Manuale d’uso / di manutenzione del prodotto 450E del fabbricante ViewCast
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Osprey ® 240e /450e User Guide AVStream Driver Version 4.6.
© 2012 ViewCast Corporati on. All rights r eserved. Osprey® and SimulStream® are registered t rademarks of ViewCast Corporatio n Microsoft®, Windo ws®, Windows Serv er ®2003, AVStrea m®, Direct Show®, Intel® Core Duo®, and Windows Medi a® Encoder a re trademarks or r egistered t rademarks of M icrosoft Corpor ation.
Osprey 240e/450e Use r Guide ViewCast iii Contents Overvie w ............................................................................................................................. 1 Warranties ...................................................
Contents iv ViewCast Device tab ......................................................................................................................... 42 No -Video Test Pattern .......................................................................
Osprey 240e/450e Use r Guide ViewCast v A udio driver ....................................................................................................................... 81 Selecting the audio source and input volume ..............................
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Osprey 240e/450e Use r Guide ViewCast 1 Overview Thank you for purchasin g the ViewC ast Osprey 240e/45 0e video captur e card. Th is user guide provides step- by -step instructions f or installing and using your new video capture c ard. F or the latest ViewC ast product information and news, visit our website at www.
Overview 2 ViewCast System requ irements The following sys tem requirem ents relate to your O sprey® video capture card only. The vide o capture or encoding applicati ons you use will li kely require a m uch more pow erful system t han that which is listed below.
Osprey 240e/450e Use r Guide ViewCast 3 Installation Steps In all cases, use the s et up.exe progra m on the product CD or in the web package if you downloaded it . The setup progra m automa tes the Plug and Play steps needed to install t he driver s and ensures the y are performed corr ectly.
Installation Ste ps 4 ViewCast Custom instal ling AVStream During the install ation process, if you ch oose a Custom installa tion , your op tions are limited (Fig ure 1). Figure 1. Osprey 240e Custom Setup screen This window allows you to choose individu al compon ents you ma y want to install.
Osprey 240e/450e Use r Guide ViewCast 5 All computer cards ar e sensitive to electrostatic d ischarge. Sli ght electrostati c dischar ges from clothing or even fr om the n ormal work envir o nment c an adversely affect these card s.
Installation Ste ps 6 ViewCast The New Hardwar e Wizard run s and the Found New H ardware window appears followed by the Digital Signature Not Found window (Figure 2 ) Figure 2.
Osprey 240e/450e Use r Guide ViewCast 7 Setting Driver Properties After installing th e Osprey card and AV Stream dri ver, you need to access the card ’ s settings and possibly modify them t o fit your needs. This manual takes y ou step- by -step visuall y through the card s ettings.
Setting Driver Properties 8 ViewCast Osprey Conf ig’s initial processing s equence After clicking on the Osprey Config icon, the first scre en o f the applica tio n appea rs ( Figure 5 ) sh owing the cards and devic es installed on your comput er. Figure 5.
Osprey 240e/450e Use r Guide ViewCast 9 Figure 6 shows the us er interface that appears wh en you select a filter. We expanded the Osprey 450e Device 1A and selec te d Vid eo Filter . We’ll continue with this device unless we ind icate otherwise. Figure 6.
Setting Driver Properties 10 ViewCast When you choose Device 1A and Video Filter 1, th e Show Propert ies for Selected Fi lter button beco mes active (Figure 7) .
Osprey 240e/450e Use r Guide ViewCast 11 Understandi ng the device properties wind ow Osprey’s device pr operties window enab les you to view and change the default setting s of the 4.
Setting Driver Properties 12 ViewCast The Osprey 240e and 450e card s have the foll owing tab s: Input Select the vide o input, NTSC / PAL / S ECAM video stan dard and Input Format Video Proc Amp Set .
Osprey 240e/450e Use r Guide ViewCast 13 Devices and global controls The Osprey 240e and Osprey 450e vide o capture card s can present multiple outpu t streams from a single input devic e. For exa mple, a compan y may wish to d o a webcast gl obally to resell ers, users, or potential custo mers.
Setting Driver Properties 14 ViewCast Input tab The source of data fr o m an Osprey 240e/450e that streams to the Internet can c o me from a nu mber of devices such as DV D players, dig ital cameras, camc orders, and so f orth.
