below are general guidelines for setting gamut alarm limits for the Diamond and Arrowhead displays Default Thresholds Use the Grat Gamut Default Setup submenu of the Configure menu to select the standard used for default gamut thresholds Tek or IBU R103 The Tek thresholds are the default gamut thresholds historically used by video mo
23. the waveform graticule display and comparing it to the other SDI signals ensuring that they are positioned at the same mark There are no vertical pulses in the digital domain digital systems calculate their video position based on the values of E V and H Therefore a reference point must be defined in order to measure vertical timing For simplicity the first line of active video can be used as the reference because the vertical blanking lines are normally blank 5 To measure vertical timing perform the following steps a Set Line Select and Sweep for two line mode b Select Field 1 and set Line Select at the setting that will display the last line in the vertical interval and the first line of active signal Input A The Line Select setting should be line 20 for 1080 Interlaced HDTV 41 for 1080 progressive formats 25 for 720 progressive 19 for 525 interlace or 22 for 625 interlace If necessary adjust the vertical timing of the signal source until the display is correct c Select Input B and make sure the last vertical and first active lines are displayed If necessary adjust the vertical timing to align both vertical positions to the start of active video d Switch back to Input A and set MAG to ON noting the amplitude of the SAV pulses e Ifthe amplitudes of both pulses are identical they are in the same field If not the two signals are in opposite fields and timing adjustments should be made to align the so
24. this diagnostic you must reboot the instrument to return to normal operation WFM700 Series Waveform Monitors User Manual Reference Eye Jitter Mode WFM700M Only Press the EYE button to access the Eye Jitter menu and measurements Making Eye The Eye pattern display presents a voltage versus time waveform composed of Measurements multiple sweeps of the SD or HD serial bit stream You can set the sampled eye pattern to display either a full word of correlated data 10 Eye display in SD 20 Eye display in HD or a three data bit overlay showing jitter uncorrelated to the parallel word 3 Eye display In the word cor related mode the sweep is also synchronized to the video so that you can see any shift in the data stream timing correlated to horizontal or vertical video information This mode is most useful for detecting jitter patterns or modulation related to parallel to serial conversions Jitter is seen in the eye diagram as a horizontal thickening of the trace As jitter increases the opening in the eye shrinks until the receiver can no longer reliably decode the serial stream The usefulness of the eye measurement decreases with long cable lengths Even a short cable will slow the rise time and make evaluation of a source difficult Slightly longer cables will make one eye run into the next This is called intersymbol interference It makes the eye appear to have multiple levels and closes the eye opening vertically long
25. 00 select option 3 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix Web site for a list of offices WEM700 Series Waveform Monitors User Manual vii Preface viii WFM700 Series Waveform Monitors User Manual AAA AAA Getting Started REE AS Getting Started This section contains a list of accessories an installation procedure and a functional check to verify the primary functions of your waveform monitor For instrument specifications refer to the WFM700 Series Technical Reference document on the CD ROM Product Description The WFM700 waveform monitor is designed to meet the multi format monitor ing and measurement needs of digital video for program production post pro duction and transmission The waveform monitor has three base models WFM700HD Monitors high definition SMPTE 292M video WFM700A Monitors standard definition ITU R BT 601 and high defini tion SMPTE 292M video WEM 700M Measurement instrument for standard definition ITU R BT 601 high definition SMPTE 292M and hybrid serial digital operations Each waveform monitor includes m One external reference module m One video module with two inputs At the time of purchase or at a later date you can add an additional video module and or the Option
26. 00 Series Waveform Monitors User Manual Reference Viewing Alarm Status Use the Status Display mode to view current alarm conditions Use the Event Log to view past alarm conditions Refer to Status Displays on page 3 37 and Logging on page 3 32 for more information Error Detection When the instrument is in the Eye Jitter operating mode all enabled alarms are Limitations detected and reported except for the following alarms RGB Gamut Composite Gamut and Closed Caption Presence Detection of analog line 21 closed caption does not operate if the instrument is in Data mode or in Multi mode when the Data display is selected as one of the displays Eye Measurement Alarms When enabled the eye measurement alarms will be reported to the Event Log in only the following two conditions m When the Eye display is selected and the eye measurement readout is turned on m When the Event Log or Alarm Status displays are selected after the eye measurement readout is turned on That is if you enter the Eye display and turn on the eye measurements and then you use the STATUS button to view the Event Log or Alarm Status displays the eye measurement alarms will be active If you select another display mode such as Jitter or Waveform the eye measurement alarms will be disabled Jitter Measurement Alarm When enabled the Jitter alarm will be reported to the Event Log in only the following two conditions m When the Jitter display is selected
27. Area Masking This feature lets you set the percentage of the total image pixels up to 10 that can be outside the current gamut limits yet not be reported as a gamut error The Area setting does not affect bright up in the Picture display Use Line Select mode to select one line of the video signal to display and measure Line Select stays active as you change between major modes This enables you to select a line in Picture mode and then go to other modes to view the same line The selected line is highlighted in Picture mode and in the thumbnail picture The external picture monitor signals also contain a bright up if enabled in the Video Inputs Outputs submenu of the Configure menu NOTE Line Select mode is automatically disabled when Field sweep is selected Line Select mode is always enabled in Data mode The Field and Next Field soft keys select the field from which the selected line sample is taken Select All Fields to display the same line number from all fields in a frame The 1 of 2 selection lets you choose a line from only one field in a frame Touch the Next Field soft key repeatedly to cycle through the fields in a frame Sample Select determines what portion of the video line is viewed in Data Display mode WFM700M only Sample Select is also active in Picture and thumbnail modes to allow correlation of events between modes WEM700 Series Waveform Monitors User Manual 3 31 Reference Logging The instrumen
28. DG audio module to any of the three base model waveform monitors WEM700 Series Waveform Monitors User Manual 1 1 Getting Started Standard Accessories Listed below are the standard accessories shipped with each waveform monitor Documents The following documents are shipped with each waveform monitor WFM700 Series Release Notes Tektronix part number 061 4247 XX m WFM700 Series User Documentation Package Tektronix part number 020 2532 XX This package contains the following items WFM700 Series User Manual Tektronix part number 071 0916 XX m WFM700 Series User Documentation CD ROM Tektronix part number 063 3720 XX The CD ROM located on the back cover of the user manual contains PDF files of the following documents WFM700 Series User Manual the WFM700 Series Technical Reference and the WFM700 Series SNMP MIB Reference Power Cords All WFM700 waveform monitors are shipped with one of the following power cord options Power cords for use in North America are UL listed and CSA certified Cords for use in areas other than North America are approved by at least one authority acceptable in the country to which the product is shipped 1 2 WFM700 Series Waveform Monitors User Manual Getting Started Table 1 1 Power cord options and identification Plug configuration lt P AF NV lt gt AN 9 BN Q Yw VRA Y WFM700 Series Waveform Monitors User Manual Normal usage North Am
29. ED fault codes 2 2 Lightning display 3 41 interchannel timing measurement 3 43 luminance gain measurement 3 43 PbPr gain measurement 3 43 Lightning graticule marks 3 41 Line Select menu 2 25 Line Select mode 3 31 MAG readout 2 6 Major mode buttons 2 4 Making menu selections 2 11 Measure menu 2 26 Measure mode 3 34 Measurement amplitude with Vector display 3 40 Eye Pattern aberrations 3 20 3 22 Eye Pattern amplitude 3 20 3 22 Eye Pattern rise time 3 21 3 22 interchannel timing with Lightning display 3 43 measure 2 26 preset 2 29 print 2 30 status 2 30 sweep 2 31 vector 2 32 waveform 2 33 MIB document v Minor mode buttons 2 4 Modes Arrowhead 3 28 Audio 2 13 3 7 Data display 3 15 Eye 3 17 Freeze 2 21 Gamut 3 27 Jitter 3 23 Line Select 3 31 Measure 3 34 Split Diamond 3 27 Status 3 37 Vector 3 40 Video 3 15 Waveform 3 44 Jitter 3 23 luminance gain with Lightning Display 3 43 observing word correlated behavior 3 23 PbPr gain with Lightning display 3 43 phase with Vector display 3 40 vector timing with Vector display 3 41 Measuring serial sources 3 17 3 22 3 23 3 27 Menu diagrams 2 11 how to use 2 12 Menu hierarchy 2 11 Menus 2 11 config 2 14 cursor 2 18 data display 2 26 display 2 19 eye 2 20 freeze 2 21 gain 2 22 gamut 2 23 help 2 24 input 2 24 line select 2 25 WEM700 Series Waveform Monitors User Manual Momentary fa
30. Figure 2 22 Use the Status display mode to perform the following tasks m View the status of the selected video signal m View the status of the selected audio signal m View the status of the auxiliary data in the selected video signal m View the status of the monitored alarms m Enable disable configure and view the event log For more information about using the Status mode displays refer to Logging on page 3 32 and Status Displays on page 3 37 VIEW Session Alarm Status Event Log Done Display Status Display Menu VECTOR STATUS gt Status Menu Session Video Session Audio Session I Aud Vid Aux Data _ Aux Data Status Session Menu PICTURE MEASURE sa Session Stopped Running Reset Session EYE Alarm Status General Alarms Serial Alarms Alarm Menu Audio Alarms Aux Data Alarms Physical Alarms WFM700M only Show All Alarms Event Log Show All Events Errors Only Show General Alarms RN Log Filter Show Serial Alarms Logging Menu Configure View Filter Menu Show Audio Alarms Show Aux Data Alarms Logging Stopped Running Show Physical Alarms WFM700M only Erase Log Done Figure 2 22 Status menu diagram 2 30 WEM700 Series Waveform Monitors User Manual Menus Sweep Menu Press the SWEEP button while in Waveform mode to display the Sweep menu shown in Figure 2 23 The Sweep menu is also functional in the Vector and Eye ope
31. Inputs Outputs submenu of the Configure menu to enable or disable bright ups or contrast patterns to show areas that are out of gamut or to show the selected line or sample Use the Display menu to enable a thumbnail picture that appears in other display modes WEM700 Series Waveform Monitors User Manual 3 35 Reference Printing 3 36 NOTE The instrument formats print output in Postscript color or Postscript black and white formats The selected printer must support LPD protocol Use the Printing Event Log submenu of the Configure menu to configure the instrument to print the following items to a printer on your local network Instrument display To print the current instrument display waveforms and text press the Print button NOTE When printing the Eye pattern display set the trace intensity to a value greater than 20 for good contrast between the trace and the background m Event Log file To print the Event Log file press the Print button when you are viewing the Event Log in the Status display The complete Event Log file will be printed m Diagnostics Log file To print the Diagnostic Log file use the System submenu of the Configure menu WEM700 Series Waveform Monitors User Manual Reference Status Displays Press the STATUS button and then touch the Display soft key to select from the following status displays m Session Use this selection to view the Video Status Session Audio S
32. Menu SWEEP GAIN CURSOR LINE SEL INPUT Cursor Menu If the instrument is in a mode that supports measurement cursors Waveform Eye or Jitter modes the Cursor menu shown in Figure 2 9 is displayed when you press the CURSOR button The cursor 1 and 2 settings and the difference between the two are shown in the readout in the upper right part of the screen Figure 2 9 Cursor menu diagram 2 18 Moving the Cursors Voltage Time Voltage Time V T Control m Cursor1 lt gt m Cursor2 lt gt H Cursor to Center m Track Cursors Time sec 1 T Set Units amp 100 Percent Cursors Menu Voltage mV Done Set 100 The selected active cursors are red and the inactive cursors are blue To move the active cursor 1 Touch the Voltage Time soft key to select the cursor type voltage time or both voltage and time If you select both use the V T Control soft key to toggle between adjusting voltage cursors and adjusting time cursors Touch the corresponding soft key to select the active cursor Cursor 1 Cursor 2 or Track Cursors Use Track Cursors if you want to adjust the position of either the voltage or the time cursors as a pair If Track Cursors is not selected you can use the SELECT button to toggle between Cursor 1 and Cursor 2 as the active cursor Turn the general purpose knob to move the active cursor s The correspond in
