Manuale d’uso / di manutenzione del prodotto Multichannel Audio Tool DP570 del fabbricante Dolby Laboratories
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Dolby DP570 Multichannel Audio Tool User’s Manual Issue 4 Part Number 91753 ®.
ii Dolb y ® DP570 Multichannel Audio T ool User’ s Manual Dolby Laboratories, Inc. Corporate Headquarters Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, CA 94103 ‐ 4813 USA Telephone 415 ‐ 558 ‐ 0200 Fax 415 ‐ 863 ‐ 1373 www .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual iii Regulatory Notices FCC NOTE: This equipment has been tested and found to comply with the limits for a Class A digital devi ce, pursuant to Par t 15 of the FCC Rules.
iv Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15. CAUTION: T roubleshooting must be performed by a trained technician.
Dolby ® DP570 Multichannel Audio T ool User’ s Manual v IMPORTANT SAFETY NOTICE This unit complies with safety standard EN60065 as appropriate.
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Dolby ® DP570 Multichannel Au dio Tool User’s Manual vii Table of Contents List of Figures .................. ............. ............. ................ ............. ............. ................ ............. ............ ....... xiii List of Tables .
viii Dolby ® DP570 Multichannel Au dio Tool User’s Manual Table of Contents 3.4.1 Reading the Default Status Display ... ....... ................ ............. ............. ................ ... 14 3.4.2 Viewing Status Screens .. ... ............. .
Table of Contents Dolby ® DP570 Multichannel Au dio Tool User’s Manual ix 5.2.1 Setting the Dialogue Level ........ ................ ............. ................ ............. ................ ...42 5.2.2 Monitoring the Dialogue Level ...........
x Dolby ® DP570 Multichannel Au dio Tool User’s Manual Table of Contents A.3.2 Setting the Master Trim ............. ............. ................ ................ ............. ................ ... 65 A.3.3 Setting the Master Volume ........ ....
Table of Contents Dolby ® DP570 Multichannel Au dio Tool User’s Manual xi D.7 Extended Bitstream Information Parameters ....... ............. ............. ................ ............. ...... 99 D.7.1 Pref erred Stereo Downmix Mode ... ....... ..
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Dolby ® DP570 Multichannel Au dio Tool User’s Manual xiii List of Figures Figure 1-1 DP570 Functional Blo ck Diagram ..... ............. ... .... ... ... ............. ... ... .... ... ............. ... ... ... .... .... ... 3 Figure 2-1 Monitor Configuration Tab .
xiv Dolby ® DP570 Multichannel Au dio Tool User’s Manual List of Figures Figure C-6 User Presets Submenu . ... ............. ............. ................ ............. ............. ................ ......... ...... 77 Figure C-7 I/O Control Submenu .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual xv List of Tables Table 3-1 Front-Panel Navigation Buttons .................. ... ... .... ... ... ............. ... ... .... ... ... ... .... ... ............. .. . ... 12 Table 3-2 Shifted Key Functions .
xvi Dolby ® DP570 Multichannel Audio T ool User’ s Manual List of Tables Table D-25 Lo/Ro Surround Downmix Level Settings .......................... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... . 1 01 Table D-26 Surround EX Mode Settings .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 1 Chapter 1 Ov er vie w The Dolby ® DP570 provides unprecedented control and refere nce monitoring for .
2 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview level, Pro Logic decoding, and the other functions controlled by metadata and experienced by consumers.
Principles of Operation Dolby ® DP570 Multichannel Audio T ool User’ s Manual 3 Figure 1 ‐ 1 Figure 1-1 DP570 Functional Block Diagram Emulator (DRC, dialnorm, downmix, P/L decode) Router AES Rcvr x4 AES Xmit x4 D/A x8 Trims x8 Output Bal.
4 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Overview The Cat. No. 548 Analog Output Ca rd provides an anal og monitor section and some additional features to ease interfacing to existing mixing and monitoring environments.
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 5 Chapter 2 Getting Star ted This chapter describes the actions necessary to begin using the DP570 in a basic configuration.