Osprey 240e/450e Use r Guide ViewCast 15 The Input tab has the f o llowing c ontrols. Video Input The Video Input secti o n of the tab all o ws you to s elect the video signal source.
Setting Driver Properties 16 ViewCast Osprey 450e AV option hardware add- on -device In addition to the stand ard componen ts built into th e Osprey 450e card, you can purch ase the Osprey 450e AV Option hardware add-on device. The AV Option exposes add itional inputs for Component and S-Vid eo as well as bala nced audio.
Osprey 240e/450e Use r Guide ViewCast 17 Video input The Video Input (Figure 16 ) lets you select the video sig nal source from a drop-d own list. Figure 13 . Video Input fi eld Osprey 240e The Osprey 240e is a single chann el card. It has multiple video inputs, bu t you can selec t only one of them at a time.
Setting Driver Properties 18 ViewCast The Osprey - 450e’ s optional auxili ary expansi on connector for video adds three ad ditional inputs, ov er three multi-purpos e physical connector s for each .
Osprey 240e/450e Use r Guide ViewCast 19 Input Format: analog inputs Below the Video S tandard drop-down lis t is the Inp ut Format (Figu re 18 ). Figure 18 . Input Format On the Osprey 240 e/450e, when an analog inp ut becomes the med ia source, the controls provide adjustments that impr ove th e clarity of video from mon ochrome sources.
Setting Driver Properties 20 ViewCast VideoCheck VideoCheck opens a sim ple video monitoring window (Figure 20 ). You can see the im mediate effect o f changes to your setting s.
Osprey 240e/450e Use r Guide ViewCast 21 chroma display, the sm all s olid rectangular cu rsor corr esponds to the lu ma cursor – that is, if the lu ma cursor is on the r ed color bar, the chr oma cursor will b e at or near the red point i n the chroma display.
Setting Driver Properties 22 ViewCast Video Proc Amp tab Video Proc A mp stands for Video Process Amplifie r. It controls various charac teristics of streaming output from Osprey 240e/450e cards. The Video Proc Amp is the sec ond tab from th e left of the D evice 1A properties (Figu re 23 ) .
Osprey 240e/450e Use r Guide ViewCast 23 The Video Proc Amp tab has the following controls. Brightness and Contrast These terms are used fo r contrast ratio. It’s a measur e o f a display sy stem, defin ed as the ratio of the brig htest color (white) to that of the darkest color (black) that the system can produce.
Setting Driver Properties 24 ViewCast Video Decoder tab The Video Decoder tab is a Micr o soft DirectSh o w stand ard control for setting the NTSC /PAL/SECAM video standards (Figure 24 ). Note: These cont rols are also on the In put tab . Most users fin d the Input tab mo re convenient to use.
Osprey 240e/450e Use r Guide ViewCast 25 The Video Decoder tab has the following controls. Video Stan dard Select the vide o standard Signal Detected When the card d o es not detect the inp ut signal, this fi eld displays a 0. When the card de tects the in put signal, it displays 1.
Setting Driver Properties 26 ViewCast RefSize tab Changes made to th e RefSize tab (Figure 25 ) apply to all video pre v iews and cap tures o n the curr ently selected device. The R efSize tab controls the features related to the reference siz e, format, and proportions of the v ideo.
Osprey 240e/450e Use r Guide ViewCast 27 Source Width The Source Width c o ntrol c an be used to trim the bla ck left and rig ht edges of an image. Reference Size for Crop and Logo Placement This part of the dial og box d isplays the results of more fund amental settings made else where in the dialog box.
Setting Driver Properties 28 ViewCast 16:9 Wide Select 16:9 Wide f or 1.85:1 anam o rphic video such as DVD content and an y widescreen content. The output vide o size is 852 x 4 80 for 525-line standard s, and 1024 x 576 f or 625-line stand ards. To actually s ee output of this size, you have to also sele ct this size in y o ur applicati on.
Osprey 240e/450e Use r Guide ViewCast 29 You can set start lin es all the wa y up to 27 /290. (On the PCI products which have a Dire ct Mode option, PostProcessing M ode must be set in order to have t op lines below 23/ 286.
Setting Driver Properties 30 ViewCast The driver perfor m s the so urce width adjustment in hardware if possible ; otherw ise it perfor ms it in software.