33. Press to Edit IP Address Subnet Mask Press to Edit Subnet Mask Gateway Address Press to Edit Gateway Address Remote Control Port Enabled Disabled Remote Web Interface Enabled Disabled Remote SNMP Mode Disabled Read Only Enabled SNMP Traps Disabled Enabled SNMP Public Comm String Press to Edit Public Community String SNMP Private Comm String Press to Edit Public Community String SNMP Trap Destinations Press to Select Trap Destination to Edit Instrument Name Press to Edit Instrument Name Touchpanel Calibration Eye Gain Adjust SD Jitter Gain Adjust HD Jitter Gain Adjust Eye Loop BW Adjust 10 Hz i iseti i ese menu selections appear only Eye Loop BW Adjust 100 Hz on the WFM700M and are intended Eye Loop BW Adjust 1 kHz for service personnel only Jitter HPF Adjust Eye Sig BW Test Current Time Press to Edit System Time Time Format 12 Hour 24 Hour Current Date Press to Edit System Date Date Format mm dd yyyy dd mm yyyy Run Full Powerup Diagnostics Powerup Diagnostics Brief Full Run Internal Digital Path Diagnostics Run Audio Path Diagnostics Option DG module only Diagnostics Erase NVRAM Log Install Upgrade Start Fi Installati View Diagnostic Log a nstall Upgrade Start Firmware Installation View Next Log Page Back to Diags Menu Print Diagnostics Log Figure 2 8 Configuration menu diagram part 4 WEM700 Series Waveform Monitors User Manual 2 17 Menus Cursor
34. RIB STD B39 display 3 6 Arrowhead display 2 23 3 28 Audio channels readout 2 5 display elements 3 8 3 10 display mode selection 3 8 input selecting 3 7 menu 2 13 Audio mode 3 7 AUX INPUT connector 2 9 AUX OUT connectors 2 10 WEM700 Series Waveform Monitors User Manual Bowtie Display relative gain check 3 14 Bowtie display timing measurement 3 14 Buttons finder 2 24 front panel 2 4 C Cabinet ordering 1 4 Capture 2 21 Carrying case 1 4 CD ROM v Clock recovery bandwidth 3 17 Closed Caption Presence readout 2 6 CLR MENU button 2 11 Composite display 3 15 Config menu 2 14 Configuring a parameter 2 11 Contacting Tektronix vii Content Advisory V chip readout 2 6 Context sensitive help 2 24 Current reference readout 2 5 Current time and date readout 2 6 Cursor menu 2 18 Cursor readout 2 6 Cursors measurement accuracy 3 19 3 26 D Data jitter measurement with Eye Pattern 3 23 Data Display menu 2 26 Data Display mode 3 15 Data mode HD 3 15 Data mode SD 3 15 Diagnostics 3 16 Diamond display 2 23 checking RGB Gamut 3 27 RGB gamut 3 27 DID and SDID ancillary data values 3 5 Display menu 2 19 Documents v Index 1 Index E EC self test failed 2 3 Error indicators Alarm Status display 3 39 Errors 3 2 ETHERNET connector 2 10 Event log icons 3 33 EXT VGA connector 2 10 Eye measurements 3 17 Eye Measurements readout 2 6 Eye me
35. T B Digital 75 terminating input for signal to be monitored For WFM700HD this can only accept 1 485 Gb s High Definition serial video For the WFM700A and WFM700M this input can accept HD and 270 Mb s Standard Definition video REF IN LOOP THROUGH Compensated for 75 2 impedance requires proper termination at one end of the loop through connector or at the receiver in a monitored system Provides for connection of an external synchronization signal such as black burst or composite video AUX IN Future capability When your instrument has the optional WFM7DG audio module installed the waveform monitor provides BNC connectors that function either as inputs for external AES EBU audio not necessarily associated with any video or as outputs of the de embedded AES audio associated with the selected video input Use the Audio Inputs Outputs submenu of the Configure menu to configure these connectors WEM700 Series Waveform Monitors User Manual 2 9 Functional Overview Table 2 5 Rear panel connectors Cont Connector s Multi pin connectors Coaxial Outputs Description The waveform monitor provides the following multi pin connectors VGA PIX MON A copy of the PIX G Y B Pb R Pr pix mon outputs This allows using an inexpensive VGA monitor for non critical HD applications Most computer monitors will not lock to 50 Hz vertical rates or to Standard Definition line rates so this may not work in all applications EXT VGA
36. TE Many jitter problems in systems have resulted from genlocking clocks to other references such as the horizontal synchronization pulse Reference jitter transferred by genlocks into a serial system is typically between 20 and several hundred Hertz Also the phase detection process used by the genlock can add noise which results in jitter in the 10 Hz to 1 kHz range Use the appropriate BW Limit filter selection to include or reject genlock jitter from a measurement WEM700 Series Waveform Monitors User Manual Reference Reporting Jitter Measurement Errors When enabled in the Physical Alarms submenu of the Configure menu the Jitter alarm will be reported to the Event Log in only the following two conditions m When the Jitter display is selected m When the Event Log or Alarm Status displays are selected after the Jitter display is selected That is if you enter the Jitter display and then use the STATUS button to view the Event Log or Alarm Status displays the jitter measurement alarm will be active If you select another display mode such as Eye or Waveform the jitter measurement alarm will be disabled Use the Set Default Thresholds soft key to set the thresholds back to the default values for the type of signal you are monitoring SD SMPTE 259M or HD SMPTE 292M The default value for the jitter measurement 0 2 UI which is the maximum alignment jitter specification for both SD and HD signals and is the maximum timing j
37. User Manual Tektronix WEM700 Series Waveform Monitors 071 0916 08 This document applies to firmware version 3 0 X www tektronix com 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 Audio Surround Sound display courtesy of Radio Technische Werkstaetten GmbH amp Co KG RTW of Cologne Germany WARRANTY 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 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 pr
38. ach eye crossing Select the 10 Hz bandwidth filter to measure the total broadband jitter use this setting if composite D A conversion is planned Position the timing cursors to measure the width of the Eye zero crossing point see Figure 3 9 If necessary use the Gain and Sweep menus for better vertical and horizontal resolution Check that delta between the two timing cursors is less than the following over one horizontal line m SD signals 740 ps 0 2 unit intervals per SMPTE259M m HD signals 673 ps 1 0 unit interval per SMPTE292M Figure 3 9 Timing Cursors alignment for measuring timing jitter 3 26 WEM700 Series Waveform Monitors User Manual Reference Gamut Measurements Checking RGB Gamut NOTE Gamut error detection is disabled in Eye and Jitter display modes The waveform monitor features three types of gamut displays m The Diamond display shows the relationship between the R G and B video signals The waveform monitor converts the Y Pp and P components of the signal into R G and B to form the Diamond display m The Split Diamond display separates the upper and lower diamonds to show excursions below black otherwise it is identical to the Diamond display m The Arrowhead display checks that signals conform to legal composite gamut space NOTE Refer to the reference document A Guide to Standard and High Definition Digital Video Measurements at the Tektronix Inc Web site www tekt
39. agnostics Powerup Diagnostics Setting Running Diagnostics The waveform monitor provides diagnostics capabilities which are accessed through the System submenu of the Configure menu You can view or print the Diagnostics Log which contains the results of the last diagnostic test that the instrument performed You can also download the Diagnostic Log using the Remote Web Interface At power up the instrument runs either full or brief diagnostics depending on the setting in the System submenu of the Configure menu You should run diagnostics after installing a new module upgrading the instrument firmware or when troubleshooting suspected instrument problems Warning messages are displayed in yellow text PASS and FAIL messages are labeled PASS green text or FAIL red text You have the following diagnostic choices Run Full Powerup Diagnostics The instrument goes through all of the diagnostics and displays the results Run Internal Digital Path Diagnostics The instrument checks the main digital paths within the instrument and displays the results of the various tests If there is only one video module installed expect some yellow warnings After running this diagnostic you must reboot the instrument to return to normal operation Run Audio Path Diagnostics WFM7DG Only The instrument checks the audio paths within the instrument from the optional WFM7DG audio module and displays the results of the various tests After running
40. ample pressing WFM selects the Waveform display mode and opens the Waveform menu m The button illuminates to show that the mode is activated NOTE The Eye button is functional on WFM700M instruments only These buttons activate a function that works with one or more major modes and generally function as follows m Pressing a button activates a function if that function is supported in the currently selected major mode and displays the menu for that function m The front panel button illuminates to show that the mode is activated m Pressing the CLR MENU button clears the function menu from the screen leaving the function active The major mode button LED will be on and the minor one will be off m Some minor modes like Line Select Sweep and Cursor remain active and modify the display when their menu is not displayed In this case press the front panel button once to bring the menu back and then again to exit the mode m Settings selected in Sweep can only be turned off by pressing the SWEEP button and using the menu to change modes The only exception is that when Eye display mode is selected if the instrument is in 2 Line or 2 Field sweep the sweep setting is changed to 1 Line or 1 Field respectively and does not revert back when you exit the Eye display mode These buttons perform their function depending on the current mode m Press the SELECT button to make a menu selection m Press the PRINT button to print th
41. ata stream are shown in different colors as shown in and Units Table 3 2 Use the Readout Format soft key to view the data in Hex Decimal or Binary units Table 3 2 Data display colors Color Use Green Active video data Gray Data in horizontal or vertical blanking intervals White EAV and SAV packets other reserved values such as the XYZ word Yellow Data outside the nominal allowed values Red Data with illegal values Video Data Selection The instrument provides two modes for representing signal data Video and Data Video Mode Shows the data like the video YPbPr display in waveform mode but without interpolation The Y Cb and Cr traces are offset vertically to separate them but are aligned temporally Since Cb and Cr have half the data rate of Y the samples appear twice as long Use the Select Channels soft key to turn off individual components of the display Data Mode SD Shows the data in the same sequence as it occurs in the serial domain You see a sample of Y then of Cb then of Y Y prime and then of Cr Then the sequence repeats The Y sample is the co sited sample and the Y sample is the isolated luma sample Data Mode HD Splits the serial data into a Y channel and a multiplexed Cb Cr channel The intent is to show the data in the same orientation as it occurs in the serial domain even though it is displayed as 8 or 10 bit values WEM700 Series Waveform Monitors User Manual 3 15 Reference Di
42. ation methods are enabled An X indicates that a notification method is selected and an O indicates that the notification method is not selected Refer to the WFM700 Series Technical Reference document on the CD ROM for a description of each alarm condition For each available alarm you can select one or more notification methods NOTE If you do not select a notification method for an error you will not be notified if that error occurs m On screen An icon appears at the top of the current display This notification method is disabled when the Configure menu is open m Beep The instrument makes an audible alarm m SNMP The instrument sends an SNMP trap out the Ethernet port for a remote notification that an alarm condition occurred You must enable and configure the instrument for SNMP control using the Communications submenu of the Configure menu before SNMP traps can be sent Refer to the WFM700 Series Technical Reference document and the WFM700 Series SNMP MIB Reference on the CD ROM for more informa tion about using SNMP alarm notifications m Logging The instrument makes an entry in the Event Log Refer to Logging on page 3 32 for more information m Ground Closure The instrument sends a signal out the Remote port for a remote notification that an alarm condition occurred You must enable the Remote Control Port in the Communications submenu of the Configure menu before notifications can be sent WEM7
43. ation of detected signal conditions Table 3 4 shows the icons you may encounter as they appear on screen and in the Event Log file downloaded using the Remote Web Interface Table 3 4 Event Log error status icons Remote Web On screen icon Interface symbols Description XXXX Identifies a persistent more than one video field alarm condition that was present when logging started The on screen icon is red RX Identifies an alarm condition that persisted for more than one video field The on screen icon is red se Ns Identifies a momentary pulse alarm condition that persisted for less than or equal to one video field The on screen icon is red X __ Identifies an alarm condition that cleared for more than one video field The on screen icon is green XVX Identifies an alarm condition that cleared for less than or equal to one video field The on screen icon is red AN Identifies an intermittent alarm condition one field Tall on one field off The on screen icon is red WEM700 Series Waveform Monitors User Manual 3 33 Reference Measure Mode WFM700M Only Multi Mode 3 34 Press the MEASURE button to access the Data Display The Data Display mode shows the actual SD or HD input data without any interpolation Refer to Data Display WFM700M Only on page 3 15 for more information From the Measure submenu of the Data Display menu you can access the following three display modes m Bowtie Use this di