6 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.3.1 V enting Dolby ® professional audio products are designe d to operate within a temperature range of 5°C to 45°C.
Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 7 For a discussion of the connector types used for the V Ref connection on the DP570, see Appendix B .
8 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.4.3 Hardware Connection To connect the DP570 to its remote control device, use a .
Installing the Remote Softwar e Dolby ® DP570 Multichannel Audio T ool User’ s Manual 9 2.4.6 St arting the Remote Software To start the rem ote software: 1. Double ‐ click the program icon. 2. Review the communication settings, and modify them if necessary .
10 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Getting Star ted 2.5 Selecting a Program Configuration The first st ep in monitoring is to select a program configuration that reflects the number of channels within the program(s) you will monitor .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 11 Chapter 3 Contr o lling the DP570 As shown in Figure 3 ‐ 1 , you can control the DP570 in three .
12 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure 3 ‐ 2 Figure 3-2 Front-Panel Buttons 3.1.1 Main and Shif ted Fun ctions of the Buttons Most of the buttons hav e tw o functions: a main function and a shifted function.
Menu Structures Dolby ® DP570 Multichannel Audio T ool User’ s Manual 13 3.1.5 Using the Program/Preset Buttons Under normal conditions, when the Preset button is no.
14 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.4.1 Reading the Default St atus Display The default display when the unit pow ers up is the top screen of the status menu shown in Figure 3 ‐ 3 .
Monitor ing Status Using the F ront P anel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 15 Basic St atus Indicators The indicators shown in Figure 3 ‐ 4 display the basic status information listed in Ta b l e 3 ‐ 3 .
16 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Figure 3 ‐ 6 Figure 3-5 Channel Activity LED Indicators Channel Activity LED indicator meanings are detailed in Ta b l e 3 ‐ 4 .
Using the Setup Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 17 3.5.2 Entering T ext In certain situations you will be prompted to enter text. In the text entry window , the firs t line prompts you to ent er text.
18 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 3.6 Using the GPI/O Connector Yo u can use this port to connect the DP570 to your studio console or existing control equipment.
Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 19 be edge ‐ trig gered. The Act ive S tate column indicates the DP570 state .
20 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Controlling the DP570 Ta b l e 3 ‐ 8 lists the pins av ailable for GPO and GPI functions. GPO Setup Output pins 4 and 7–19 in Figure 3 ‐ 7 and Ta b l e 3 ‐ 8 are user ‐ defined.
Using the GPI/O Conn ector Dolby ® DP570 Multichannel Audio T ool User’ s Manual 21 Edge ‐ triggered signals are either positive or negativ e. Lev el ‐ triggered signals are either high or low .
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Dolby ® DP570 Multichannel Audio T ool User’ s Manual 23 Chapter 4 Using the DP570 F eatures This chapter covers each distinct feature of the DP570 in detail.
24 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.1 Choosing the Source of Met adat a Normally you will use an entire metadata stream from one source, but that is not required.
Gener ating and Adjusting Metadata Dolby ® DP570 Multichannel Audio T ool User’ s Manual 25 Yo u can manu ally modify most of these va l u e s on the metadata tabs of the DolbyRemote 570 application shown in Figure 4 ‐ 1 .
26 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.3.3 Using External Met adat a When using external metadata, make certain that the val u e s are correct for the program.
T roubleshooting Metada ta Problems Dolby ® DP570 Multichannel Audio T ool User’ s Manual 27 4.4 T roubleshooting Met adat a Problems The DP570 has several status indicators to help troubleshoot metadata ‐ related problems.
28 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.7 Measuri ng and Setting the Dialogue Le vel The dialogue level parameter, also known as dialogue normalization or dialnorm , is a vital element in audio content creation.
Measuring and Setting the Dialogue Le vel Dolby ® DP570 Multichannel Audio T ool User’ s Manual 29 va l u e within Dolby E and Dolby Digital bitstreams.
30 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Figure 4 ‐ 6 Figure 4-5 Short-term Measurements Since the short ‐ term measuremen t co.
Setting Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 31 Figure 4 ‐ 7 To measure di alogue lev el using the remote softw are, use the controls shown in Fig ure 4 ‐ 4 for these steps: 1.
