Manuale d’uso / di manutenzione del prodotto WFM700 Series del fabbricante Tektronix
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Us e r Manual WF M7 0 0 S eries W av eform Monito rs 071-0916- 08 Test Equipment Depot - 800.517.8 431 - 99 Washington Street Melrose, MA 02176 - FAX 781.
WFM700 Series W avef orm Monitor s User Manual i T able of Contents Gen eral S a fety S u mmary iii ....................................... Pr ef ace v ........................................................ Related Ref eren ce Do cumen ts v ........
T able of Contents ii WFM700 Series W avef orm Monitors User Manual Status Menu 2- - 30 .................................................... Sw eep Men u 2- - 31 .................................................... V ect or Menu 2- - 32 ..............
WFM700 Series W avef orm Monitors User Manual iii General Safety Summar y Rev iew t he fol lo wi ng s afety p recaut io ns t o avo id i nju ry and p reven t dam age to this product or any products conne cted to it. T o avoid pote ntial h azards, use t hi s product only a s specified.
General S afet y S um mary iv WFM700 Series W avef orm Monitors User Manual T er ms in this Manual. These ter ms may a ppea r in this ma nual: W ARNING. W arning statements identify conditions or practic es that c ould r esult in injury or loss of life .
WFM700 Series W avef orm Monitors User Manual v Preface This user ma nual provides the basic inf orma tion you need to insta ll and opera te the WFM700 Serie s W avef orm Monitor . Listed below a re r elated doc uments that contain inf ormation about the instrument.
Preface vi WFM700 Series W avef orm Monitors User Manual The following non-English language doc uments are ava ilable: H WFM700 Se ries User Docume ntation Package (J apan ese). C o nt ain s a printed Ja panese la nguage use r manual a nd the CD-ROM descr ibed on the previous pa ge.
Gettin g S ta rted.
WFM700 Series W avef orm Monitors User Manual 1- 1 Getting Started Thi s sect io n con tai ns a li st o f accesso ries , an i ns tal lat ion p roced ure, an d a functiona l check to ve rify the primary func tions of your wavef orm monitor .
Getting Starte d 1- 2 WFM700 S erie s W avefor m Monitors Use r Ma nual Standar d Accessori es Listed below a re the sta ndard a ccessor ies shipped with e ach wave for m monitor: The following doc uments are shipped with ea ch wa vef orm monitor: H WFM700 Se ries Release Notes , T ektronix pa rt numbe r 061- 4247-XX.
Getting Starte d WFM700 Series W avef orm Monitors User Manual 1- 3 T able 1 - 1: Power cord opt ions and identification Plug configuration Normal usage Option number T ektronix part number Nort h A m.
Getting Starte d 1- 4 WFM700 S erie s W avefor m Monitors User Ma nual Opt ional Accessor ies If you ord ered any o f the fol lo wi ng o pt io nal acces so ries, t hey w ere shi pp ed wi th your wavef orm monitor . Y ou can add a ny of the following video or audio modules to a unit: NOTE .
WFM700 Series W avef orm Monitors User Manual 1- 5 Installation and Power On This section c ontains information a bout installing and power ing on the wa ve- form monitor . Instruc tions for perf orming f irmwar e upgrade s are located in the WFM70 0 S eri es T echn ica l R eference docume nt on the C D-ROM.
Installa tion and Power On 1- 6 WFM700 S erie s W avefor m Monitors User Ma nual Connecti ng Power The wavef orm monitor operates fr om a single-phase powe r source with the neutra l conductor at or nea r ear th ground. The line conductor is fused for over -curr ent protec tion.
Operat ing Basi cs.
WFM700 Series W avef orm Monitors User Manual 2- 1 Functional Overview The instrume nt is controlled thr ough a combina tion of front-pa nel controls (buttons and knobs) and touch-scr een controls ( soft keys), as desc ribed on the following page s. The wave for m monitor f ront pa nel is shown in Figure 2- - 1.