44. ationship between components Line Select Use the Line Select function to select part of the video signal to display and measure Freeze Use the Freeze feature to capture freeze the active signal and compare the frozen signal to the live signal 3 44 WEM700 Series Waveform Monitors User Manual Reference Sweep Use the Sweep menu to select from the following sweep modes m Line One horizontal line is displayed Use the Line Select function to choose one line out of a field or frame m 2 Line Overlay mode only Two consecutive horizontal lines are displayed m Field All lines for one video field are displayed m 2 Field Overlay mode only All lines for two video fields are displayed m Mag Turns the Mag function on and off NOTE In waveform mode the instrument does not maintain separate sweep settings for the different color space selections Changing the sweep selection in one color space setting changes the sweep mode in all color space settings The composite color space does not support 2 Line and 2 Field sweeps Time div varies with format and sweep type to keep the displayed waveform a reasonable size Mag Sweep When Mag sweep is on the horizontal scale is magnified about the center of the screen In the magnified mode the waveform extends off both sides of the CRT Use the horizontal position knob to pan left and right on the waveform NOTE Timing cursors operate correctly in the magnified mo
45. ators WEM700 Series Waveform Monitors User Manual 3 11 Reference Figure 3 5 shows examples of how the Surround Sound waveform appears for some typical signal types Uncorrelated signals same level in Sine wave test tone same level in Sine wave test tone same level in the L R Ls and Rs channels the L R Ls and Rs channels the L R Ls and Rs channels All signals are in phase creating Channels R Ls and Rs are in phantom sources between the phase creating phantom sources adjacent channels between the adjacent channels Channel L is out of phase Surround sound program with strong Surround sound program with weak Monaural signal in channels Ls and center channel presence center channel presence Rs creating a phantom source in the center as in a 3 1 surround sound system Figure 3 5 Typical waveforms on the Surround Sound display 3 12 WFM700 Series Waveform Monitors User Manual Reference Channel Status Display The Channel Status display shows the channel status information for one channel pair at a time that is embedded in the AES3 1992 professional or IEC 60958 3 consumer digital audio channels You can select from the following four display formats Text Binary XMSN Order Binary or Hex Embedded Audio Status This display reports the following information Display eee ares Which video input is the source of the embedded audio m The standard used by the embedded audio signal m Which au
46. be used to help prevent the undesired impact of color gamut violations A Guide to Standard and High Definition Digital Measurements This book is a primer for understanding the basics for making standard and high defini tion digital video measurements Analog and Digital Audio Monitoring This application note describes how to monitor analog and digital audio signals Also discussed are specific differences in the methods used to monitor analog audio versus digital audio and how to plan the transition from monitoring analog audio to monitoring digital audio Audio Monitoring This application note describes balanced and unbalanced audio signals and explains the physical and electrical characteristics and the specific strength and weaknesses of the different digital audio signal formats Monitoring Surround Sound Audio This application note describes the basics of 5 1 channel surround sound audio and how to use the Surround Sound display to visualize key audio level and phase relationships in this audio format WEM700 Series Waveform Monitors User Manual Preface Contacting Tektronix Phone Address Web site Sales support Service support Technical support 1 800 833 9200 Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 www tektronix com support 1 800 833 92
47. before the receiver fails to decode the signal The only information the eye measurement gives on longer cables is some idea of the cable length Different clock recovery bandwidths can be selected to help isolate the frequency of any jitter that is observed When a bandwidth setting is chosen only jitter at frequencies above that bandwidth are observed You can turn on or off a readout that displays automatic measurements and a histogram of the eye waveform Refer to Automatic Eye Measurements on page 3 18 for more information Setup for Eye Measurements Perform the following steps to prepare the instrument for Eye measurements 1 Connect a 100 Color Bar serial video signal to the instrument using a 75 Q cable of two meters or less in length Use high quality low loss coaxial cable such as Belden 8281 2 Press the GAIN button and select 1x vertical gain 3 Press the EYE button to select the Eye Pattern display WEM700 Series Waveform Monitors User Manual 3 17 Reference Automatic Eye Measurements When the Eye display is selected you can use the Eye Meas soft key to turn on or off a readout that displays automatic measure ments of the eye waveform see Figure 3 7 The measurement readouts are colored red when the eye waveform exceeds the defined thresholds Use the Set Default Thresholds soft key to set the eye measurement thresholds to the levels defined by the associated standard SD signals SMPTE 259M HD signal
48. ch the Variable Gain soft key and then turn the general purpose knob to select a setting of 1 50x The vertical gain is 1 5 Now touch the 5x soft key The gain is 7 50x the product of 1 50 and 5 NOTE The variable gain range is from 0 25x to 14x You cannot select values outside this range Gain is only active in Waveform Vector Lightning Eye and Jitter modes In fixed gain settings the vertical graticule appears with a calibrated scale When variable gain is enabled in Waveform Jitter and Eye modes the graticule appears without a scale In Vector and Lightning modes the targets move when fixed gain settings are changed but do not move as variable gain is adjusted SWEEP GAIN AS Gain 1x Gain Menu CURSOR Gain 5x m Gain 10x LINE SEL H Var Gain lt gt INPUT L__ Var H Gain lt gt Ed available only in Lightning Mode Figure 2 13 Gain menu diagram WEM700 Series Waveform Monitors User Manual Menus Gamut Menu VIEW STATUS VECTOR PICTURE MEASURE Gamut Menu Press the GAMUT button to enter the Gamut mode and display the Gamut menu shown in Figure 2 14 Use the Gamut menu to view the Diamond Split Diamond or Arrowhead displays and to set the gamut measurement limits Refer to Gamut Measurements on page 3 27 for more information Diamond Diamond Standard Split lts Set RGB Thresho
49. de although one or both may be off screen during measurements When operating in two line sweep mode MAG factors are chosen that optimize the evaluation of the horizontal blanking interval To utilize this feature perform the following steps 1 Ensure that the waveform display is in OVERLAY mode 2 Select 2LINE sweep 3 Use the horizontal position control to adjust the waveform so that the blanking interval is aligned with the horizontal graticule indicating the center of the screen 4 Select MAG sweep WEM700 Series Waveform Monitors User Manual 3 45 Reference Measuring Relative Timing 3 46 Between Two Serial Component Signals To measure the timing of two digital signals use the following procedure Connect the two terminated SDI signals to be measured to Input A and Input B on the waveform monitor 2 Select Input A to display on the waveform monitor 3 Verify that the waveform monitor is externally referenced to a black burst or tri level sync signal as appropriate 4 Inthe Video Inputs Outputs submenu of the Configure menu set Strip EAV SAV to Pass This mode allows the 3FF 000 000 and XYZ values to be displayed on the waveform monitor as shown in Figure 3 15 NOTE The transition from 3FF to 000 and 000 to XYZ produces ringing on the display when passed through the appropriate SD or HD filter The SAV or EAV pulse can be used as a timing reference by positioning it on a major tick mark of
50. dio groups are selected use the Embedded Input Map to change m The embedded group sample phase HD signals only NOTE For HD signals the Embedded Group Sample Phase readout indicates the misalignment in microseconds and samples between the audio samples of the two selected embedded audio groups The readout turns red when the misalignment exceeds about 0 625 audio samples The readout displays N A if one or both of the selected audio groups is missing or if the video signal is SD m Whether the header indicates that audio is present on each pair of channels Status Present or Not Present WEM700 Series Waveform Monitors User Manual 3 13 Reference Bowtie Mode Measurements The Bowtie display evaluates the relative amplitude and timing between the three video channels To access the Bowtie mode press the MEASURE button touch the Measure Menu soft key and then touch the Bowtie soft key The Bowtie display requires a special test signal to be sent from the monitored source The Tektronix TG2000 Signal Generation Platform can produce a Bowtie test signal with 20 ns time marks which aid in signal evaluation The signal is a 500 kHz sinewave on CH 1 luminance and 502 kHz sine waves on CH 2 Pb and CH 3 Pr The Bowtie display is made up of two separate waveforms The left waveform always compares CH 1 to CH 2 The right waveform always compares CH 1 to CH 3 Timing Measurement The timing measurement is based
51. display monitor Interchannel Timing Measurement The scale sequence of dots between the green and magenta targets provides a way to check interchannel timing CH 2 to CH 1 and CH 3 to CH 1 or signal delay If the color difference signal is not coincident with luminance the transitions between color dots will bend The amount of this bending represents the relative signal delay between luminance and the color difference signal The upper half of the display measures the Pb to Y timing while the bottom half measures the Pr to Y Timing If the transition bends in toward the vertical center or black region the color difference signal is delayed with respect to luminance If the transition bends out toward white the color difference signal is leading the luminance signal Figure 3 13 shows a signal with proper interchannel timing In Figure 3 14 the Lightning display shows that the signal has Y Pb and Y Pr timing errors Pr and Pb Gain Measurement The horizontal deflection of the top half of the display is an indication of the Pb gain and the lower half indicates the Pr gain If the color bar signal dots are within the horizontal dimensions of the appropriate graticule targets the Pb and Pr gains are within 2 of the correct amplitude Since the vertical and horizontal dimensions of the graticule target boxes indicate 2 luminance and color difference gain errors respectively you can evaluate each color bar for encoding accuracy with these l
52. e instrument display m Press the CLR MENU button to clear a menu display Buttons WFM VECTOR PICTURE GAMUT AUDIO MULTI STATUS MEASURE EYE HELP CONFIG SWEEP GAIN CURSOR LINE SEL FREEZE DISPLAY INPUT PRESET SELECT PRINT CLR MENU WFM700 Series Waveform Monitors User Manual Functional Overview Touch Screen Soft Keys Use the touch screen to select choices from a menu and to access additional instrument menus Buttons that appear on screen are referred to as soft keys and change with the instrument mode The soft keys function as follows m Some soft keys toggle between two settings such as enable and disable m Some soft keys act as a linked group in which only one button can be selected at a time mutually exclusive Readouts Various on screen readouts inform you of instrument settings and conditions depending on the current state of the instrument see Table 2 4 When a menu is displayed the readouts on the lower part of the screen move above the menu Table 2 4 Readout descriptions Readout Location Description Current reference Ref Lower left Text indicates the current source of the video reference INT active input signal or EXT signal applied on the external reference connector Also displays the type and status of the reference Vector graticule type Bars Lower left Text indicates the current setting of the Vector Graticule 75 or 100 Horizontal gain HGain Lowe
53. en the Data menu shown in Figure 2 18 Use the Data Display mode to view the actual data that the instrument used for measurements Refer to Data Display WFM700M Only on page 3 15 From the Data menu press the Measure Menu soft key to open the Measure menu where you can access the following displays Bowtie mode refer to Bowtie Mode on page 3 14 m Ancillary Data display refer to Ancillary Data Display on page 3 4 ARIB STD B39 display refer to ARIB STD B39 Display on page 3 6 VIEW a Data b L Select Channels Select Channels s Done VECTOR STATUS ah am Hex Decimal Binary Done PICTURE MEASURE H Readout Format Readout Format Data Menu gt S EYE r Line lt gt Bowtie H Sample lt gt Data Display DID lt gt Measure Menu Measure Menu Anc Data Display Anc Data Menu SDID DBN lt gt Measure Menu ARIB B39 Display Anc Data Menu Measure Menu Figure 2 18 Data menu diagram 2 26 WEM700 Series Waveform Monitors User Manual Menus Multi Menu Press the MULTI button to enter Multi mode which displays the Multi menu shown in Figure 2 19 Multi mode shows two different views of the same input signal side by side You must use the Input menu to select a different input signal to display Refer to Multi Mode on page 3 34 for more information VIEW WFM
54. er to Table 2 2 on page 2 3 for LED fault codes If the airflow is blocked and the instrument does not shut down the instrument could be seriously damaged WEM700 Series Waveform Monitors User Manual 1 5 Installation and Power On Connecting Power A AC Power Requirements A Powering On the Instrument 1 6 The waveform monitor operates from a single phase power source with the neutral conductor at or near earth ground The line conductor is fused for over current protection A protective ground connection through the grounding conductor in the power cord is essential for safe operation WARNING To avoid serious personal injury from electric shock do not operate the instrument with the cover removed When power is supplied via the power cord line voltage will be present inside the waveform monitor even if the unit is in standby mode The waveform monitor operates from an AC line frequency of 50 or 60 Hz over the range of 100 240 Volts without the need for configuration except the power cord Refer to page 1 2 for the power cord options The typical power consumption is 100 W with one video module installed and 125 W with two video modules installed Power consumption increases by a negligible amount when there is an Option DG audio module installed Refer to the product specification tables in the WFM700 Series Technical Reference document on the CD ROM for additional information on power and environ mental
