Manuale d’uso / di manutenzione del prodotto PT-D9510U del fabbricante Panasonic
Vai alla pagina of 100
PROJECTOR P O W E R S Y S T E M S E L E C T O R S T D RGB INPUT1 INPUT2 INPUT3 BRIG HT CONTRAST LE N S – + P C - M U T E O N S C R E E N NEXT ID S E LE C T ID ALL 1 2 3 4 5 6 7 8 9 0 M E N U E N T E R DLP™ based Projector Commercial Use Models No.
Dear Panasonic Customer: This instruction booklet provides all the necessary operating information that you might require. We hope it will help you to get the most performance out of your new product, and that you will be pleased with your Panasonic DLP TM based projector.
3 Product Outline This is a high-luminance DLP TM based projector which is powered by a single-phase, 3-wire type 200 V – 240 V power supply. It utilizes three RGB DMD TM chips and a high-output xenon lamp.
Features 4 By attaching different projection lenses (sold separately) that match the requirements of the setting-up location, images of any size between 100 inches (2.5 m) and 600 inches (15 m) with an aspect ratio of 4:3(PT-D9510U), 5:4(PT-D9610U) can be projected, depending on the projection distance.
5 IMPORT ANT SAFETY NOTICE WARNING: To prevent damage which may result in fire or shock hazard, do not expose this appliance to rain or moisture. Power Supply: This DLP TM based Projector is designed to operate on 200 V — 240 V, 50 Hz / 60 Hz AC only.
Precautions with regard to safety 6 Read these operating instructions thoroughly and check all necessary safety precautions when setting up the projector in order to avoid accidents. W ARNING Setting-up Installation should only be carried out by a qualified technician.
7 When using the projector Do not look into the lens while the projector is being used. • Strong light is emitted from the projector‘s lens. If you look directly into this light, it can hurt and damage your eyes. Do not place the projector on top of surfaces which are sloped or unstable.
8 Precautions on handling CAUTION Setting-up The following points should always be observed when setting up this projector. A dedicated power supply must be used. • Ask the place of purchase to carry out any electrical work which may be required to provide a 14 A, 200 V - 240 V AC (single phase) power supply for the projector alone to use.
9 Notes on use In order to get the best picture quality • If outside light or light from indoor lamps is shining onto the screen, the images projected will not have good contrast.
10 Name and function of each part 〈 Projector 〉 POWER button This button is used to turn the projector power supply on and off. •This button is enabled while the MAIN POWER switch is ON.
11 Name and function of each remote control part 〈 Remote control unit 〉 STD (standard) button This button is used to reset all of the projector adjustment values (BRIGHT, CONTRAST, COLOR, TINT and SHARPNESS) to the default levels which were set at the time of shipment from the factory.
12 Name and function of each remote control part (continued) 〈 Remote control unit 〉 Transmitter This emits the infrared signals which are used to control the projector when the remote control unit is being used as a wireless unit.
13 Before using the remote control unit Inserting the batteries • Insert the AA batteries supplied with the remote control unit, making sure that the polarities are correct. • The batteries also need to be inserted when the remote control unit is connected to the projector using the remote control cable.
14 P R O JE C T O R B R IG H T C O N TR AS T POWER INPUT 1 INPUT 2 STD R G B LENS 1 2 3 4 5 6 7 8 0 9 NEXT PIC MUTE ID-SELECT O N S C R E E N ID-ALL >PS< S YS TE R SELECTOR.
15 T urning the power ON and OFF Always be sure to follow the procedure given below to turn the projector power on and off. 〈 T urning the power on 〉〈 T urning the power off 〉 • The projector will continue to draw approximately 13 W of power when it is in standby mode, even after the cooling fan has stopped.
16 The figure below shows on-screen displays for any desired setting, starting with the MAIN MENU, and ending with its sub-menu. Normal screen LENS LENS FOCUS : ＋− LENS SHIFT : EXIT : MENU POSITIO.
17 The projection lenses and input modules which are available for use with this projector need to be purchased separately and must be installed to the projector before the projector can be used. • Obtain the required projection lenses and input modules beforehand in accordance with the projection distance and the system used.
18 Setting up the projector Installing to the floor (Including the direct rear-mounting) 1. Installing drawing of the screen and the projector (unit : mm / inches) L : Projection distance between the screen and the center of the front foot of the projector.
Installing to the ceiling (Including direct rear-projection) 19 • Using the projector by installing to the ceiling requires an optional ceiling mount bracket (ET-PKD95). For the projection distance (L), refer to the chapter "Projection distance for each projection lens (sold separately)" on pages 20 - 24.
20 Projection distance for each projection lens (sold separately) L SH Screen The required projection distance depends on not only the target picture size but also the type of an optional projection lens.