Functional Over view 2- 2 WFM700 S erie s W avefor m Monitors User Ma nual Front Panel Knobs and Indi cator s T able 2- - 1 descr ibes the knobs and indica tors on the wave form monitor : T able 2 - 1.
Functional Over view WFM700 Series W avef orm Monitors User Manual 2- 3 T able 2 - 2: LED fault codes State ON/STBY LED Fault LED Main power rel ay Description / suggested action Standby Off Off Off No power . Press the ON/STBY swi tch f or normal operation.
Functional Over view 2- 4 WFM700 S erie s W avefor m Monitors User Ma nual Front- Panel Butt ons Ref er to M enus begin ni ng o n pag e 2 - - 1 1 for a descrip ti on o f the men us acces sed by pressing the front- panel buttons. T able 2- - 3 describe s the diffe rent cate gories of front- panel buttons.
Functional Over view WFM700 Series W avef orm Monitors User Manual 2- 5 T ouch Scr een (Sof t Keys) Use th e tou ch screen t o sel ect cho ices fro m a menu an d to acces s add itional instrument me nus. “Buttons” that a ppea r on sc re en a re r efer red to a s soft keys and cha nge with the instrume nt mode.
Functional Over view 2- 6 WFM700 S erie s W avefor m Monitors User Ma nual T able 2 - 4: Readout descr iptions (Cont.) Readout Description Location Magnif icat ion (Mag) Lower center T ext i ndicat es the m ag sett ing. I f m ag is on, t he text appears in yel low t o indi cate that t he signal i s not bei ng displ ayed in t he normal t im e scale.
Functional Over view WFM700 Series W avef orm Monitors User Manual 2- 7 Icons On-scr een icons infor m you that an er ror c ondition exists or an instr ument opera tion is in progress.
Functional Over view 2- 8 WFM700 S erie s W avefor m Monitors User Ma nual Rear Panel Connector s The re ar- panel conne ctors a re shown in Figure 2- - 2 and descr ibed in T able 2- - 5.
Functional Over view WFM700 Series W avef orm Monitors User Manual 2- 9 T able 2 - 5: Rear -panel connector s Connector( s) Description Power This inst rument i s int ended to operate f rom a singl e-phase power sour ce with one current-carrying conductor at or near earth ground ( the neutral conduct or).
Functional Over view 2- 1 0 WFM700 Serie s W avefor m Monitors Use r Ma nual T able 2 - 5: Rear -panel connectors ( Cont.) Connector( s) Description Mult i-pin connect ors The wavef orm moni tor provides the f oll owing m ult i-pin connect ors: VGA PIX MON.
WFM700 Series W avef orm Monitors User Manual 2- 1 1 Menus Thi s sect io n des crib es th e vario us m enu s yo u can access i n the in st rum ent an d provides menu diagr ams showing the location of the availa ble selec tions. The menu d iag rams are organi zed in al ph abet ical o rder .
Menus 2- 1 2 WFM700 Serie s W avefor m Monitors Use r Ma nual Using t he Menu Di agram s The menu diagra ms contain the following components (se e Figure 2- - 3): 1. A partia l illustration of the instr ument front pa nel, highlighting the fr ont- panel button you se lect to ente r the displa yed menu.
Menus WFM700 Series W avef orm Monitors User Manual 2- 1 3 Audio M enu (Opt ion DG O nl y) Press the AUDIO button to enter the Audio mode. If your instrument has only video modules insta lled, the instrument displa ys the Embedde d Audio S tatus scre en and has no me nu.
Menus 2- 1 4 WFM700 Serie s W avefor m Monitors Use r Ma nual Confi gure M enu Press the CONFIG button to open the C onfigure me nu, which is shown in Figures 2- - 5 through 2 - - 7. The conf igura tion par ame ter s for the instrume nt ar e grouped into functiona l submenus within the C onfigure me nu.