55. erica 120 V Universal Euro United Kingdom Australia Switzerland Japan China No power cord supplied Tektronix part Option number number Standard 161 0216 00 A1 161 0215 00 161 0066 10 A3 161 0066 11 A5 161 0154 00 A6 161 A008 00 AC 161 0304 00 A99 1 3 Getting Started Optional Accessories If you ordered any of the following optional accessories they were shipped with your waveform monitor Additional Inputs You can add any of the following video or audio modules to a unit NOTE You can have a maximum of two video modules and one Option DG audio module installed WFM7HD Serial digital video monitor module for HD WFM7A Serial digital video monitor module for SD and HD m WFM7M Serial digital video measurement module for SD and HD m WFM7DG AES digital audio measurement module Cabinets You can order any of these cabinets m WFM7FO2 Portable Cabinet m WFM7F03 Plain Cabinet m WFM7F05 Rack Adapter Documents The following documents are optional accessories m WFM700 Series Service Manual Tektronix part number 071 0915 XX m Option L5 Japanese language WFM700 Series User Manual Tektronix part number 020 2607 XX m Option L9 Korean language WFM700 Series User Manual Tektronix part number 020 2608 XX 1 4 WFM700 Series Waveform Monitors User Manual EA APTA Installation and Power On Hardware Installation This section contains information about installing and p
56. es Waveform Monitors User Manual Functional Overview Table 2 2 LED fault codes ON STBY Main power State LED Fault LED relay Description suggested action Standby Off Off Off No power Press the ON STBY switch for normal operation Check that the instrument power cord is plugged into the local power supply Off Cold Flashing The LCD may be damaged if operated at low temperatures If the internal temperature sensors detect a low temperature this fault code will be asserted Let the unit warm up and cycle the power or press the ON STBY switch for normal operation to occur This is a transient state It should never last more than one second It occurs when the internal sensors detect that one of the internal supplies is out of the allowable range In this state the instrument will be reset Momentary fault This state can occur due to an intermittent problem that requires service or from a drop out on the AC line If the fault persists for more than one second then the instrument will go to the Power Supply Fault state It is normal for the momentary fault state to be asserted when the AC line is removed while the instrument is running Power supply Off fault Off If the internal monitors detect that one of the internal power supplies is out of its allowed range the instrument will shut down and the Power Fault LED code will be asserted This can be triggered by multiple drop outs on the AC power supply to the instrument
57. eter value is outlined m Use the general purpose knob to change the numeric value In the Configure menu some configuration parameters use check box tables Touch the box on the screen to change selections Some configuration parameters show a list of items that you can scroll through using the general purpose knob Select items by using the SELECT button or by touching the desired item on the screen To exit all menus except the Configure menu press the CLR MENU button or press any major mode button To exit the Configure menu press the CONFIG button once if you are at the top level or twice if you are in a submenu or press any major mode button WEM700 Series Waveform Monitors User Manual 2 11 Menus Using the Menu Diagrams 1 Selected gt gt button VIEW WFM VECTOR PICTURE The menu diagrams contain the following components see Figure 2 3 1 A partial illustration of the instrument front panel highlighting the front panel button you select to enter the displayed menu Menu names shown in bold text Unique submenus connected with a dashed line These soft keys appear only when a certain mode such as Arrowhead is selected A list of menu soft keys that are displayed on the touch screen Touching one of these soft keys either activates a feature or enters a submenu Submenu names shown in bold text Submenu soft keys A vertical line separates two opt
58. g readouts and soft key displays update as you move the cursors You can touch the Cursor to Center soft key to move the selected cursor to the center of the display NOTE Mag or Gain settings other than X1 may cause the cursors to be off screen WFM700 Series Waveform Monitors User Manual Menus Display Menu Press the DISPLAY button to open the Display menu shown in Figure 2 10 Use the Display menu to adjust various display parameters HELP m Thumbnail Picture REIN i Waveform lt gt Trace Settings Color Green White Done FREEZE A Intensity lt gt Graticule Settings Color GLD RED DISPLAY 9 Rendition Additive Overlay Done Display Menu er Sleep Mode Note To exit Sleep Mode press any button turn any knob or touch the screen CONFIG Readout Enabled Disabled p Readout lt gt j Meadove amp Backlight Backlight lt gt Done PRESET Button Illum en Figure 2 10 Display menu diagram WEM700 Series Waveform Monitors User Manual 2 19 Menus Eye Menu WFM700M Only Press the EYE button to enter the Eye mode and display the Eye menu shown in Figure 2 11 Refer to Eye Mode WFM700M Only on page 3 17 for more information about using the Eye and Jitter measurement displays VIEW Eye A A Jitter VECTOR STATUS Physical Display Menu Event Log Done LI 000 AL PICTURE MEASURE
59. gnore them In the component domain there is no decoding required Therefore the color bar transitions contain useful timing information These timing differences appear as looping or bowing of the transitions While the Vector display allows you to visualize interchannel timing errors use the Lightning display to quantify the amount of timing error Lightning Display The Lightning display is a Tektronix Inc proprietary display combining a vertical luminance axis with horizontal chrominance information The Lightning display plots the color difference signals Pb and Pr with the luminance Y signal In the top half of the Lightning display Pb is plotted against Y and on the bottom half Pr is plotted against inverted Y The vertical center is the 0 V or black clamp point Lightning Graticule The Lightning graticule see Figure 3 13 has two sets of small cross hairs that bisect the green magenta transitions on a color bar signal The calibration of the marks is shown in Table 3 7 The electronic graticule eliminates the effects of CRT nonlinearity You can adjust the vertical and horizontal gain using the Gain menu and the Sweep menu to normalize signal amplitude and to expand the scale of the display to better view the small timing graticule cross hairs Table 3 7 Lightning graticule marks SD cross hair timing error calibration HD cross hair timing error calibration Graticule mark Description Graticule mark Description
60. hannel 3 Touch the Done soft key to save your selection NOTE For SD embedded audio only Preservation of audio sample phase between different AES channel pairs or across embedded audio groups is not supported by SMPTE 272M alone The Lissajous Custom Pair display may not correctly represent audio phase unless the following extensions to SMPTE 272M are observed 1 The selected audio channels must be embedded with exactly the same audio sample frequency 2 The intended sample alignment must be represented by the average embedded sample position 3 Most lines should carry phase aligned samples and should have an equal number of samples from each group This minimizes the number of attempts needed to reestablish correct alignment These are not requirements of SMPTE 272M and some embedders do not meet these criteria Furthermore some de embedding equipment may not make use of these characteristics even if present In these cases there may be variation in the displayed audio phase between different AES channels The variation is typically 1 audio sample but may be greater depending on random startup conditions and the design of the embedder de embedder WEM700 Series Waveform Monitors User Manual 3 9 Reference Elements of the Surround When you select the Surround Sound display see Figure 3 3 the left portion of Sound Display the screen displays the level meters and the right portion of the screen displays the Surrou
61. hite tic marks on these moving bar indicators show the phantom source locations The bar length indicates the correlation between the adjacent channels A short to medium length green bar indicates positive correlation between the channels forming a localized phantom sound source located at the white tic mark The bar grows to full length and changes color to yellow as the correlation moves to zero indicating a wide non localized sound image The bar changes color to red for adjacent channels with significant negative correlation For negative correlations the ends of the PSI for the L and R channels will continue to grow at a 45 angle while the other PSIs remain at full length A fifth PSI at the top of the display shows potential phantom sources formed by the LC channel pair and the CR channel pair If the L R and C channels all have the same signal level the white tic mark on the bar will appear directly above the C level indicator The white tic mark will move right or left depending on the relative balance between the three channels A short bar to the left of the white tic mark indicates a positive correlation between L and C The bar will grow as the correlation decreases Like the L R PSI the bar will continue to grow at a 45 angle for negative signal correlations The bar to the right of the white tic mark behaves in the same way depending on the C R correlation This PSI indicator uses the same color coding as the other PSI indic
62. icons are Icon Name Video Alarm Error Indi cator Red Hardware Fault Indicator Yellow Freeze Indicator Green Event Logging Indicator ES White Context Sensitive Help Description Appears at the top middle of the screen when video alarms have triggered and remains until just after the last alarm or error condition is resolved cleared Appears when there are hardware issues such as high temperature or a blocked fan and remains until the condition is resolved Appears at the left middle of the screen when a capture is available whether or not it is currently displayed Refer to Freeze Menu on page 2 21 Appears at the top middle of the screen when event logging is active When the instrument is in a major mode such as Waveform or Vector pressing the HELP button displays help about that mode WFM700 Series Waveform Monitors User Manual Functional Overview Rear Panel Connectors The rear panel connectors are shown in Figure 2 2 and described in Table 2 5 WFM7DG WFM7A or WFM7M module WFM7HD module module A f
63. ies or as one entry Use the Printing Event Log submenu of the Configure menu to set the event log storage mode m Log for Duration Logs intermittent events as one event to save space in the event log m Log for Resolution Logs intermittent events separately which preserves time stamp information for each event but quickly fills up the event log By default most of the possible alarms are enabled for logging Use the Configure Alarms submenu of the Configure menu to limit the number of monitored error conditions 3 32 WFM700 Series Waveform Monitors User Manual Reference Configuring the Event Log Full Condition Use the Printing Event Log submenu of the Configure menu to configure the instrument to either stop logging events or to overwrite events when the event log has filled up to the 10 000 entry level Viewing and Printing the Event Log You can view the Event Log using the Status menu or using the Remote Web Interface In the Status menu use the Configure View Filter soft key to show only the events you want to view NOTE The Log Filter menu settings only affect how you view the log entries using the Status display These settings do not affect the actual contents of the Event Log nor do they affect the Event Log display when you use the Remote Web Interface to view the Event Log The contents of the Event Log cannot be recovered after the log has been erased The Event Log uses icons to indicate the type and dur
64. igure 2 21 The Preset menu allows you to store and recall instrument configuration settings There are 42 user programmable presets available in addition to the Restore Factory preset You can designate up to four presets as shortcuts To help you remember the functionality of the the presets you have created you can assign names to the presets using up to eight characters Presets 36 to 42 are labeled Remote to signify that these presets can be recalled using the remote control port Refer to the WFM700 Series Technical Reference document on the CD ROM for information about using the remote control port and for a listing of the instru ment settings reset by the Restore Factory menu selection HELP E r Shortcut PRINT Shortcut FREEZE Shortcut These menu selections are grayed out until Shortcut shortcuts are created DISPLAY m Undo Last Restore more 1 of 2 H Rename Preset CONFIG O H Save Preset H Promote to Shortcut PRESET Preset Menu H Remove Preset H Restore Factory more 2 of 2 Figure 2 21 Preset menu diagram WEM700 Series Waveform Monitors User Manual 2 29 Menus Print Menu When you press the PRINT button the Abort Printing soft key appears Press this soft key to abort the print request Status Menu Press the STATUS button to enter the Status display mode which displays the Status menu shown in