Osprey 240e/450e Use r Guide ViewCast 31 525 -Line (NTSC) Vertical Format Figure 30 . 525 -Line (N TSC) Vertical Format This control is only meaningfu l for NTSC users. It has n o effect for PAL and SECAM 6 25-line video standards. Select 480-line vide o for all nor m al applicati ons.
Setting Driver Properties 32 ViewCast Filters tab The Filters tab (Figure 31 ) covers two independent technologies: Si mulStream and deinterlacing. Functionality for both t echnologies exists on th e Filters tab. Figure 31 . Filters tab The RefSize tab has the following c o ntrols.
Osprey 240e/450e Use r Guide ViewCast 33 Help Click Help to acc ess the user guid e. Filters have tw o interrelated purp oses: They allow appli cations to enu merate and list DirectShow vide o capture and pre view pins or streams (each with differen t settings) as named entries in their video devic e select lis t.
Setting Driver Properties 34 ViewCast The driver includes a free evaluation version. Evaluation mode works the same a s licensed SimulStream except that an e valuation mod e graphic is alwa ys displayed on the video. For details about pu rchasing and installing SimulS tream, refer to the ViewCast website.
Osprey 240e/450e Use r Guide ViewCast 35 list of capture devi ces with Si mulStream enab led, Osprey 240 Vide o Device 1.1, Osprey 24 0 Video Device 1.2 , and … 1.3 and … 1.4 appear. For the Osprey- 450 e, the corresp onding designations would add an “A”.
Setting Driver Properties 36 ViewCast Deinterlace Figure 35 . Deinterlace settings The deinterlace group has four radio bu ttons. Au to Apply inverse t elecine dein terlacing to all telecine vid eo . Apply motion adaptive deinterlacin g to al l video that is n o t telecine.
Osprey 240e/450e Use r Guide ViewCast 37 Vertical scal ing : When the driver s cales video it trea ts both fields of the frame as a single progressive fram e unit. The frame has to be deinterlac ed or progressiv e. If it is not, and the video has motion, the result in scaled video will be large jagg ed patches on v ertical or diagonal edges.
Setting Driver Properties 38 ViewCast Currently Using group These indicators allo w you to see the curr ent algorith m . These are no t control bu ttons; they are read- only indicators. They are mainly useful in A uto Mode, to indicate which algorithm – Inverse Telecine or Motion Adaptive – is currently being applied.
Osprey 240e/450e Use r Guide ViewCast 39 Adaptive Deinterlace window Use the adjust dial og to adjust the para meters that co ntrol motion adap tive deinterlacin g (Figure 37 ).
Setting Driver Properties 40 ViewCast deinterlacing but us es sligh tly more processing power. The 3-frame algori thm adds one frame time of lat ency to video processing, wher eas the 2-frame alg orithm (when us ed in pure Motion Adaptive mode) does not (s ee Effects on video latency ).
Osprey 240e/450e Use r Guide ViewCast 41 Motion Adaptive – 2 -frame . Once that is done, other factors t o reduce pro cessing time are t he following: Set Deinterlacin g to Off rather than Mo tion Adaptive – 2 Frame for abs olute minimum processing time.
Setting Driver Properties 42 ViewCast Device tab Device controls (Fig ure 38 ) are less often us ed items. Unless specifically not ed, changes made on this page apply to all fil te rs and all vide o previews and capture pins o n the currentl y selected de v ice.
Osprey 240e/450e Use r Guide ViewCast 43 OK Cli ck OK to accept the settings. Cancel Click Cancel to rejec t the s ettings and close the window. Apply Click Apply to app ly the set tings.
Setting Driver Properties 44 ViewCast Capture and encoding applications generall y need a la rge number of buffers so they can d ee ply pip eline the downstream proc essing without danger of buffer starv ation at the driver.
Osprey 240e/450e Use r Guide ViewCast 45 Log to File enable s writing diagnostics directly to a file . Select a director y and file name to c o mplete the setup . For this purpose, Select File displays a standard Windows file selec t sub-dialog. If y ou do not select a file, the default will be c: diag240-1.
Setting Driver Properties 46 ViewCast Device Info Figur e 42 . Device Info Th e Device Inf o window displays useful informati o n about th e capture card and the driver, including th e DirectShow name o f the device (Figur e 42 ). Click OK to close the w indow.