Menus WFM700 Series W avef orm Monitors User Manual 2- 1 5 HELP PRINT FREEZE DISPLA Y CONFI G PRESET Video Inputs /Out puts Strip EA V/ SA V (W FM ): Pas s | St rip Ext Ref F ormat : Video Input F ormat : HD Colorim etry : Auto Select | IT U-R BT .
Menus 2- 1 6 WFM700 Serie s W avefor m Monitors Use r Ma nual HELP PRINT FREEZE DISPLA Y CONFI G PRESET Audio Display s Audio Thresholds (Option DG audio module only) Audio Presence R eadout: Off | On.
Menus WFM700 Series W avef orm Monitors User Manual 2- 1 7 HELP PRINT FREEZE DISPLA Y CONFI G PRESET Calibration System T ouchpanel Calibrat ion Eye Gain Adjust SD Jit ter Gain Adjus t HD J itt er Gai.
Menus 2- 1 8 WFM700 Serie s W avefor m Monitors Use r Ma nual Cursor M enu If the instrume nt is in a mode that supports measure ment cursor s (W ave form, Eye, or Jitter modes), the Cursor menu shown in Figure 2 - - 9 is displayed whe n you press the C URS OR button.
Menus WFM700 Series W avef orm Monitors User Manual 2- 1 9 Displ ay Menu Press the DI S PLA Y button to open the Display me nu shown in Figure 2- - 10.
Menus 2- 2 0 WFM700 Serie s W avefor m Monitors Use r Ma nual Eye Menu (W FM700M Onl y) Press the EYE button to e nter the Eye mode and displa y the Eye menu shown in Fi gu re 2 - - 11. R efer t o Eye Mode (W FM700M Only) on pa ge 3 - - 17 for more informa tion about using the Eye a nd Jitter me asureme nt displays.
Menus WFM700 Series W avef orm Monitors User Manual 2- 2 1 Freez e Menu Press the FREEZE button to open the Fr eeze men u sh ow n in F i gu re 2 - - 12 . Freeze M od e let s you: H Cap tu re (freeze) th e acti ve s ig nal and h ol d i t i n t he C ap tu re bu ffer .
Menus 2- 2 2 WFM700 Serie s W avefor m Monitors Use r Ma nual Gain Menu Press the GAI N button to display the Gain menu shown in Figure 2 - - 13. The curr ent gain setting is displa yed in the lowe r left c orner of the scre en. The gain setting is displaye d in yellow if var iable ga in is active.
Menus WFM700 Series W avef orm Monitors User Manual 2- 2 3 Gamut Me nu Press the GAMUT button to e nter the Ga mut mode and displa y the Gamut menu shown in Figure 2- - 14. Use the Ga mut menu to vie w the Dia mond, Split Diamond, or Arr owhead displays, and to set the gamut measure ment limits.
Menus 2- 2 4 WFM700 Serie s W avefor m Monitors Use r Ma nual Help M enu Press the HELP button to display online help about the cur rent opera ting mode and to display syste m information suc h as the sof tware ve rsion, the installe d options and boar d versions, and the networ k parame ters ( see Figure 2- - 15).
Menus WFM700 Series W avef orm Monitors User Manual 2- 2 5 Line Select M enu Press the LI NE S EL button to enable the Line Sele ct mode and open the menu shown in Figure 2- - 17. Opera ting modes tha t support the line sele ct f unction a re W aveform, V ec tor , Gamut, Jitter , Eye, a nd Data .
Menus 2- 2 6 WFM700 Serie s W avefor m Monitors Use r Ma nual Measur e Mode Menu ( WFM 700A and WFM 700HD Onl y) For instruments with only W F M7A and/or W FM7HD video modules installe d, press th e Meas ure b ut to n t o acces s t he B o wti e mo de.
Menus WFM700 Series W avef orm Monitors User Manual 2- 2 7 Multi Menu Press the MUL TI button to enter Multi mode, which displays the Multi menu shown in F igure 2- - 19. Multi mode shows two diffe rent views of the same input signal side- by-side. Y ou must use the Input menu to se lect a dif fer ent input sig nal to di sp lay .
