Manuale d’uso / di manutenzione del prodotto C2N-DAP8RC del fabbricante Crestron electronic
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Crestron C2N-DAP8RC Digital Audio Processor With Room Control Operations Guide.
This document was prepared and written by th e Technical Docum entation department at: Crestron Electronics, Inc. 15 Volvo Drive Rockleigh, NJ 07647 1-888-CRESTRON Manufactured under license from Dolby Laborator ies. “Dol by”, “Pr o Logic”, “Pro Logic II”, “Dolby Digital”, “Dolby Digital 5.
Crestron C2N-DAP8RC Digital Audio Process or with Room Control Operations Guide – DOC. 8187A Contents • i Contents Digital Audio Processor with Room Control: C2N-DAP8RC 1 Introduction................................................................
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Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 1 Digital Audio Processor with Room Control: .
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 2 • Digital Audio Processor with Roo m Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Functional Summary – Video I/O & Miscell.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 3 Movie Mode The Movie m ode is for use with VCRs, televi sion shows, a nd all programs encode d in Dolby Surround.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 4 • Digital Audio Processor with Roo m Control: C2N-DAP8RC Operations Guide - DOC. 8187 A DTS ES Discrete 6.1 With the DTS- ES Discrete 6. 1 format, all 6.1 channels , includin g the surrou nd back (SB) channel, are recorded independentl y using a digital discrete system .
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 5 Parametric Equalizer The parametric equaliz.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 6 • Digital Audio Processor with Roo m Control: C2N-DAP8RC Operations Guide - DOC. 8187 A C2N-DAP8RC Specifications (continued) SPECIFIC.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 7 C2N-DAP8RC Specifications (continued) SPECIFICATION DETAILS Humidity 10% to 90% RH (non-condensing) Dimensions Height: 3.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 8 • Digital Audio Processor with Roo m Control: C2N-DAP8RC Operations Guide - DOC. 8187 A For inform ation on audio and vide o wiring, refer to “Ha rdware Hookup” whic h begins on page 16.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 9 VIDEO IN These twelve RCA connectors ( 5 – 16 ) pro vide for video i nput (any combi nation of composite, S, or component, including HDTV), with built-in 75 Ohm terminatio n.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 10 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A (Chassis Ground) Use this chassis screw t o connect the au dio source(s) common ground(s) to th e C2N- DAP8RC.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 11 VIDEO INPUT COMP 1, 2, 3 (Potentiometers) These three potentiometers are used to adju st the respective video inpu t signal to compensate for signal losses due to lon g cable runs.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 12 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Wire Gauge Values RESISTANCE (R) WIRE GAUGE 4 16 6 18 10 20 15 22 13 Doubled CAT5 8.7 Tripled CAT5 NOTE: All network wiring m u st consist of two twisted-pairs.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 13 Method A (Cresnet address-settable ID) 1. Ensure that the C2 N-DAP8RC is the only device connecte d to the control system.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 14 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A “Set Net ID by TSID” Window 4. Click on the Search for Touch Settable Devices but ton. The system searches the network and lists all TS ID-enabled devices found.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 15 “Serial Numb er to TSID Conversion Tool ” Window 3. Enter the serial num b er or TS ID num ber as instructed; press the appropriate b utton to obtain the correspondin g number.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 16 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Ear Attachment for Rack Mounting 1. Using a Phillips screwdriver, remove and retain the three side screws closest to the fr ont panel.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 17 Typical Hookup Connections for C2N-DAP8RC Audio/Video Distribution The C2N-DAP 8RC provi des local input s and out puts for a udio and video.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 18 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Distribution of both Analog and Digital A udio from the Head End The C2N-DAP8RC also allows the user to choose digital audio as a vi deo source from the head end.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 19 Video Routi ng.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 20 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Typical Surround Sound C onfiguration.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 21 Recommended Audio/Video Input Configuratio.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 22 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Speaker Types Different speaker types have diffe rent sound reproducti on characterist ics, whic h affect their performance in a hom e theater environment.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 23 at or slightly above ear level, appr oximately six feet above the fini shed floor. • Place the subwoofer according to the owne rs manual suppli ed with the speaker.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 24 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A NOTE : The Philips Pronto model transmitter contains built-in RC5 commands for out-of-the-box use.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 25 “Transmitter Identification” Wi ndo w Showing Transmitter ID Map the Universal Remote Every button press on a transmitter is assigned a decimal Butto n ID.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 26 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Surround Sound System Setup After completing .
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 27 • Avia Guide to Hom e Theater, from Ovation Software (www.ovati onsw.com ) OR Video Essent ials, from DVD Intern ational (www.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 28 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A 10. Refer to “Parametric Equ alizers” on page 39 adjust the fr equency response interaction within the room fo r each speaker in the system.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 29 This screen lets you select any availa ble.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 30 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A The Mute button on the lower right of all scr.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 31 Dolby Noise: Dolby Noise is Dolby Laboratories version of noise intended for calibrating a room that uses only Dolby’s Surround formats for its listening modes.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 32 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Set up for communications as follo ws: 1. Initially, th e Pass To check box is not selected indicating a direct connection from your PC to the C2N-DAP8RC.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 33 “Port Settings” Window Speaker Sizes / Bass Management This screen lets you specify the room speaker arrangement, an d set the cross over frequency for the subwoofer.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 34 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A subwoofer (if prese nt).