Osprey 240e/450e Use r Guide ViewCast 47 Figure 43 . Board Numbering Each line represent s the information for one Osprey b o ard. Only boards that are currently ins talled and enabled are shown. Al so , only boards o f one typ e at a time are shown. For exa mple, consider a sy stem with two Osprey-2 40e and two Ospre y -450e boards.
Setting Driver Properties 48 ViewCast issues before saving the numbers and exiting. H owever, y ou can exit by clicking Ca nc el at any tim e, and your changes will be discarded.
Osprey 240e/450e Use r Guide ViewCast 49 Extras Extras (Figure 45 ) are featu res of the AVStream driver that are new, not ful ly defined, or sub ject to change. Extras may also inc lude workaroun ds to unresolved issues that m ay be re so lved at a future time.
Setting Driver Properties 50 ViewCast Captions tab The Osprey 240e /450e driv er has four wa ys of deliveri ng NTSC Closed Capti o n (CC) data: It can render capti o ns directly on t o the video befor e it leaves th e driver. It can send decod ed caption data t o a DirectSho w-compliant CC pin.
Osprey 240e/450e Use r Guide ViewCast 51 The Captions tab has the following controls. Pin Select The drop-down list has thr ee choices: Capture Preview Both Render NTSC Closed Caption s On Video The driver can rend er close d captions on vide o when NTSC video is selected on the inpu t.
Setting Driver Properties 52 ViewCast Render NTSC Closed Captions On Video Figure 47 . Render NTSC Closed Cap tion On Video When you select Rend er NTSC Clos ed Captions On Video (Figure 47 ), the CC Chan nel co ntrol sele cts which channel to r ender .
Osprey 240e/450e Use r Guide ViewCast 53 CC Pin Figure 49 . CC Pin This group control s whet her the cl osed-caption charac te r pairs the DirectShow CC pin emits ar e from Field 1 or Field 2 of the video.
Setting Driver Properties 54 ViewCast Logo tab Figure 50 . Logo tab The Logo tab has the f o llo wing controls. Pin Select The drop-down list has thr ee choices: Capture Preview Both Enable Logo on File and Color sub tab From this control, enable or disable the logo.
Osprey 240e/450e Use r Guide ViewCast 55 Weighting on Fi l e and Color sub tab Set the degree of transparency of the logo. Position an d Size sub tab Set the position of th e logo and the scale. OK Cli ck OK to accept the settings. Cancel Click Cancel to rejec t the s ettings and close the window.
Setting Driver Properties 56 ViewCast Pin Select You can have different setups for the two pins. For example, you could enable th e logo on the capture pin but not on the pre view pin, and thereby save s ome CPU time.
Osprey 240e/450e Use r Guide ViewCast 57 Enable Key Color Figure 53 . Enable Key Co lor You can control the ke y col o r and the transpa rency effect. If vide o is running, y ou see your changes interactively. You can use these controls with both BMP and PNG images.
Setting Driver Properties 58 ViewCast Weighting The degree of weigh ting of the log o is variable thr ough 100 steps. If the setting is 100, the logo will b e 100% opaque.
Osprey 240e/450e Use r Guide ViewCast 59 The four Nudge bu ttons, L, R, U, and D, move the log o left, right, up , or down exa ctly one pi xel at a time on the output vide o. Since the positionin g rectangle may be scaled d own from the full vide o size, th e Nudge buttons all ow more accur ate positioning of the logo.
Setting Driver Properties 60 ViewCast Size and Crop tab This tab (Figure 57 ) has tw o functions. It sets the d efault output size, whether or not you enable cr opping.
Osprey 240e/450e Use r Guide ViewCast 61 Pin Select Th is field has three cho ices : Capture Preview Both Reference Size Displays the full uncr o pped size o f the incoming video . This read-only information is det ermined b y settings made on the Input tab and the RefSize tab.
Setting Driver Properties 62 ViewCast The reference width and height represent the full unc ro pped size of the inc oming video. Your crop settings are interpr et ed relative to this refer ence size.
Osprey 240e/450e Use r Guide ViewCast 63 If your Pin Select setting is Captu re , only the Capture granular ity box is enabled; similarly fo r Previ ew. The two small read- o nly edit boxes t o the right of the group show the horizontal an d vertical granularities for the selected color format for the selected pin type.