Menus 2- 2 8 WFM700 Serie s W avefor m Monitors Use r Ma nual Pict ure M enu Press the PICTURE button to enter the Picture mode. Picture mode displa ys a full scr een repr esentation of the video signa l pre sent at the selected input.
Menus WFM700 Series W avef orm Monitors User Manual 2- 2 9 Preset M enu Press the PRESET button to open the Prese t menu shown in Figure 2- - 21. The Pres et men u all ow s yo u to s to re and recall i ns tru men t con fig urat ion s e ttings. There a re 42 user- programma ble prese ts available in addition to the Restore Factory pr eset.
Menus 2- 3 0 WFM700 Serie s W avefor m Monitors Use r Ma nual Pri nt Menu When you pr ess the PRINT button, the Abort Printing soft key a ppears. Press this soft key to a bort the print re quest. Stat us Menu Press the ST A TUS button to enter the S tatus display mode, which displa ys the Status menu shown in Figure 2- - 22.
Menus WFM700 Series W avef orm Monitors User Manual 2- 3 1 Sweep Menu Press the SWEEP button while in W avef orm mode to display the Swee p menu shown in Figure 2- - 23.
Menus 2- 3 2 WFM700 Serie s W avefor m Monitors Use r Ma nual V ector Menu Press the VECT OR button to enter the V ector mode and displa y the V ec tor me nu shown in Figure 2- - 24.
Menus WFM700 Series W avef orm Monitors User Manual 2- 3 3 W avef orm M enu Press the W F M button to open the W avef orm mode a nd display the W avefor m menu shown in Figure 2- - 25. R efe r to W aveform Mode on pa ge 3- - 44 for more info rmat io n.
Refer ence.
WFM700 Series W avef orm Monitors User Manual 3- 1 Reference NOTE . Ref er to R el ated Referen ce Do cum ent s on page vi for a list of r efer enc e documents that ar e available on the W FM700 Series Use r Docume ntation CD-ROM locate d on the back c over of this manual and/or at the T ektr onix, Inc.
Referen ce 3- 2 WFM700 S erie s W avefor m Monitors User Ma nual Alar ms Use the Configure Alar ms submenu of the C onfigure me nu to select which err or conditions you will monitor a nd how you will be notified in the event of an er ror .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 Use the Status Display mode to view current ala rm conditions. Use the Event Log to view past a larm conditions. Refer to Status Displays on pa ge 3- - 37 and Logging on page 3 - - 32 for more infor mation.
Referen ce 3- 4 WFM700 S erie s W avefor m Monitors User Ma nual An c illa ry D a ta D is p la y The Ancillar y Data display (see Figure 3- - 1) shows the raw (undec oded) da ta words in the se lected a ncillar y data pac kets. The a ncillar y data is shown only in hexade cimal for mat.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 5 T able 3 - 1: DID an d SD ID va lue s fo r c om m o n an cilla r y da t a t ypes Anc illary d at a typ e DID value SDI D value ARIB TR-B22.
Referen ce 3- 6 WFM700 S erie s W avefor m Monitors User Ma nual ARIB STD- B39 Displ ay The ARIB S TD-B39 display (see Figure 3- - 2) shows the decoded data f or video signals using anc illary data compliant with ARIB STD-B39.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 7 Audio M ode For instruments with only vide o modules installed, Audio mode pr ovides a protocol- level che ck for the AES stream.
Referen ce 3- 8 WFM700 S erie s W avefor m Monitors User Ma nual Use the Displa y soft key to sele ct one of the following audio displays: H Level M eters H Level Me ters + Lissajous H Surround Sound .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 9 T o select whic h channe l pair is displaye d on the Lissa jous display: NOTE . T he channel pair labels depend on the Audio Pr ogram T ype setting (surr ound or ster eo pairs) . 1. T ouch the Lissajous Pair : soft key to ope n the Audio Lissajous Pair me nu.