65. imits WEM700 Series Waveform Monitors User Manual 3 43 Reference Waveform Mode Press the WFM button to enter the Waveform mode In Waveform mode the selected components are displayed in a voltage versus time plot You can apply flat or low pass filters and choose the color space modes such as RGB or composite In component color space modes you can turn the individual components on or off Parade Overlay In Parade mode all selected components of the signal are displayed from left to right in the same order as they appear on the soft key for example in the RGB display R is on the left followed by G and then R In Overlay mode all selected components of the signal are overlaid Configuration Use the Video Inputs Outputs submenu of the Configure menu to modify the waveform by turning the EAV SAV stripping on and off Use the Grat Gamut Default Setup submenu of the Configure menu to select the graticule units used in the waveform display mV IRE or full scale Secondary Modes You can use the following secondary modes while in Waveform mode Gain Use the Gain menu to adjust the vertical gain of the signal display Cursors Use the cursors to measure time and amplitude NOTE Do not use the time cursors to measure time between components in a paraded waveform display Parade mode is a special display format that represents all displayed components in a single screen irrespective of the time rel
66. indicators Knob Indicator General purpose knob Vertical position knob Horizontal position knob ON STBY LED Indicator FAULT LED Indicator Description Located in the upper right corner of the front panel navigates among menu choices or changes values depending on the feature you are currently using In general the knob continues to perform the assigned function until you select a different feature You can use this knob with the following functions m Select button In the Configure menu use the knob to scroll through the list of submenus and then press the Select button to open the selected submenu In some modes of operation the Select button LED will stay illuminated This indicates that you can press the Select button to toggle the general purpose knob between controlling two items m Line Select Use the knob to select the desired video line In some cases the knob will automatically return to Line Select mode after being assigned to another function Moves the waveform vertically on the screen Moves the waveform horizontally on the screen This green LED illuminates whenever the instrument is powered on This red LED illuminates when a hardware fault is detected within the instrument such as under over voltage of a power supply The green ON STBY LED and the red FAULT LED indicate instrument status and do not report input signal problems Table 2 2 lists the LED status conditions and what they mean WFM700 Seri
67. ing cursor at the crossing of the rising edge of the Eye waveform and the 20 voltage cursor NOTE You can use the horizontal MAG control in the Sweep menu for greater accuracy when adjusting the time cursors f Position the second timing cursor at the crossing of the rising edge of the Eye waveform and the 80 voltage cursor g The Delta time readout indicates the 20 80 rise time measurement WFM700 Series Waveform Monitors User Manual Reference Making Jitter The Jitter display mode plots jitter versus time as a trace and measures peak to Measurements peak time jitter on the active input signal The Jitter mode converts any phase modulation to amplitude and plots it against time Timing jitter is the deviation of signal transitions compared to those of a reference clock Jitter results in Eye closure along the time axis narrowing the window in which the data values can be accurately determined Jitter is characterized by both its magnitude and frequency Signal transitions deviate from their ideal position by a peak amount and at one or more frequen cies depending on the sources Typically only high frequency jitter affects data recovery But low frequency jitter can affect time critical operations such as signal multiplexing and D A conversion Jitter Demodulation The Jitter measurement uses a demodulator method to determine signal jitter The serial clock is recovered from the input signal and demodulated against
68. ions on a toggle soft key A slash may also be used to separate multiple options from which you can select Variables usually controlled by the general purpose knob are shown as ellipses or generic names inside angle brackets lt gt 8 Brackets 7 Vertical line representing a variable separating options pn Diamond High lt gt STATUS Low lt gt L Set Thresholds RGB Limit Menu Horizontal Horz Vert Area lt gt Gamut Menu Bane Default Settings MEASURE u Split Diamond Done 2 Menu name Arrowhead H Setup lt gt High lt gt Horizontal Horz Vert 1 Set Thresholds Composite Limit Menu Area lt gt Default Settings Done NTSC Be rate PAL 3 Dashed lines showing Limit Fmt lt gt Limit Fmt Menu Auto unique submenus Done 4 Menu soft keys 5 Submenu names 6 Submenu soft keys Figure 2 3 Example menu diagram showing components of the diagram 2 12 WFM700 Series Waveform Monitors User Manual Menus Audio Menu Option DG Only Press the AUDIO button to enter the Audio mode If your instrument has only video modules installed the instrument displays the Embedded Audio Status screen and has no menu If your instrument has the Option DG audio module installed the Audio menu shown in Figure 2 4 is displayed VIEW Level Meters Level Meters Lissajous Surround Sound Channel Status Embedded Audio Status Done
69. itter specification for SD signals see Table 3 3 Since the maximum timing jitter specification for HD signals is 1 0 UI you must set the high pass filter to 10 Hz and manually set the jitter threshold to 1 0 UI before the instrument will properly generate an alarm if the HD signal exceeds the SMPTE 292M timing jitter specification Use the Set Meas Thresholds soft key to set a custom threshold level Table 3 3 Jitter measurement alarm thresholds Signal type High pass filter setting Alarm threshold SD SMPTE 259M 10 Hz timing jitter 0 2 UI 740 ps 1 kHz alignment jitter 0 2 UI 740 ps HD SMPTE 292M 10 Hz timing jitter 1 0 Ul 673 ps 100 kHz alignment jitter 0 2 UI 134 ps WEM700 Series Waveform Monitors User Manual 3 25 Reference Measurement Accuracy Using the Measurement Cursors If you use the measure ment cursors to measure jitter you may measure a different result than that shown in the jitter measurement box for the following reasons The internal peak detector does a better job of measuring jitter excursions than a human can when using their naked eye to position the cursors The noise floor is removed from the jitter measurement readout but not from the cursor delta readout Manually Measuring Timing Jitter Perform the following steps to manually measure the timing jitter 1 2 Perform the steps in Setup for Eye Measurements on page 3 17 Select the 3 EYE mode which shows peak jitter at e
70. lds RGB Limit Menu Arrowhead H Set Luma Thresholds Luminance Limit Menu Setup 0 Setup 7 5 Set Y C Thresholds Composite Limit Menu Limit Fmt Menu Limit Fmt lt gt Figure 2 14 Gamut menu diagram WEM700 Series Waveform Monitors User Manual RGB High lt mV gt RGB Low lt mV gt Horizontal Horz Vert Area lt gt Done Luma High lt mV gt Luma Low lt mV gt Horizontal Horz Vert Area lt gt Done Y C High lt gt Y C Low lt gt Horizontal Horz Vert Area lt gt Done NTSC PAL Auto Done 2 23 Menus Help Menu Input Menu SWEEP GAIN CURSOR LINE SEL INPUT Input Menu Press the HELP button to display online help about the current operating mode and to display system information such as the software version the installed options and board versions and the network parameters see Figure 2 15 HELP Button Finder GE Help Menu Software Version System Info System Info Installed Options PRINT Network Params FREEZE DISPLAY Figure 2 15 Help menu diagram Press the INPUT button to display the Input menu shown in Figure 2 16 Use the Input menu to select which video input to monitor the reference signal source internal or external and which audio input to monitor r Input 1A lt module type gt
71. lid when the instrument is in Jitter mode Any signal present on this output at other times is not a calibrated jitter signal The jitter filter selection does not affect this signal This signal is used as an input to an oscilloscope or spectrum analyzer to do additional analysis on the jitter You can view the same jitter waveform on the waveform monitor using the Jitter display mode AUX OUT 1 AUX OUT 2 Future capability WEM700 Series Waveform Monitors User Manual Menus This section describes the various menus you can access in the instrument and provides menu diagrams showing the location of the available selections The menu diagrams are organized in alphabetical order Refer to the WFM700 Series Technical Reference document on the CD ROM for a detailed description of each menu selection Making Menu Selections Mutually Exclusive Buttons Numeric Value Menus Checkbox Tables List Box Exiting a Menu The menu system uses several different methods for entering measurement and monitoring parameters Some configuration parameters use a set of boxes containing all of the possible values or states settings m The currently selected setting is highlighted m To change to another setting touch the box containing that setting or press the SELECT button to cycle through all of the settings to the desired one Some configuration parameters use a numeric value box m The knob icon appears in the value box and the param
72. measure 800 mV p 10 Signal amplitudes outside of this range can degrade receiver performance Manually Measuring Aberrations Serial sources should produce good signal transitions with a minimum of overshoot and ringing To manually measure aberrations perform the following steps 1 Perform the steps in Setup for Eye Measurements on page 3 17 2 Position one voltage cursor at the peak of the overshoot at the top horizontal part of the waveform 3 Position the second voltage cursor at the bottom of the top line of the waveform Include any ringing the oscillation following overshoot in the measurement Essentially you are measuring the thickness of the top line of the waveform 4 The Voltage Cursor readout provides the signal amplitude 5 Perform the same voltage cursor measurement on the bottom line thickness including any undershoot and ringing NOTE Aberrations at the top or bottom line of the waveform should not exceed 10 of the signal amplitude since automatic equalizer circuits in receivers may be sensitive to larger aberrations WFM700 Series Waveform Monitors User Manual Reference Manually Measuring Rise Time Rise time measurements of the eye waveform check the performance of sources and signal degradation by cabling The following procedure provides two methods for manually measuring rise time The first method uses variable gain to normalize the signal and the second method uses the percentage
73. minal Replace Batteries Properly Replace batteries only with the proper type and rating specified Do Not Operate Without Covers Do not operate this product with covers or panels removed Use Proper Fuse Use only the fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation WEM700 Series Waveform Monitors User Manual iii General Safety Summary Symbols and Terms A A Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product 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 proper
74. nd Sound display Use the Audio Displays submenu of the Configure menu to enable or disable the Dominance indicator and to select the type of Surround Sound filter Linear RMS or A weighting NOTE Audio Surround Sound display courtesy of Radio Technische Werkstaetten GmbH amp Co KG RTW of Cologne Germany Audio Input Mapping The Surround Sound display is restricted to using signals from only certain audio Restrictions for Surround input channels The factory default settings for mapping the audio inputs are the Sound Display correct settings for using the Surround Sound display For embedded audio groups 1 and 2 the display only works when channels 1 and 2 are mapped to the L R bars channels 3 and 4 are mapped to the C Lfe bars the Lfe channel is ignored and channels 5 and 6 are mapped to the Ls Rs bars Channels 7 and 8 are always ignored Similar rules apply for embedded audio groups 3 and 4 and for the external AES audio inputs You cannot remap the audio inputs when you are using the Surround Sound display Level meters Surround Sound display Surround sound filter setting A a Meter Ballistics readout Phantom source indicators Phantom source grid 50 center of C and R Peak Level indicator Center volume indicator Test Level indicator Level meter scale lt Dominance indicator and units In bar warning messages Total volume indicator Loudness grid 10 dB per marker
75. nd the live signal by selecting Display Both NOTE The Freeze function for the Data display in Measure mode freezes only the data waveform left side of screen The data list right side of screen continues to update in response to the incoming serial stream The Freeze function does not operate for the Audio display because Audio display elements cannot be frozen If a waveform is frozen it will not be overlaid with audio when the Display Both function is selected If you have frozen a waveform even if it is not displayed the pixel density of the live waveform will be reduced This is because the frozen waveform is using a portion of the display memory Delete the captured waveform to regain full waveform density and display performance HELP dia Capture Screen FREEZE Display Captured Freeze Menu Display Both DISPLAY Delete Capture Display Live CONFIG PRESET Figure 2 12 Freeze menu diagram WEM700 Series Waveform Monitors User Manual 2 21 Menus Gain Menu 2 22 Press the GAIN button to display the Gain menu shown in Figure 2 13 The current gain setting is displayed in the lower left corner of the screen The gain setting is displayed in yellow if variable gain is active In variable gain modes use the general purpose knob to set the gain The variable gain modes work together with the fixed settings For example touch the 1x soft key tou