32 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es and Speech . Each profile is a set of compression parame ters such as ratio, attack, and release. For detailed information, see Secti on D.
User Presets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 33 Figure 4 ‐ 9 Figure 4-7 User Preset Window 4.10.1 Authoring-Only Preset s Saving an authoring ‐ only pr.
34 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es Example Yo u set the emulator to Full (no downmix) with no compression (the def ault for the Custom selection).
Channel Mapping and Input Routing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 35 Figure 4 ‐ 10 The DP570 input rout er enables you to reroute input channels to conform to the automatically assigned channel mapping.
36 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.13 Using an External Shaf t En coder to Control Master V olume The master vol um e function is available on DP570s that hav e the Cat.
Stic ky Settings Dolby ® DP570 Multichannel Audio T ool User’ s Manual 37 Unity Gain mode is enabled by default. To turn Unity Gain mode off: 1. Click Setup in the Main window to open the Setup window .
38 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 Featur es 4.20 Master T rim and Master Volume The Master Tr i m slider , Figure 4 ‐ 10 , allows yo.
Dolby Pr o Logic I I Suppor t Dolby ® DP570 Multichannel Audio T ool User’ s Manual 39 Matrix is primarily for radio rece ption in cars.
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Dolby ® DP570 Multichannel Audio T ool User’ s Manual 41 Chapter 5 Using the DP570 in DVD Master ing During the DVD mastering process, it is important to experie.
42 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.2 T ypical T asks The DP570 is used in the monit or chain to emulate a consumer ʹ s listening environme nt.
Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 43 Once a Dialogue Lev el val ue has been selected, either short ‐ term or infinite measurements can be used depending on you r preference.
44 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in DV D M a s t e r i n g 5.4 Most Import ant Met adat a The following hig hest ‐ priority parameters have the greatest impact on your wo rk .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 45 Chapter 6 Using the DP570 in Liv e Remote Br oadcast In preparation for and during a live remote broadcast, .
46 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast Figure 6 ‐ 1 Figure 6-1 T y pical Live Remote Transmission Setup 6.
Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 47 Figure 6 ‐ 2 Figure 6-2 T ypical Downmix Parameters Further , you can assess whether the.
48 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Li ve Remote Broadcast 6.2.2 Monitoring the Dialogue Level As you wo r k, check the dialogue lev el indicators—the yell o w numbers shown in Figure 6 ‐ 3 —frequently .
Impor tance of Pr esets Dolby ® DP570 Multichannel Audio T ool User’ s Manual 49 •L t / R t surround downmix lev el •L o / R o Center downmix level •L o / R o surround mix lev el 6.
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Dolby ® DP570 Multichannel Audio T ool User’ s Manual 51 Chapter 7 Using the DP570 in Postpr oduction The DP570 can be used in a var i e t y of postproduction settings. We discuss one example.
52 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.2 T ypical T asks The DP570 is used in the monit or chain to emulate the consumer ʹ s listening environment.
Using the DP570 with Other Dolb y Equipment Dolby ® DP570 Multichannel Audio T ool User’ s Manual 53 7.2.3 Monitoring Downmixes Once a Dialogue Leve l va l u e has been .
54 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Postpr oduction 7.4 Most Import ant Met adat a The following hig hest ‐ priority parameters have the greatest impact on your wo rk .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 55 Chapter 8 Using the DP570 in Master Contr ol Dolby ® E encoding is commonly used to distribute multichannel.
56 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control Figure 8 ‐ 1 Figure 8 ‐ 2 Figure 8-1 T ypical Master Control Setup 8.
Ty p i c a l Ta s k s Dolby ® DP570 Multichannel Audio T ool User’ s Manual 57 Figure 8 ‐ 3 Figure 8-2 T y pi cal Downmix Options Or , if a viewer complains about the audio quality on a mono televi sion when viewing a 5.
58 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Using the DP570 in Master Control 8.3 Using Unity Gain Mode Unity Gain mode should be off to best emulate a consumer ʹ s listening experience.