Referen ce 3- 1 0 WFM700 Serie s W avefor m Monitors Use r Ma nual When you se lect the Surr ound Sound display (see F igure 3- - 3), the left por tion of the scr een displays the l evel me ters and the right portion of the scr ee n displays the Surround Sound display .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 1 1 The Surround Sound display indic ates the a udio level ba lance a mong the lef t (L), right (R), lef t-surround ( Ls), and right- surround (Rs) c hannels a s cyan lines on the rul ed scal es radi ati ng fro m th e center .
Referen ce 3- 1 2 WFM700 Serie s W avefor m Monitors Use r Ma nual Figure 3- - 5 shows examples of how the S urround Sound wave form a ppears for some typica l signal types. Uncorrelated signals; sam e level in the L, R, Ls, and Rs channels. Sine wave test t one; same level in the L, R, Ls, and Rs channels.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 1 3 The Channel Status display shows the c hanne l status inf ormation, for one channe l pair at a time, that is embe dded in the AES3 - - 1992 (pr ofe ssional) or IEC- - 60958-3 (c onsumer) digital a udio channels.
Referen ce 3- 1 4 WFM700 Serie s W avefor m Monitors Use r Ma nual Bowt ie Mode The Bowtie display evaluate s the relative a mplitude and timing betwee n the three v id eo ch ann els . T o acces s t he B ow ti e mo de, p ress th e MEA S UR E bu tt on , touch the Me asure Me nu soft key , and then touch t he Bowtie soft ke y .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 1 5 Composi te Di spl ay The instrume nt provides a c omposite re presentation of both S D and HD component signa ls. T o access t he co mp os it e di sp lay , set th e col or s pace t o composite in W aveform mode or sele ct C omposite Gratic ule in V ector mode.
Referen ce 3- 1 6 WFM700 Serie s W avefor m Monitors Use r Ma nual Diagnost ics The wave form monitor pr ovides diagnostic s capabilitie s, which ar e accessed through the System subme nu of the Configure menu. Y ou can view or print the Diagnostics Log, which contains the results of the last diagnostic te st that the instrument pe rformed.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 1 7 Eye / Ji tt er Mode ( WFM700M O nl y) Pres s t he E YE bu tt on to acces s t he E ye / J itter menu a nd mea sure ments. The Eye patter n display presents a voltage -ver sus-time wavefor m composed of multiple sweeps of the SD or HD serial bit stream.
Referen ce 3- 1 8 WFM700 Serie s W avefor m Monitors Use r Ma nual Automat ic Eye Measurements. When t he Eye di sp lay i s sel ected , y ou can u se th e Eye Mea s. soft key to tur n on or of f a r ea dout that displa ys automa tic mea sure- ments of the eye wave form (see Figure 3- - 7).
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 1 9 Rise overshoot peak indicator 80% signal fall level indicator 80% signal rise level indicator Upper signal level indicator Waveform hist.
Referen ce 3- 2 0 WFM700 Serie s W avefor m Monitors Use r Ma nual Manuall y Measuring Amplitude. The f ollowing procedure shows you how to manually me asure the signal amplitude using both the gra ticule and the V oltage Cur sors . 1. Perfor m the initial settings for Eye measure ments describe d in Setup for Eye Measur ements above.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 2 1 Manuall y Measuring Rise T ime. Rise time mea sure ments of the eye wa vef orm check th e perform ance of so urces an d si gn al deg radat io n by cab li ng . T he following proc edure pr ovides two methods f or manually me asuring r ise time.
Referen ce 3- 2 2 WFM700 Serie s W avefor m Monitors Use r Ma nual 3. Method 2 - - Use the pe rce ntage voltage cur sors to measure r ise time: a. T urn on the volta ge cur sors and set the volta ge cursor units to %.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 2 3 The Jitter display mode plots jitter ver sus time as a trace and mea sures peak-to- peak time jitter on the ac tive input signal. The Jitter mode conver ts any phase modulation to amplitude and plots it against time.