76. ndicator NS Lower signal gt level indicator Waveform histogram Waveform shape indicator 20 80 signal level Fall overshoot peak indicator Figure 3 7 Eye display showing the automatic measurements Measurement Accuracy Using the Measurement Cursors If you use the measure ment cursors to measure the eye waveform you may measure a different result than that shown in the automatic eye measurements readout This is because the internal peak detector can measure waveform excursions better than people can when using their eye to position the cursors WFM700 Series Waveform Monitors User Manual 3 19 Reference 3 20 Manually Measuring Amplitude The following procedure shows you how to manually measure the signal amplitude using both the graticule and the Voltage Cursors 1 Perform the initial settings for Eye measurements described in Setup for Eye Measurements above 2 Use the CLOCK BW soft key to select the 1 kHz filter This setting reduces the effects of timing jitter which can obscure the amplitude measurement 3 To measure amplitude use the graticule 1x gain or use the voltage cursors Ignore any overshoot or undershoot on the rising or falling edges NOTE For Cursor measurements you can use any gain setting including variable gain since the waveform and the cursors are equally affected by the gain setting Higher gain settings help match the cursor to the waveform Signal sources should
77. nector 2 10 RGB gamut Diamond display 3 27 Rise time serial channel measurements 3 21 Run audio path diagnostics 3 16 Run full powerup diagnostics 3 16 Run internal digital path diagnostics 3 16 Running diagnostics 3 16 Index 4 S Safety Summary iii Sample readout 2 6 Sample selection 3 31 SD PIX MON output 2 10 Select button 2 2 Selected input and format readout 2 5 Selecting audio input 3 7 Serial Alarms configure 3 2 Serial channel measurements aberrations 3 20 amplitude 3 20 rise time 3 21 word correlated behavior 3 23 SERIAL OUT connector 2 10 Service manual ordering 1 4 Service support contact information vii SNMP MIB document v Soft keys 2 5 Split Diamond display 2 23 3 27 Standard accessories 1 2 Status display 3 37 Status menu 2 30 Studio timing 3 43 Sweep menu 2 31 Sweep rate readout 2 6 System information 2 24 T Technical Reference document v Technical support contact information vii Tektronix contacting vii Timecode readout 2 6 Timing measurement with Bowtie 3 14 Touch screen 2 5 U URL Tektronix vii WEM700 Series Waveform Monitors User Manual Index V V Gain readout 2 5 V chip Content Advisory readout 2 6 Variable gain 2 22 Variable gain range 2 22 Vector display amplitude measurement 3 40 flesh tone indicator 3 40 graticules 3 40 Lightning display 3 41 phase measurement 3 40 timing measurement 3 41 vector timing measu
78. nitoring equipment made by Tektronix Inc and are not intended to conform to an officially accepted video standard NOTE When you select the Tektronix default limits the RGB Luma and Y C gamut thresholds are reset to the default values defined by Tektronix When you select the EBU R103 default limits only the RGB and Luma gamut thresholds are reset since the Y C gamut limits are not defined by the EBU R103 standard When you touch the Default soft key in any of the Gamut Limit menus all of the gamut limit thresholds are reset to the standard indicated on the soft key Diamond Display Gamut Limits Use the Gamut menu to set the upper and lower RGB thresholds for a 5 mV tolerance 705 mV and 5 mV This will cover the tolerance of any signal generator that provides color bars This tolerance is close enough to the nominal values of 700 mV and 0 mV to be undetectable by the human eye Set the Horizontal Horiz Vert soft key setting to Horiz Vert This setting will trigger on gamut errors that form a block covering several video lines and thus are more visible to the human eye Arrowhead Display Gamut Limits Use the Limit Format soft key to set the instrument for NTSC or PAL gamut measurements For North American applications of NTSC video signals set the Setup control to 7 5 In addition set the upper Y C Composite threshold to 120 IRE because that is the level at which a TV transmitter starts to clip the signal Set the lower Y C
79. nu 2 20 Eye mode 3 17 Eye Pattern aberration measurement 3 20 amplitude measurement 3 20 rise time measurement 3 21 word correlated behavior 3 23 F FAULT LED 2 2 Field and line readout 2 6 Field selection 3 31 Filtering 3 31 Flesh tone indicator 3 40 Freeze menu 2 21 Front panel buttons 2 4 illustration 2 1 indicators 2 2 interface 2 1 knobs 2 2 G Gain relative gain check with Bowtie display 3 14 Gain menu 2 22 Gamut display checking RGB gamut 3 27 Diamond display 3 27 menu 2 23 thresholds 3 30 Gamut error readout 2 6 Gamut Threshold Settings readout 2 5 General Alarms configure 3 2 General purpose knob 2 2 Graticule for Vector display 3 40 Lightning Display 3 42 Index 2 H H Gain readout 2 5 Hardware fault 2 2 Hardware installation 1 5 Help menu 2 24 HORIZ POS knob 2 2 Horz Vert 3 31 Horz Vert filter 3 31 Icons 2 7 event log 3 33 Indicators FAULT LED 2 2 ON STBY LED 2 2 INPUT A connector 2 9 INPUT B connector 2 9 Input connectors 2 9 Input menu 2 24 Input modules 1 4 Installation 1 5 connecting power 1 6 Instrument configuration 2 14 J Japanese user manual ordering 1 4 Jitter 3 17 definition 3 23 demodulation 3 23 Jitter measurements 3 23 JITTER OUT connector 2 10 K Knobs general purpose 2 2 HORIZ POS 2 2 VERT POS 2 2 Korean user manual ordering 1 4 WFM700 Series Waveform Monitors User Manual Index L L
80. oduct 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
81. olation SDI Line Length Error SDI Field Length Error SDI SAV Placement 292M Line Mismatch Audio Mute Audio Clip Audio Silence Audio Over Emb Group Sample Phase V Chip Rating Change Anc Data Presence Anc Data Parity Anc Data Checksum ARIB STD B39 Presence Eye Rise Overshoot Eye Fall Overshoot Jitter WFM700 Series Waveform Monitors User Manual Menus HELP PRINT FREEZE DISPLAY CONFIG PRESET EE Configure menu continued from Figure 2 5 m Grat Gamut Default Setup Configure Menu Video Inputs Outputs Configure menu continues in Figure 2 7 Vec 1 Q Axis Off On On if SD Vec Compass Rose Off On Wfm Graticule Units non 50 Hz Auto mV IRE Full Scale Gamut Threshold Default Tek EBU R103 Closed Caption Display Enabled Disabled Closed Caption Type Auto Detect EIA 608 VBI EIA 608 ANC EIA 608 708 Closed Caption Service 608 CC1 CC2 CC3 CC4 TEXT1 TEXT2 TEXT3 TEXT4 VBI Captions Line Number Auto Detect Line lt gt B39 Did Sdid Address ARIB ITU Strip EAV SAV WFM Pass Strip Page 1 Auto Select NTSC PAL Page 2 i 1080i 59 94 1080i 50 Ext Ref Format 1080i 60 720p 59 94 1080p 23 97 1080p 24 Page 1 Page 2 Any Supported 1080p 30 525i 59 94 1080p 29 97 625i 50 1080p 25 F 1080i 59 94 1080i 50 Video Input Format 1080i
82. or upgrading the instrument firmware and for performing the user service tasks such as cleaning and maintenance cabinet and rack adapter installation and module installation or replacement WFM700 Series SNMP MIB Reference English Describes the syntax of the variables and traps for remotely controlling the instrument over a network using SNMP WFM700 Series Service Manual English Provides servicing information for the instrument and is intended for qualified service personnel only WEM700 Series Waveform Monitors User Manual v Preface Non English Language The following non English language documents are available Documents WFM700 Series User Documentation Package Japanese Contains a printed Japanese language user manual and the CD ROM described on the previous page WFM700 Series User Documentation Package Korean Contains a printed Korean language user manual and the CD ROM described on the previous page www tektronix com The following related reference documents are available at the Tektronix Inc Web site www tektronix com vi Preventing Illegal Colors This application note describes how the Diamond Arrowhead and Lightning displays can be used to help prevent the undesired impact of color gamut violations and to simplify the assessment of proper gamut compliance Understanding Colors and Gamut This poster provides a large visual display of how the Diamond Arrowhead and Lightning displays can
83. owering on the wave form monitor Instructions for performing firmware upgrades are located in the WFM700 Series Technical Reference document on the CD ROM NOTE Instructions for installing or removing the waveform monitor from a cabinet and for adding or removing a module from the instrument are located in the WFM700 Series Technical Reference document on the CD ROM The waveform monitor is shipped in a wrap around chassis that covers the instrument bottom and two sides A cover is installed on the chassis and the rear panel is made up of the module rear panels You can operate the waveform monitor in the instrument chassis be sure the cover is on or installed in an approved portable cabinet or rack adapter You can also install the waveform monitor in a custom installation such as a console CAUTION Do not install the waveform monitor in any cabinet except those that are listed in Optional Accessories on page 1 4 Attempting to do so can damage the waveform monitor and the cabinet If you install the waveform monitor in a custom application such as a console be sure to provide adequate airflow Follow these guidelines m Do not block the ventilating holes m Adhere to the clearance requirements that are listed in the specification tables of the WFM700 Series Technical Reference document on the CD ROM CAUTION Failure to provide adequate airflow to the waveform monitor could cause the instrument to shut down ref
84. r left Text displays the variable horizontal gain value in yellow to indicate that it is not standard Vertical gain VGain Lower left Text displays which calibrated vertical gain you have selected such as 1x or 5x If you select variable gain the readout displays the gain value in yellow Selected input input format Lower left Text indicates the currently selected input 1A 1B 2A or 2B followed by the input format For example 2A 1 4835 Gb s 1080sf 29 97 would indicate that the A input of the module in slot 2 is selected it is receiving an HD signal and that the format of the signal is 1080sf at a frame rate of 29 97 Hz Gamut threshold settings Lower left Text indicates the current gamut limit settings for the selected display Arrowhead Diamond or Split Diamond For the Arrowhead display the following readouts are displayed Y C Hi Y C Lo Y Hi and Y Lo For the Diamond and Split Diamond displays the following readouts are displayed High and Low Color standard Lower center Text indicates the current colorimetry standard Not present in all modes Audio channels Lower center If enabled in the Audio Displays submenu of the Configure menu 16 characters indicate embedded audio channel status one character for each channel The codes are as follows P Present Not Present Waveform components Lower center Text indicates the currently displayed waveform color components Non displayed components are indicated by da
85. rating modes Sweep Menu __ SWEEP a Parade Overlay Line m 2 Line Overlay mode only CURSOR Field LINE SEL 2 Field Overlay mode only Mag On Off INPUT Figure 2 23 Sweep menu diagram WEM700 Series Waveform Monitors User Manual 2 31 Menus Vector Menu Press the VECTOR button to enter the Vector mode and display the Vector menu shown in Figure 2 24 Refer to Vector Mode on page 3 40 for more information VIEW r Lightning Vector Menu Vector VECTOR STATUS _ Graticule Component Composite u x Setup 0 7 5 NTSC PICTURE MEASURE y g PAL Color bars 75 100 Graticule Format Graticule Format Menu Auto Done Figure 2 24 Vector menu diagram 2 32 WFM700 Series Waveform Monitors User Manual Menus Waveform Menu VIEW VECTOR n PICTURE STATUS MEASURE Press the WFM button to open the Waveform mode and display the Waveform menu shown in Figure 2 25 Refer to Waveform Mode on page 3 44 for more information Waveform Menu Parade Overlay Figure 2 25 Waveform menu diagram Y R Pb G Pr B Setup lt gt T Filter Flat Filters Filter Menu Filter Lowpass Color Space Done YPbPr RGB YRGB ColorSpace Menu Composite Chroma Offset Aligned Done Components can be turned on off in respective componen
86. rement 3 41 Vector menu 2 32 Vector mode 3 40 Ventilation holes 1 5 VERT POS knob 2 2 VGA PIX MON connector 2 10 Video mode Data display 3 15 WEM700 Series Waveform Monitors User Manual W Waveform jitter 3 23 Waveform components readout 2 5 Waveform menu 2 33 Waveform mode 3 44 Web site address Tektronix vii WFM700A 1 1 WFM700HD 1 1 WFM700M 1 1 WFM7DG 1 4 WFM7FO2 1 4 WFM7FO3 1 4 WFM7F05 1 4 WFM7HD 1 4 WFM7M 1 4 Word correlated behavior jitter measurements 3 23 Index 5 Index Index 6 WEM700 Series Waveform Monitors User Manual
87. requirements CAUTION Use only power cords that are approved for the country of use Using non approved power cords could result in fire or shock hazard Follow these steps to power on the waveform monitor Plug the supplied power cord IEC 320 into the back of the instrument Refer to page 1 2 for a list of power cord options 2 Plug the other end of the power cord into a standard wall outlet 3 Press the ON STBY button to bring the waveform monitor out of standby mode WEM700 Series Waveform Monitors User Manual AS AAA Operating Basics AAA Functional Overview The instrument is controlled through a combination of front panel controls buttons and knobs and touch screen controls soft keys as described on the following pages The waveform monitor front panel is shown in Figure 2 1 AS Tektroni mix WFM 700 SELECT HELP gt VIEW PRINT WFM SWEEP GAIN GEN J FREEZE VECTOR STATUS CURSOR DISPLAY PICTURE MEASURE LINE SEL GAMUT EYE INPUT CONFIG M gt VERT POS PRESET FAULT 4 Hor z pos gt o CLR MENU ON STBY o AA Figure 2 1 Waveform monitor front panel WFM700 Series Waveform Monitors User Manual 2 1 Functional Overview Front Panel Knobs and Indicators Table 2 1 describes the knobs and indicators on the waveform monitor Table 2 1 Front panel knobs and
88. ronix com for information about how the Diamond and Arrowhead displays are created and for information about defining legal and valid gamut signals Use the Diamond or Split Diamond displays to check RGB gamut For a signal to be in gamut all signal vectors must lie within the G B and G R diamonds The direction of an excursion out of gamut indicates which signal is excessive Errors in green amplitude affect both diamonds equally while blue amplitude errors affect only the top diamond and red errors affect only the bottom diamond Use the Split Diamond display to see excursions below black in either of the G B or G R spaces The intensity of a vector indicates its duration A momentary out of gamut condition appears as a faint trace Long duration violations show as a bright trace Figure 3 10 shows out of gamut signals on the Diamond display Monochrome signals appear as vertical lines Nonlinear component processing such as from a gamma corrector that alters white balance can cause deviations along the vertical axis Bending of the transitions indicates timing delays When a color bar signal is applied the vertical axis becomes an indicator of delay errors The Diamond and Split Diamond displays allow you to visualize interchannel timing errors Use the Lightning display in Vector mode to quantify the amount of timing error The Diamond and Split Diamond graticules have marks to indicate conformance using 75 color bars The edge of