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 59 Appendix A Configur ing a Monitor System Configuring the monitor sys tem to establish a balance between .
60 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Figure A ‐ 2 Figure A-2 Monitor Setup T ab A.1.2 Selecting Analog Outp ut s The sys tem automati cally detects the presence of the Cat No.
Assign ing Monito r System Co nfigurat ion Settin gs Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 61 •I f no subwoofer is av ailable, redirect the LFE channel to the Left and Right channel decoder outputs.
62 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.1.4 Choosing Back Surround Speakers The setting records the number of back surround speakers you ha ve in you r monitoring system.
Setting Delay Values Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 63 3. Click Enabled to turn Panorama on. It is disabled by default.
64 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System Surround Delay C minus S (C – S), the shorter of the two surr ound speaker distances, equals the surround delay setting in ms.
Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 65 Figure A ‐ 7 Figure A-7 Digital Reference Level A.3.2 Setting the Master T rim Set the Mast er Tr i m shown in Figure 4 ‐ 10 to 0 .
66 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.5 Generating T est Noise The DP570 generates two ki nds of test noise: pink and filtered. Pink noise exerts an equal sound pressure level across the entire spectrum.
Calibrating Speaker Playback Levels Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 67 Figure A ‐ 8 Figure A-8 Multichannel Trims Controls When you have set trim .
68 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Configuring a Monitor System A.3.10 Calibrating Emulator Output If you r DP570 does not include the Cat.
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 69 Appendix B Connector Specifications This appendix gives specifications and pinouts for all the connectors used on the DP570, and the cables that can be used to connect to it.
70 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.4 Video Ref The Vi de o Re f connections are BNC unbalanced female connectors that rece ive NTSC composite programs or color black video.
Rear-Panel Remote Dolb y ® DP570 Multichannel Audio T ool User’ s Manual 71 B.8 Rear-Panel Remote This is a 9 ‐ pin female RS ‐ 485 D ‐ connector . The pinout is SMPTE 207M electrical/mechanical specification compat ible.
72 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Connector Specifications B.1 1 Stereo/Mono/Solo Analog Output This is a 25 ‐ pin female D ‐ connector .
Dolby ® DP570 Multichannel Audio T ool User’ s Manual 73 Appendix C Fr ont-P anel Menus This appendix illustrates the unit front ‐ panel menus as trees. The Setup men u begins on this page.
74 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.3 Met adat a Params Submenu Figure C ‐ 2 Figure C-2 Metadata Parameters Submenu.
Measure Contr ol Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 75 C.4 Measure Control Submenu Figure C ‐ 3 Figure C-3 Measure Control Submen u Measure Control Set Dialogue.
76 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.5 Monitor Control Submenu Figure C ‐ 4 Figure C-4 Monitor Control Submenu C.
User Preset s Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 77 C.6 User Preset s Submenu Figure C ‐ 6 Figure C-6 User Presets Submenu C.
78 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.7.1 Router Config Submenu Figure C ‐ 8 Figure C-8 Router Config Submenu C.
Monitor Conf ig Submenu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 79 C.8 Monitor Config Submenu Figure C ‐ 10 Figure C-10 Monitor Config Menu C.
80 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Fr ont-P anel Menus C.8.2 Speaker T rims Submenu Figure C ‐ 12 Figure C-12 S peake r T rims Submenu Spe a ke r T r ims Master Tr i.
Status Menu Dolby ® DP570 Multichannel Audio T ool User’ s Manual 81 C.9 S t atus Menu Figure C ‐ 13 Figure C-13 S tatus Menu Metadata Par ams En te r t o Vi e w 5 .
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Dolby ® DP570 Multichannel Audio T ool User’ s Manual 83 Appendix D A Guide to Dolb y Metadata Metadata provides unprecedented capability for content producers to deliver the highest quality audio to consumers in a range of listening environments.
84 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Dolby E is a professional technology us ed for broadcast applications, suc.
Metadata Overview Dolby ® DP570 Multichannel Audio T ool User’ s Manual 85 There are two functional classifications of metadata: Professional—These parameters are carried only in the Dolby E bits tream.