Referen ce 3- 2 4 WFM700 Serie s W avefor m Monitors Use r Ma nual Using Line Sel ect . Whe n Line Select is of f, the jitter mea sure ment ref lects the maximum amount of jitter in the full f ield. When Line Selec t is on and Line sweep is se lected, the jitte r me asure ment displays “line n jitter , ” with n being the selec ted line number .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 2 5 Reporting Jitter Measurement Er ror s. When enabl ed in t he P hys ical A larm s submenu of the Configure menu, the Jitter ala rm will b.
Referen ce 3- 2 6 WFM700 Serie s W avefor m Monitors Use r Ma nual Measurement Accur acy Using the Measurement Cur sors. If you use the mea sure - ment cur sors to measure jitter , you may measure a d.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 2 7 Gamut M easurement s NOTE . Gamut err or detec tion is disabled in Eye and Jitte r display modes. The wavef orm monitor feature s three types of gamut displays: H The Diamond displa y shows the relationship be tween the R, G, and B video signals.
Referen ce 3- 2 8 WFM700 Serie s W avefor m Monitors Use r Ma nual Example A: R- -O k G > 700 mV B- -O k Example B: R- -O k G- -O k B > 700 mV Example C: R- -O k G - - Ok, 350 mV B<0m V Figur.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 2 9 High Luma limit 100 IRE 1 10 IRE 120 IRE 131 IRE High Composite lim it - - 24 IRE - - 33 IRE - - 40 IRE Low Luma limit Low Composite lim it Luma amplitude 0% 7.
Referen ce 3- 3 0 WFM700 Serie s W avefor m Monitors Use r Ma nual Listed below a re gener al guidelines f or setting ga mut alarm limits for the Diamond and Ar rowhead displa ys. Default Thr esholds. Use the Grat / Ga mut Def ault Setup subme nu of the Configure me nu to select the standar d used f or def ault gamut thre sholds: T ek or IBU-R103.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 1 Filtering. T wo filters a llow you to accep t ov ers hoot that would otherwise be repor ted as a ga mut err or . Overshoot oc cur s due to the une qual rise time of the chroma a nd luma inherent in the YPbP r signal.
Referen ce 3- 3 2 WFM700 Serie s W avefor m Monitors Use r Ma nual Logging The instrume nt contains two dif fere nt log files: dia gnostics and eve nts. Y ou can use the Remote W eb S erve r interf ace to download the contents of eithe r log file. This log contains the results of the la st diagnostic test tha t was pe rfor med.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 3 Configuring the Event Log Full Condition. Use the Printing/Event Log submenu of the Configure menu to configure the instrument to eithe r stop logging events or to overwr ite events when the event log has fille d up to the 10,000 entry leve l.
Referen ce 3- 3 4 WFM700 Serie s W avefor m Monitors Use r Ma nual Measur e Mode (W FM700M Only) Pres s t he M EA S UR E bu tt on to acces s t he D ata D is pl ay . The D ata D is pl ay m od e shows the ac tual SD or HD input data without any inte rpolation.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 5 Pict ure M ode Press the PICTURE button to display a f ull scree n repr esentation of t he video signal pre sent at the se lecte d input.
Referen ce 3- 3 6 WFM700 Serie s W avefor m Monitors Use r Ma nual Pri nti ng NOTE . The instrument formats print output in Postscript c olor , or Postscript black and white formats.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 7 Stat us Displ ays Press the ST A TUS button and then touch the Display soft key to sele ct from the following status displa ys: H Session. Use this selec tion to view the V ideo Status/Session, Audio Status/Session, or Auxiliary Data Status displays.
Referen ce 3- 3 8 WFM700 Serie s W avefor m Monitors Use r Ma nual The Audio Status/Session display shows the current sta tus of the audio signal being monitore d. Use the Session Stopped/Running soft ke y to star t or stop the monitoring session. Use the R eset Session sof t key to cle ar the displa y .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 3 9 The instrument provide s the following five alar m status displays which corr espond to the ca tegorie s of alarms pr ovided in the Configure menu: gene ra l, seria l, audio (Option DG only) , auxiliar y data , and physica l (W FM700M only).