89. rs that may appear Table 3 5 Alarm status indicators Indicator OK Yes No Error N A Missing 12345678 Description No alarm condition is detected Indicates whether or not a condition was detected An alarm is detected and information about the error is displayed The alarm condition does not apply to the current configuration For example the RP165 EDH status alarm is set to N A when an HD signal is present because RP165 is only valid in SD signals An optional feature is not present in the input signal For example the RP165 EDH status alarm is set to Missing when the input is SD but there are no RP165 packets present in the signal EDH is an optional signal feature In the Audio Alarm Status display this indicator may appear to show which audio channels have errors For example 34 78 would be displayed to indicate that channels 3 4 7 and 8 have errors This indicator is logical after remapping and not physical RGB and Composite Gamut Error Indicators When RGB and or Composite Gamut errors are detected the associated lines in the Alarm Status display have characters that indicate which gamut threshold s are exceeded for each component Table 3 6 lists the error codes that may be displayed Table 3 6 Alarm Status display error indicators Indicator R lt lt jojojojulelp Description Signal exceeds the high gamut limit for the red component RGB gamut Signal exceeds the low gamut limi
90. s SMPTE 292M Use the Set Meas Thresholds soft key to set custom threshold levels NOTE The automatic eye measurements are based on the eye waveform display To ensure the best eye measurement conditions the instrument sets the clock recovery bandwidth set to 1kHz While the automatic eye measurements are running the instrument prevents you from adjusting the recovery bandwidth setting or from adjusting the following signal controls vertical and horizontal position sweep and gain settings and Line Select mode Reporting Automatic Eye Measurement Errors When enabled in the Physical Alarms submenu of the Configure menu the eye measurement alarms will be reported to the Event Log in only the following two conditions m When the Eye display is selected and the eye measurement readout is turned on m When the Event Log or Alarm Status displays are selected after the eye measurement readout is turned on That is if you enter the Eye display and turn on the eye measurements and then you use the STATUS button to view the Event Log or Alarm Status displays the eye measurement alarms will be active If you select another display mode such as Jitter or Waveform the eye measurement alarms will be disabled WFM700 Series Waveform Monitors User Manual Reference Eye measurement readouts Rise overshoot peak indicator Er Upper signal gt level indicator 80 signal rise A level indicator 80 signal fall level i
91. s and the right portion of the screen Display displays the Lissajous display also known as a phase plot Level meters Lissajous phase display Session Time and Embedded A y Group Sample Phase readouts Meter Ballistics readout In phase label Peak Level indicator Test Level indicator Level meter scale lt and units Selected phase pair indicators Axes for In bar warning phase display messages Level meter labels Audio input source AES Connector 1 0 setting Phase correlation meters AGC readout Correlation meter for selected pair Audio Presence readout Figure 3 3 Audio Level Meters Lissajous display 3 8 WFM700 Series Waveform Monitors User Manual Reference Selecting the Channel Pair To select which channel pair is displayed on the Lissajous display for the Lissajous Display NOTE The channel pair labels depend on the Audio Program Type setting surround or stereo pairs 1 Touch the Lissajous Pair soft key to open the Audio Lissajous Pair menu 2 Select a channel pair by performing one of the following actions m Touch the soft key for one of the four default channel pairs m Touch the Custom Pair soft key to select the custom channel pair you specified using the Configure Custom Pair soft key m Touch the Configure Custom Pair soft key to open the Custom Lissajous Pair menu where you can specify which audio channel is displayed in each Lissajous c
92. s hue With the Vector display you can check the encoder accuracy for both phase and amplitude errors Vector Graticules You can use the Vector menu to select either a component or composite vector graticule When the component graticule is selected you can turn the compass rose graticule and the I Q axis on or off using the Grat Gamut Default Setup submenu in the Configure menu NOTE The component vector graticule is provided to allow comparison with other equipment with similar displays For a more accurate representation of hue shift use the composite vector representation Each chrominance vector of a Color Bar signal terminates as a bright dot in a target The distance from the center box to the target box corresponds to the amplitude for the color being measured The dot brightness corresponds to the duration of the color bar The dimension of each target box represents 2 14 mV of a 700 mV amplitude The dashed vector line labeled T is for evaluating flesh tones Increasing radial amplitude along this axis indicates increasing flesh tone saturation Increasing angle change from this axis indicates increasing flesh tone hue change WFM700 Series Waveform Monitors User Manual Reference Vector Timing Measurements In the composite domain the transitions between the vector end points display timing differences Because these timing differ ences include the delay in the decoder output filtering you can usually i
93. s were detected Upper left Text indicates the V chip Content Advisory rating of the program Upper left and When the eye measurements are turned on in the Eye display the current values center of the following eye measurements are displayed amplitude rise overshoot fall overshoot rise time fall time and rise fall time delta Top center When gamut errors occur the readout if enabled will display either RGB Y C or Lum for RGB Composite or Luminance gamut errors respectively Upper right The current date and time is displayed Use the System submenu of the Configure menu to set the date and time and to select the format of the date and time displays Upper right When Line Select is active and Line is selected on screen text shows the displayed field and line number It also indicates in which portion of the video signal the selected line occurs Upper right When Line Select is active and Sample is selected text displays the selected sample number followed by the portion of the video signal that the sample is in such as Y Cb Cr EAV HB or SAV Upper right When cursors are active the text displays the time or voltage depending upon mode at their location and the difference in time or voltage between them delta WFM700 Series Waveform Monitors User Manual Functional Overview Icons On screen icons inform you that an error condition exists or an instrument operation is in progress The
94. se the following submenus of the Configure menu to set the various instrument parameters for audio measurements Audio Inputs Outputs Audio Displays and Audio Thresholds Use the Configure Alarms submenu to configure the audio alarms Use the Input menu to select which audio input the instrument will monitor Select Embedded to monitor the audio signal embedded in the selected video signal input or select Ext AES to monitor the audio signal s connected to the Option DG audio module NOTE When you set the function of the AES connectors to output embedded audio is automatically selected as the audio input source You cannot monitor audio signals on the AES connectors until their function is set to input use the Audio Inputs Outputs submenu of the Configure menu When you select Embedded or Ext AES as the audio input source the instrument maps the audio signal to the level meter bars as configured by the Embedded Input Map or the AES Input Map in the Audio Inputs Outputs submenu of the Configure menu WEM700 Series Waveform Monitors User Manual 3 7 Reference Selecting the Audio Use the Display soft key to select one of the following audio displays pay Type Level Meters m Level Meters Lissajous m Surround Sound m Channel Status Embedded Audio Status Elements ofthe When you select the Level Meters Lissajous display see Figure 3 3 the left Level Meters Lissajous portion of the screen displays the level meter
95. shes For example an RGB display with G deselected would appear as R B WEM700 Series Waveform Monitors User Manual 2 5 Functional Overview Table 2 4 Readout descriptions Cont Readout Magnification Mag Sweep rate Closed caption presence Timecode Ancillary data Program rating Eye measurements Gamut error Current date and time Field and line Sample Cursor Location Description Lower center Text indicates the mag setting If mag is on the text appears in yellow to indicate that the signal is not being displayed in the normal time scale Lower center Text indicates the selected sweep rate Upper left When the instrument detects the presence of a closed caption signal CC is displayed on the screen Upper left Text indicates the type of timecode VITC or ATC and the decoded time A semicolon between the seconds readout and the frame readout indicates that the timecode is of the drop frame variety If no timecode is present no text appears Upper left Indicates the presence of ancillary data packets in the video stream excluding packets for embedded audio and RP165 EDH Possible messages are as follows Blank No ancillary data packets present Anc Present Indicates that one or more ancillary data packets are present and that no parity or checksum errors were detected Anc Error Indicates that one or more ancillary data packets are present and that one or more parity or checksum error
96. sion when the currently displayed session is audio the video session is also stopped started or resel WEM700 Series Waveform Monitors User Manual 3 37 Reference Audio Status and Session The Audio Status Session display shows the current status of the audio signal Display Option DG Only being monitored Use the Session Stopped Running soft key to start or stop the monitoring session Use the Reset Session soft key to clear the display Refer to the WFM700 Series Technical Reference document on the CD ROM for descriptions of the status display elements Auxiliary Data Status The Auxiliary Data Status display provides detailed information about the Display auxiliary data embedded in the video signal Refer to the WFM700 Series Technical Reference document on the CD ROM for descriptions of the status display elements Event Log Display Refer to Logging on page 3 32 for information about using the Event Log 3 38 WFM700 Series Waveform Monitors User Manual Reference Alarm Status Displays The instrument provides the following five alarm status displays which correspond to the categories of alarms provided in the Configure menu general serial audio Option DG only auxiliary data and physical WFM700M only An X appears in the Enabled column for each of the enabled alarms The Status column indicates the status of each alarm whether or not that alarm condition has been enabled Table 3 5 lists the status indicato
97. splay to evaluate the relative amplitude and timing between the three video channels Refer to Bowtie Mode on page 3 14 for more information m Ancillary Data Use this display to view the raw undecoded data words in the selected ancillary data packets Refer to Ancillary Data Display on page 3 4 for more information m ARIB STD B39 Use this display to view the decoded data for video signals using ancillary data compliant with ARIB STD B39 Refer to ARIB STD B39 Display on page 3 6 for more information Press the MULTI button to enable the Multi mode display which shows two different views of the same input signal side by side You must use the Input menu to select a different input signal for display The front panel controls affect only the display mode in the currently selected Multi mode window Menu changes you make while the instrument is in Multi mode remain in effect when you exit Multi mode Multi mode horizontally compresses displays so that they will fit side by side When the Status display is selected as one of the Multi mode displays there may be some overwriting of the label text in the Status display The measurement text is not affected by the display compression In addition the audio presence indicators for groups 3 amp 4 may not appear on the Status display in Multi mode Option DG Audio Module Only When Level Meters Lissajous or Surround Sound is the selected Audio mode display the Lissajous or Surround Sound di
98. splay will appear when you select Audio as one of the Multi mode displays You must select Level Meters as the Audio mode display to view the audio level meters in Multi mode Detection of analog line 21 closed caption does not operate if the instrument is in Data mode or in Multi mode when the Data display is selected WFM700 Series Waveform Monitors User Manual Reference Picture Mode Press the PICTURE button to display a full screen representation of the video signal present at the selected input NOTE Due to the number of pixels in the LCD display of the waveform monitor not all of the video content particularly in HD formats can be reproduced with 100 accuracy by this display module The picture display offers a means of visually identifying the content present at the active input and is not designed to replace the rear panel PIX MON outputs which contain all of the video content Press the PICTURE button again to display the Picture menu Use the Safe Area soft key to display the Safe Action and Safe Title graticules which comply with SMPTE RP218 The safe area graticules do not appear in the thumbnail picture Since the full size SD picture display is cropped use the SD Picture Half Size setting to view the complete picture when you are monitoring SD signals Use the Grat Gamut Default Setup submenu of the Configuration menu to enable the display of decoded closed captioning text in Picture mode Use the Video