Setting Driver Properties 64 ViewCast cropping rectang le. The Right and Botto m boxes set the bo ttom right. The Width and Height boxes set the size of the r ecta ng le. Recalc button The Recalc button re calculates whichever of th e six crop edit boxes you have not filled in .
Osprey 240e/450e Use r Guide ViewCast 65 Default Output Size Figure 60 . Default Output Size The standard Direc tShow Pin Prop erties dialog all o ws you to select the height an d width of captured video (Figure 60 ) from a dr o p-down list . The drop-d own list has a particular ran ge of choices that may or may not fit your needs.
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Osprey 240e/450e Use r Guide ViewCast 67 AV Stream driver reference information DirectShow techn ology uses terms with sp ecific meanings, for example, filter, pin , driver, and device . Figure 61 depi cts the relati onship of DirectShow t erms as they apply to Osprey hardware and dri vers.
AVStream Driver Reference Information 68 ViewCast Both devices, filt ers, and pins ma y have associated Pr o perties. Proper ties are con trol parameters that can be read from or written to the component. So m e Prop erty Pages are standard Windows DirectSh o w pages.
Osprey 240e/450e Use r Guide ViewCast 69 Post-Processing mod e The Osprey 240e/4 50e driver does more than simply move video fr om t he hard ware to the system . Its Post-Processing facilit y includes a variety of filters, tr ansforms, and renderers wit hin the driver, and supports the SimulStr eam option.
AVStream Driver Reference Information 70 ViewCast With SimulStrea m enabled, there can be multiple capture pins and multiple previ ew pins. Each capture and pre v iew p in pair is on a separate fil ter.
Osprey 240e/450e Use r Guide ViewCast 71 Efficient Vid eo Renderin g The following infor m ation i s primarily useful to developers, but may als o be helpfu l for those wh o want to fine-tune existing applications.
AVStream Driver Reference Information 72 ViewCast Preview Pin to VMR7 Figure 65 . Video Mixing R enderer 7 VMR7 is short for Vide o Mixin g Renderer 7 .
Osprey 240e/450e Use r Guide ViewCast 73 Preview Pin to VMR9 Figure 66 . Video Mixing R enderer 9 Video Mixing R enderer 9 is the newest vide o renderin g method and the one on which Microsoft supposedly is basing its future dev elopment .
AVStream Driver Reference Information 74 ViewCast.
Osprey 240e/450e Use r Guide ViewCast 75 Video standards and si zes Video standard refer s to whether th e v ideo signal format is NTSC, PAL, or SECAM.
AVStream Driver Reference Information 76 ViewCast RGB24 – Each pix el has three bytes (24 bits) of data – on e each for red, green, and blue. This is another “true col o r” mode with 16.7 million col o rs. RGB555 – Each p ixel has tw o bytes (16 bits) of data.
Osprey 240e/450e Use r Guide ViewCast 77 Closed captioning (CC) The Osprey AVStrea m driver supports NTSC closed ca ptions in three separate ways. Through standard D irectShow CC and VBI pin B.
AVStream Driver Reference Information 78 ViewCast On the RefSize pr o perty pa ge, in the control gr oup, y ou must sele ct 480-line vide o and the radio button to start v ideo at eith er Lines 23/2 86 or Lines 2 2/285. On the Captions pr o perty pag e, m ost of the controls relate to the driver’s interna l direct rendering on vide o .
Osprey 240e/450e Use r Guide ViewCast 79 CC streaming interface The driver suppor ts an Osprey custom pr o perty which provides the closed cap tion character stream for use by custom ap plications . The Osprey fil ter named C CLineInterp.ax, sup plied with the dri ver package, provides user-mod e support for this cap tio ning mode .
AVStream Driver Reference Information 80 ViewCast This capability requires custom programming . Refer t o the Osprey AVStream S DK Users’ Gui de . A sample SDK applet named TCApp il lustrates the interface.
Osprey 240e/450e Use r Guide ViewCast 81 Audio driver Setup and control for audio are much simpler than for video. Selecting the audio source and input v olume You set the audio sour ce usin g the Osprey mix er driver in terface.