86 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Special Parame ters There are professional parameters in the Dolby E bitstream that are not under direct user control, such as Timecode and Pitch Shift.
Dynamic Range Control Dolby ® DP570 Multichannel Audio T ool User’ s Manual 87 Dolby Digital consumer decode rs normalize the av erage output lev el—that is , .
88 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata The Dolby Digital stream carries metad ata for the tw o possible operating modes in the decoder .
Dynamic Range Contr ol Pr ofiles Dolby ® DP570 Multichannel Audio T ool User’ s Manual 89 In some situations it may be nec essary to further constrain signal peaks abov e the av erage dialogue level so that there is less than 20 dB headroom.
90 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata • Speech Max Boost: 15 dB (below –50 dB) Boost Range: –50 to –31 .
Downmixing Dolby ® DP570 Multichannel Audio T ool User’ s Manual 91 Set ‐ top boxes, used to receiv e terre strial, cable, or satell ite digital television.
92 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata There are separate metadata pa rameters that govern the Lo/Ro and Lt/Rt downmixes.
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 93 each program contains its own metadata. The default setting is 5.1+2. Ta b l e D ‐ 3 shows all the av ailable configurations.
94 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Figure D ‐ 3 LFE Channel The status of the LFE Channel parameter indicates to a Dolby Digital encoder whether an LFE channel is present within the bitstream.
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 95 Line Mode Compression Prof ile and RF Mode Compression Profile For details of the av ailable profiles, see Section D.
96 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Center Downmix Level When the encoded audio has thr ee front channels (L, C, .
P arameter Definitions Dolby ® DP570 Multichannel Audio T ool User’ s Manual 97 Audio Production Information This parameter indicates whether the mixing lev el and room type val u e s are va l i d .
98 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata Original Bit stream This parameter indicates whether the encoded Dolby Digital bitstream is the master ver s io n or a copy .
Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 99 frequencies above 12 0 Hz that wo u ld cause aliasing when decoded.
100 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata AT S C document A/52. The revised definitions allow more information to be carri ed about the audio program and also allow more choic es for stereo downmixing.
Extended Bitstream Information Par ameters Dolby ® DP570 Multichannel Audio T ool User’ s Manual 101 D.7.3 Lt/Rt Surround Downmix Level This parameter indicates the level shift applied to the surround channels when downmixing to an Lt/Rt output.
102 Dolby ® DP570 Multichannel Audio T ool User’ s Manual A Guide to Dolby Metadata D.7.6 Surround EX Mode This parameter is used to identify the encoded audio as material encoded in Surround EX TM .
Metadata Combinations Dolby ® DP570 Multichannel Audio T ool User’ s Manual 103 Center Dwnmix Lev –0.707 dB (–3 dB) N/A N/A –0.707 dB (–3 dB) –0.707 dB (–3 dB) Srnd Dwnmix Lev –0.707 dB (–3 dB) N/A N/A –0.
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Dolby ® DP570 Multichannel Audio T ool User’ s Manual 105 A/D Converter Type ................. .............. ............... 102 Analog Output Master Volume ......... .............. ...... 17 Applications Digital Television .
106 Dolby ® DP570 Multichannel Audio T ool User’ s Manual Index LFE Channel .................... .............. .............. .............. 94 LFE Lowpass Filter ............. .............. ................. ...... 98 Live Remote Broadcast .
Index Dolby ® DP570 Multichannel Audio T ool User’ s Manual 107 RF Overmodulation Protection ...................... ........ 95 Room Type ............. .............. .............. ............... ........ 97 Safety ...................
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 Dolby Laboratories Multichannel Audio Tool DP570 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 Dolby Laboratories Multichannel Audio Tool DP570 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Dolby Laboratories Multichannel Audio Tool DP570 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Dolby Laboratories Multichannel Audio Tool DP570 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Dolby Laboratories Multichannel Audio Tool DP570, 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 Dolby Laboratories Multichannel Audio Tool DP570.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Dolby Laboratories Multichannel Audio Tool DP570. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Dolby Laboratories Multichannel Audio Tool DP570 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.