99. t color space t Setup only available in Composite color space Chroma offset aligned only available in YPbPr color space WFM700 Series Waveform Monitors User Manual 2 33 Menus 2 34 WFM700 Series Waveform Monitors User Manual Y A Reference Reference NOTE Refer to Related Reference Documents on page vi for a list of reference documents that are available on the WFM700 Series User Documentation CD ROM located on the back cover of this manual and or at the Tektronix Inc Web site www tektronix com The topics in Reference listed below are organized alphabetically Alarms Ancillary Data display ARIB STD B39 display Audio mode Audio mode Option DG only Bowtie mode Composite display Data display WFM700M only Diagnostics Eye Jitter mode WFM700M only WEFM700 Series Waveform Monitors User Manual Gamut measurements Line Select mode Logging Measure mode WFM700M only Multi mode Picture mode Printing Status displays Vector mode Waveform mode 3 1 Reference Alarms Possible Alarm Actions 3 2 Use the Configure Alarms submenu of the Configure menu to select which error conditions you will monitor and how you will be notified in the event of an error The alarms are organized into the following groups to help you locate a desired alarm General Serial Audio Option DG only Auxiliary and Physical WFM700M only The top level of the submenu display shows which notific
100. t contains two different log files diagnostics and events You can use the Remote Web Server interface to download the contents of either log file Diagnostics Log This log contains the results of the last diagnostic test that was performed EventLog The instrument maintains an event log in which every entry is time stamped with the time of day when the instrument logged the event When you enable Timecode in the Video Inputs Outputs submenu of the Configure menu events are time stamped with the timecode embedded in the video signal CAUTION The time of day time stamps in the Event Log are based on the system ZN time of the instrument when the logging process starts If you update the system time of the instrument while the Event Log is in the Running mode the time stamps will not start using the new system time setting You must stop and restart the Event Log before the time stamps will use the new system time Controlling the Size of the Event Log The event log can contain up to 10 000 entries Recording each individual event separately would quickly fill the log To handle this problem the instrument classifies log entries as one of the following m Single shot One isolated occurrence is logged as one entry m Continuous Uninterrupted sequence of occurrences is logged as two entries marking the beginning and end of the sequence m Intermittent Interrupted sequence of closely spaced occurrences can be logged as separate entr
101. t for the red component RGB gamut Signal exceeds the high gamut limit for the green component RGB gamut Signal exceeds the low gamut limit for the green component RGB gamut Signal exceeds the high gamut limit for the blue component RGB gamut Signal exceeds the low gamut limit for the blue component RGB gamut Signal exceeds the high gamut limit for the chroma component composite gamut Signal exceeds the low gamut limit for the chroma component composite gamut Signal exceeds the high gamut limit for the luma component composite gamut Signal exceeds the low gamut limit for the luma component composite gamut WEM700 Series Waveform Monitors User Manual 3 39 Reference Vector Mode Vector Display 3 40 Press the VECTOR button to enter the Vector mode where you can select two related displays Vector and Lightning Both displays have targets for determin ing conformance using 75 or 100 color bar signals NOTE Refer to the reference document A Guide to Standard and High Definition Digital Video Measurements at the Tektronix Inc Web site www tektronix com for information about how the Vector and Lightning displays are created The Vector display allows you to view the signal as a complex vector of color components with no luminance information included The display is a tradition al vector plot of the color difference signals Pb and Pr The radial magnitude represents saturation and the phase angle represent
102. tatus Session or Auxiliary Data Status displays m Alarm Status Use this selection to view the status of the General Serial Audio Option DG only Auxiliary Data or Physical WFM700M only alarms m Event Log Use this selection to enable disable configure and view the event log Status Display Colors Messages and values in the different status displays use the following colors to help indicate signal status m White Identifies items that represent changes in the instrument state m Green Indicates error conditions that have cleared m Yellow Indicates a warning condition that might require attention but does not meet the requirements of an error condition m Red Indicates signal information that has been found to be in an ongoing error state Video Status and Session The Video Status portion of the display left side shows the current status of the Display video signal being monitored The Video Session portion of the display right side shows the cumulative results of the current video monitoring session Use the Session Stopped Running soft key to start or stop the monitoring session Use the Reset Session soft key to clear the display Refer to the WFM700 Series Technical Reference document on the CD ROM for descriptions of the status display elements NOTE The Session Stopped Running and the Reset Session soft keys affect both the audio and video session displays For example if you stop start or reset the ses
103. the diamond is used for 100 color bars WEM700 Series Waveform Monitors User Manual 3 27 Reference ee s gt a Example A Example B Example C R Ok R Ok R Ok G gt 700 mV G Ok G Ok 350 mV B Ok B gt 700 mV B lt 0mV Figure 3 10 Out of gamut signals on a Diamond display Checking Composite The Arrowhead display shows out of gamut conditions in composite color space Gamut without requiring a composite decoder The display plots luminance on the vertical axis with blanking at the lower left corner of the arrow The magnitude of the chroma subcarrier at every luminance level is plotted on the horizontal axis with zero subcarrier at the left edge of the arrow The upper sloping line forms a graticule indicating 100 color bar total luma subcarrier amplitudes The lower sloping graticule indicates a luma subcarrier extending towards sync tip maximum transmitter power Arrowhead Graticules The electronic graticule provides a reliable reference to measure what luminance plus color subcarrier will be when the signal is later encoded into NTSC or PAL On the NTSC Arrowhead graticule see Figure 3 11 the 120 IRE line repre sents the level at which a transmitter starts clipping the signal The 40 IRE line represents the sync tip level while the 7 5 IRE line represents the setup level On the PAL Arrowhead graticule see Figure 3 12 the 950 mV line represents the level at which a transmitter starts clipping the
104. ty including the product Symbols on the Product The following symbols may appear on the product A A CAUTION WARNING Protective Ground Refer to Manual High Voltage Earth Terminal WFM700 Series Waveform Monitors User Manual AS AA Preface This user manual provides the basic information you need to install and operate the WFM700 Series Waveform Monitor Listed below are related documents that contain information about the instrument Related Reference Documents The following reference documents are available WFM700 Series Release Notes English Describes both the new features provided by a firmware release and any known problems or behaviors that you might encounter while using the waveform monitor WFM700 Series User Documentation CD ROM Located on the back cover of the user manual contains PDF files of the following documents WFM700 Series User Manual English A bookmarked PDF version of the printed user manual WFM700 Series Technical Reference English Contains the following technical information about the instrument m Electrical and physical specifications including a list of certifica tions and compliances m Descriptions of each menu selection the status displays and the Option DG audio displays m Instructions for operating the instrument using remote control including the ground closure Web server and SNMP interfaces m Procedures for checking the basic functions of the instrument f
105. u to select which standard is used The decoded ancillary data includes the following Transmitting station code and transmitting station time Video mode and video mode countdown Audio mode and audio mode countdown Trigger counter and trigger countdown Status bits Error correcting code 14 WFM 7M 1 4835 Gb s x5f x25f 2 xfe x1fe ARIB B39 x2ee 00000000 x00 a E 1080i 59 94 255 x2ff x2ee 2040 40 40 Sun 40 40 40 040 Res Undef 4x3 YCbCr 4 2 2 8bit Res Undef 4x3 YCbCr 4 2 2 8bit 064 Res Not used Res Not used 064 01000000 01000000 01000000 01000000 064 064 064 064 01000000 01000000 064 064 x140 x140 x140 x140 x140 x140 Anc Data Menu Figure 3 2 ARIB STD B39 display 3 6 WFM700 Series Waveform Monitors User Manual Reference Audio Mode For instruments with only video modules installed Audio mode provides a protocol level check for the AES stream The Embedded Audio Status screen reports the following information m Which video input is the source of the embedded audio m The standard used by the audio signal m Whether the header indicates that audio is present on each pair of channels Status Present or Not Present Audio Mode Option DG Only Configuring the Instrument for Audio Measurements Selecting Which Audio Input to Monitor NOTE The information below describes the Audio mode display for instruments with the Option DG audio module installed U
106. ult 2 3 Multi mode 2 27 3 34 Multi pin connectors 2 10 0 On screen readouts 2 5 ON STBY 2 2 Optional Accessories additional inputs 1 4 Optional accessories 1 4 cabinets 1 4 Options power cords 1 2 Ordering cabinets 1 4 Japanese user manual 1 4 Korean user manual 1 4 service manual 1 4 Outputs 2 10 Overshoot 3 31 Overtemp fault 2 3 Index 3 Index P Part numbers Japanese WFM700 User Manual 1 4 Korean WFM700 User Manual 1 4 power cords 1 3 WFM700 Release Notes 1 2 WFM700 Service Manual 1 4 WFM700 User Manual 1 2 1 4 PbPr Gain measurement with Lightning display 3 43 plotted against Luminance 3 41 Phone number Tektronix vii Picture mode 3 35 PIX G Y B Pb R Pr outputs 2 10 Pixel errors 3 31 Portable cabinet 1 4 Power AC requirements 1 6 Power connector 2 9 Power consumption typical 1 6 Power cord options 1 2 Power on 1 5 Power on procedure 1 6 Power source 1 6 Power source requirements 2 9 Power supply fault 2 3 Power connecting 1 6 Powerup diagnostics 3 16 PR to Y Timing 3 43 Preset menu 2 29 Print menu 2 30 Printing 3 36 Product description 1 1 Product support contact information vii Program Rating V chip readout 2 6 R Rack adapter 1 4 Readouts 2 5 Rear panel connectors 2 8 Rear panel illustration 2 8 REF IN loop through connectors 2 9 Related reference documents v Release notes part number 1 2 REMOTE con
107. urces to the same starting point WFM700 Series Waveform Monitors User Manual Reference Sweep Menu 2 Line Figure 3 15 XYZ pulse of Y channel with pass through selected 6 To measure horizontal timing perform the following steps a Switch to Input A and set the waveform monitor to one line sweep b Use the horizontal position knob to set the SAV pulse to a major graticule tick mark or use cursor mode and set a cursor on the SAV pulse c Compare the timing to the signal on Input B by selecting Input B and adjusting the fine timing controls to match the timing position of Input A WEM700 Series Waveform Monitors User Manual 3 47 Reference 3 48 WEM700 Series Waveform Monitors User Manual Index Index A Aberrations serial channel measurements 3 20 AC line frequency 1 6 Accessories Japanese user manual 1 4 Korean user manual 1 4 optional 1 4 WFM7A 1 4 WFM7DG 1 4 WFM7HD 1 4 plain cabinet 1 4 portable cabinet 1 4 protective front cover 1 4 rack adapter 1 4 service manual 1 4 standard 1 2 Additional input modules 1 4 Address Tektronix vii AES stream 3 7 Airflow allowing adequate 1 5 Alarm error availability Eye Jitter mode 3 3 possible alarm actions 3 2 status display error indicators 3 39 types 3 2 Amplitude serial channel measurements 3 20 Anciliary Data display 3 4 Ancillary Data readout 2 6 Application notes and reference documents v vi Area masking 3 31 A
108. voltage cursors 1 Perform the steps in Setup for Eye Measurements on page 3 17 2 Method 1 Use variable gain to measure rise time a Use Variable Gain to resize the waveform to 10 major divisions Position the top and bottom of the waveform on graticule lines b Position the first timing cursor at the crossing of the rising edge of the Eye waveform and the graticule line two divisions above the bottom of the waveform as shown in Figure 3 8 NOTE You can use the horizontal MAG control in the Sweep menu for greater accuracy when adjusting the time cursors c Position the second time cursor at the crossing of the rising edge of the Eye waveform and the graticule line two divisions below the top of the waveform as shown in Figure 3 8 d The Delta time readout indicates the 20 80 rise time measurement Figure 3 8 Timing Cursors alignment for measuring 20 80 rise time WEM700 Series Waveform Monitors User Manual 3 21 Reference 3 22 3 Method 2 Use the percentage voltage cursors to measure rise time a Turn on the voltage cursors and set the voltage cursor units to b Position the first voltage cursor to the top of the signal and then position the second voltage cursor to the bottom of the signal c Touch the Set 100 soft key d Position the first voltage cursor to where the readout lists 80 and then position the second voltage cursor to where the readout lists 20 e Position the first tim

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