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 35 During room calibration, this screen lets you set the master vo lume (e.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 36 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Selecting the button to the right of the Inpu.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 37 Output Settings Select the Output Settings tab to specify the relative gain for each speaker in the room for each decoding m ode.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 38 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Dimension This control allows the user to gradually adjust the so undfield either towards the front or the rear.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 39 In either case, the filter freque ncies are fi xed, and the gain for each frequency is adjustable f rom 5 dB t o –10 dB.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 40 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A The screen can also be set t o display two equalizers at t he same tim e. Select Options | Number of Equaliz ers and click on 1 or 2 as desired.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 41 Example Program The Example Program for the C2N-DAP8RC dem onstrates the various fe atures of the unit.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 42 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A The MUTE button and the up an d down arr ows at the lo wer right c ontrol the s ound being supplied to th e available speakers ind icated by the LEDs in the upper right corner.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 43 Click on the appropriate bu ttons to identify the existing sp eaker arrangement. Note that the front and the surround s p eakers ar e treated as pairs.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 44 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Equalization Select the EQ’s button to display th e EQUALIZATION window used to sp ecify the various filter settings for eac h speaker in the system.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 45 a preset button (1 through 5), make adjustments, a nd press SAVE to store the settings. To recall a preset, select the preset button; the stored settings are applied.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 46 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Video Switchi ng Window Selecting Sources After perfo r ming all the system setup procedures, press RE TURN to disp lay the default main screen.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 47 PANORAMA. The purpose of these contr ols, unique t o the Dolby Prologic II Music mode, is desc ribed in “ Dolby Pro Logic II” beginning on page 2.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 48 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A PRO2 System View The System Views lower pane displays the PRO2 system tree (refer to figure below).
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 49 Setting the Net ID in Device Settings Double-clic k the C2N -DAP8RC icon to ope n the “Device Settings” window.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 50 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A IR Device Symbol Slot 02: IR Receiver This symbol is only use d in systems cont aining an accepta ble third party transmitter (Pronto/RC5/Universal IR Remote).
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 51 The C2N-DAP 8RC provides one C AT5 vide o .
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 52 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Video Switch Symbol Input Desc riptions (in D.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 53 Built-in RS-232 Symbol Output Descriptions OUTPUT(S) FUNCTION(S) [rx$] More advanced signal processing can be done thro ugh serial strings and the rx$ output line on the symbol.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 54 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A For example, to route the CAT5 aud io input to output B , use an Analog Initialize symbol to set the value of < DSP/OutB_Src > to 1.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 55 Uploading and Upgrading Assuming a PC is p.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 56 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Typical Connect ion Diagram when Uploading 1.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 57 “Port Settings” Window NOTE: The parameters shown in the illustration above are the port settings for a PRO2 control system.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 58 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A File Transfer | Sen d Program Comm and 3. The “Send Program” window appear s, as shown after this step.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 59 Firmware Upgrade A firmware upgrade file has the extension .upg To take advantage of all the C2N-DAP8RC features, it is important that th e unit contains the latest firmware available.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 60 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A NOTE: If problems arise when trans fer ring any Cres net file (touchpanel project/firmware), lower the po rt speed baud rat e to 38400 t o match the Cresnet bus speed.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 61 C2N-DAP8RC Troubleshooting (continued) TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTIO N Improper Net ID.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 62 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Further Inquiries If, after reviewing this Op.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 63 Appendix: Advanced Programming Symbols The.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 64 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A C2N- DAP8RC Surround Sound Dec oder - Digital.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 65 C2N- DAP8RC Surround Sound Dec oder - Anal.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 66 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Surround Sound Dec oder Digital Inputs and Output s SIGNAL TYPE (I/O) FUNCTION Master_Mute I Mutes all surround sound audio for as long as the input is high.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 67 Surround Sound Dec oder Digital Inputs and Output s (continued) SIGNAL TYPE (I/O) FUNCTION Freeze I The auto -detect mode will be suspended for as long as the Freeze input is high.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 68 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Surround Sou nd Decoder A nalog Input and Out put Signals (continued) SIGNAL TYPE (I/O) FUNCTION Volume Volume_FB I O Sets the master volume for all digital output channels.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 69 Surround Sou nd Decoder A nalog Input and .
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 70 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Slot 09, Sub-Slot 1 Speaker Settings Symbol The C2N-DAP8RC Speaker S ettings module is built into slot 09 of the C2N- DAP8RC surr ound sound processor.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 71 C2N- DAP8RC Full Parametric EQ Controls Mo.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 72 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A Parametric Equalizer Control Signals (continu.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 73 Slot 09, Sub-Slot 3, Gra phic EQ Controls Symbol The Graphic E Q Controls symbol al lows you to define t he characteristics of the graphic equalizer filters and presets.
Digital Audio Processor with Room Control Crestron C2N-DAP8RC 74 • Digital Audio Processor w ith Room Control: C2N-DAP8RC Operations Guide - DOC. 8187 A On the rising edge of < Store_EQ >, the six trim band values will be stored in the preset specified by < Preset# >.
Crestron C2N-DAP8RC Digital Audio Proce ssor with Room Control Operations Guide – DOC. 8187A Digital Audio Processor w ith Room Control: C2N-D AP8RC • 75 Return and Warranty Policies Merchandise Returns / Repair Service 1. No merchandise may be retur ned for cr edit, exchange, or se rvice without prior authorization from CRESTRON.
Crestron Electronics, Inc. Operations Guide – DOC. 8187A 15 Volvo Drive, Rockleigh, NJ 07647 05.04 Tel: 888.CRESTRON Fax: 201.767.7576 Specifications subject to www.
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 Crestron electronic C2N-DAP8RC 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 Crestron electronic C2N-DAP8RC - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Crestron electronic C2N-DAP8RC imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Crestron electronic C2N-DAP8RC ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Crestron electronic C2N-DAP8RC, 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 Crestron electronic C2N-DAP8RC.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Crestron electronic C2N-DAP8RC. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Crestron electronic C2N-DAP8RC 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.