The Audio Driver 82 ViewCast the list of audio inpu t and output de vices, including one or more Ospre y c ards . When you have chosen the device, click OK , and you will be r eturned to the Recording Control display ( Fi gure 71 ). The Osprey devic e is not a mixer in that it does not allow for mixing the various audio sources.
Osprey 240e/450e Use r Guide ViewCast 83 Audio prop e rties page Many applications, including Wind ows Media Enc oder, display the illu strated prop erty dialog for setting audio source and volume level .
The Audio Driver 84 ViewCast Audio formats The Osprey hard ware supports sampling of analog au dio at 32, 44.1 and 48 kHz i n 1 6-bit PCM format. Captured audio da ta is down-sampled and reformatt ed .
Osprey 240e/450e Use r Guide ViewCast 85 In Dual Mono mode , each au dio device enum erates as two s eparate filters, resp ectivel y for the left and right physical inputs. Th e filters’ names will have L and R suffixe s, for exa mple, Osprey 230 Audio Devic e 1L.
The Audio Driver 86 ViewCast Audio level This control sets the hardware Input Reference le v el and software-based Boost factor. The settings ar e separate for each inp ut of each de vice, and are app lied to whiche v er input is sel ected in the current application or in th e system mixer.
Osprey 240e/450e Use r Guide ViewCast 87 Appendix A : Osprey hardware specifications Osprey 240e Environmental specifications Operating temp erature range 0 to 40 C Non-operating te mperature .
Appendix A: Osprey Hard ware Spec ifications 88 ViewCast Figure 75 . Osprey 240e long back plate Figure 76 . Osprey 240e short back plate Figure 77 . PCI Express Bus compliance PCI Express Bus com.
Osprey 240e/450e Use r Guide ViewCast 89 Osprey 450e Figure 78 . Osprey 450e back plate.
Appendix A: Osprey Hard ware Spec ifications 90 ViewCast.
Osprey 240e/450e Use r Guide ViewCast 91 Appendix B: Osprey 450e audio cable Figure 79 sho ws the male c o nnector on the c able. Figure 79 . 9 pin mini-DIN male Mini-DIN Signal RCA Connectors 1 Chann.
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Osprey 240e/450e Use r Guide ViewCast 93 Appendix C : T roubleshooting Color bars on v ideo screen The Osprey 240e/4 50e AV Stream driver has a built-in color bar generat o r. If color bars app ear in your video preview wind ow, video is not present on the selected vid eo input (Figure 80 ).
Appendix C: Troubleshoo ting 94 ViewCast Poor video quality at l arge frame sizes Large frame sizes with the deep pixel depth (24- or 32- bit), or complex f o rmat (Y VU9 or YUV12 planar), impose heavy de m ands on the PCI bus’ data tran sfer capacity.
Osprey 240e/450e Use r Guide ViewCast 95 previous Vide o for Windows driver, but if you have multiple Ospre y cards installe d you do have the option of runnin g the Video for Wind ows driver on some cards and th e AVStrea m driver on others . Unfortunately the Recording Contr o l does not work s m oothly in this situation .
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Osprey 240e/450e Use r Guide ViewCast 97 Index 16:9 Wide, 28 2-Frame Algorith m , 39 3-Frame Algori thm, 39 525-Line (NTSC) V ertical Format, 31 A Accessing the Ospr ey Confi g Utility, 7 ActiveMovie .
Appendix C: Troubleshoo ting 98 ViewCast F File and Color, 56 filtergraph, 72 filters, 13 Filters tab, 32 filters, pins, and pr operties, 67 G Granularity contr ols, 62 H Horizontal Delay, 28 Horizont.
Osprey 240e/450e Use r Guide ViewCast 99 R Recalc button, 6 4 Recording Control, 8 1 Reference Size f or Crop and Log o Placement, 30 RefSize tab, 26 Render Logical Whi te As, 52 Render NTSC Clos ed C.
© 20 12 ViewCast Corporation. ViewCast ® , Niagara ® (and design) TM are registered trademarks of ViewCast Corporation or its subsidiaries. All other trademarks are the property of t heir respective owners. Product specifications and availabili ty may change without notice.
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 ViewCast 450E 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 ViewCast 450E - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ViewCast 450E imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ViewCast 450E ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ViewCast 450E, 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 ViewCast 450E.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ViewCast 450E. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ViewCast 450E 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.