Referen ce 3- 4 0 WFM700 Serie s W avefor m Monitors Use r Ma nual V ector Mode Press the VECT OR button to enter the V ector mode, where you can se lec t two rela ted displays: V ector a nd Lightning. Both displays have ta r gets for de ter min- ing conforma nce using 75% or 100% color bar signals.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 4 1 V ector Timing Measurement s. In the composite domain, the transitions betwe en the vec tor end points display timing dif fer enc es. B ecaus e th ese timing diff er - ence s include the de lay in the de coder output f iltering, you ca n usually ignore them.
Referen ce 3- 4 2 WFM700 Serie s W avefor m Monitors Use r Ma nual Figure 3 - 13: Lightning display show ing proper interchannel timing 40 ns timing error 20 ns timing error Figure 3 - 14: Lightning d.
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 4 3 Luminance Gain M easur ement . The signa l is driven along the ve rtical a xis above and b elo w t he cen ter b ox by the l um in ance s ig nal .
Referen ce 3- 4 4 WFM700 Serie s W avefor m Monitors Use r Ma nual W avef orm M ode Press the W F M button to enter the W avefor m mode. In W avef orm mode , the selec ted components a re displa yed in a voltage versus time plot. Y ou ca n apply flat or low pass filters a nd choose the c olor spac e modes (suc h as RGB or composite) .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 4 5 Sweep. Use the S weep menu to se lect fr om the following swe ep modes: H Line. One horizontal line is displayed. Use the Line Select func tion to choose one line out of a field or fr ame.
Referen ce 3- 4 6 WFM700 Serie s W avefor m Monitors Use r Ma nual T o measure the timing of two digital signals, use the following procedure : 1. Connect the two te rminated SDI signa ls to be mea sured to Input A and Input B on the wave form monitor .
Referen ce WFM700 Series W avef orm Monitors User Manual 3- 4 7 Figure 3 - 15: XYZ pulse of Y channel with pass through selected 6. T o measure horiz ontal timing, perf orm the following steps: a. Switch to Input A and se t the wavef orm monitor to one line sweep.
Index.
WFM700 Series W avef orm Monitors User Manual Index - 1 Index A Aberrati ons, serial c hanne l me asurem ent s, 3- - 20 AC line fre quenc y , 1 - - 6 Acces so ries Japanese user m anua l, 1 - - 4 Ko r.
Index Index - 2 WFM700 Series W avef orm Monitors User Manual E EC self tes t failed, 2- - 3 Error indic at ors, Alarm Stat us display , 3- - 39 Errors, 3- - 2 ETHERNE T connec tor, 2- - 10 Event l og.
Index WFM700 Series W avef orm Monitors User Manual Index - 3 L LED fa ult code s, 2 - - 2 Light ning di splay , 3 - - 41 interch annel timing measu rement, 3- - 43 luminan ce gain meas urement, 3- - .
Index Index - 4 WFM700 Series W avef orm Monitors User Manual P Part numbers Japanese W FM700 Us e r Manual , 1 - - 4 Ko rean WFM 700 U s er Man ual, 1 - - 4 pow er cord s, 1- - 3 WFM 700 R elease N o.
Index WFM700 Series W avef orm Monitors User Manual Index - 5 V V Gain re adout , 2- - 5 V- - c hip (Conte nt Advisory) rea dout, 2 - - 6 V ariab le gain, 2- - 22 V aria ble ga in range , 2 - - 22 V e.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Tektronix WFM700 Series è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Tektronix WFM700 Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Tektronix WFM700 Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Tektronix WFM700 Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Tektronix WFM700 Series, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Tektronix WFM700 Series.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Tektronix WFM700 Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Tektronix WFM700 Series insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