21 2 540 (100") 3 048 (120") 3 810 (150") 4 572 (180") 5 080 (200") 6 350 (250") 7 620 (300") 8 890 (350") 10 160 (400") 11 430 (450") 12 700 (500&quo.
22 Projection distance measurements for PT -D9610U(screen aspect ratio: 16:9) unit: mm (feet/inches) NOTE: • The projection distance listed in the table may have a variation within ± 5 %. • Keystone (trapezoidal distortion) is compensated to be smaller than the screen size.
23 Calculation of the projection distance for each projection lens (for PT -D9610U) If there is no reference made to the require picture size, calculate the projection distance using an expression below after obtaining the diagonal measurement (inch) of the screen you will use.
24 Adjusting projector feet [ Side view ] [ Front view ] Adjustable feet The four feet on the bottom of the projector are adjustable for the height ( 0 mm / 0" to 25 mm / 1") and can be used for its adjustment when the installation position is not level.
25 Setting the projection method The projection method can be set in accordance with the way the projector has been installed. If the projected picture is upside-down or back-to-front, change the projection method while referring to illustrations A to D below.
26 Adjusting the lens Adjusting the focus Adjustment procedure Press the LENS button. ... The LENS screen will be displayed. Use the control level buttons ( + and − ) to adjust the focus to the correct setting. • Initial pressing of these buttons will allow fine adjustment.
27 Adjustment range after lens positioning is as follows: ※ The numbers in brackets are the dimensions when the ET-D95LE9 lens is being used. Adjustment range after lens position (optical shift) (0.24H) 0.35H (0.24H) 0.35H (0.38V) 0.5V (0.38V) 0.5V (0.
28 Obtain the required input modules (sold separately) beforehand in accordance with the system input signal. • T ypes of input module (sold separately) • Input slot numbers • The signal sources.
29 Disconnect the power supply from the projector before installing any of the input modules. Installation procedure Remove the two screws which are holding the slot cover where the input module is to be installed, and then remove the slot cover.
30 Connecting the input module signal source When setting up the projector, you will need to connect the signal source to an input module according to the type of signal being input.
Connecting the input module signal source Connecting the signal source to the input module for analog RGB signals If using the input module for analog RGB signals in order to connect the projector to a personal computer, you will also need to use a separate interface (D-SUB / BNC) cable.
32 The table below lists the different types of analog RGB signals that can be input. If a signal which differs greatly from any of the types listed below is input, the picture image may not be displayed correctly, or black background may displayed. Display mode name Signal data No.
33 Connecting the signal source to the input module for video signals 1.Connecting a video signal source • Switching between LINE input and Y/C input is carried out by toggling the INPUT button.
34 Connecting the signal source to the input module for video signals 2.Connecting a component signal source • For details of composite and component signal switching, see ET-MD95VM2 (sold separately) signal switching on page 41.
35 Connecting the signal source to the input module for TMDS signals • This input module is for use with personal computers which are equipped with a TMDS output connector. • The connector is a MDR 26-pin connector. • The cable used should not be longer than 7 m / 22.
36 • Use an input module which correctly matches the input signal type. • The SYSTEM SELECTOR button can be used to toggle between different formats when using input modules that can handle two different signals with different specifications. The current signal format can be checked by looking at the on-screen display.
37 Connecting the signal source to the input module for serial digital signals SD signal SD signal output (Active through) Serial digital input module(sold separately) MAIN IN Professional-typ.
38 2. 1) 480p single link (4:2:0p): 59.94 Hz progressive scan with 720 by 483 active lines at 360 Mbps, complying with the SMPTE294M Standard 2) 480i (4:2:2): 59.
39 Connecting the signal source to the input module for serial digital signals HD SD signal SD signal output (Active through) Serial digital input module(sold separately) IN OUT Professional-type digital VCR ET-MD95SD3 (for HD SDI) 1080i/720p Module ET-MD95SD3 HD SERIAL • Use an input module which correctly matches the input signal type.
40 Selecting the input signal • The following remote control unit buttons and the INPUT button on the projector operating panel can be used to switch between different input sources. • The input source can be changed in the order INPUT 1 INPUT 2 INPUT 3 each time the INPUT button on the projector operating panel is pressed.
41 Selecting the signal of ET -MD95VM2(sold separately) When using the projector with the optional ET-MD95VM2 Video Input Module, select the appropriate video signal format that matches the video equipment you are using. Setting procedure Press the MENU button.
42 Registering input signal data Because the projector has no factory pre-set data of input signals, be sure to register input signal data before first use. • Up to 64 different input signals can be registered. • Input a signal according to an input module installed on the projector and register the signal data.
43 When the memory does not allow new signal registration because it is full • When a total of 64 signals has already been registered and the memory is full, inputting a n ew signal and pressing the MENU button on the remote control unit or the projector operating panel will display the overwriting registration screen below.
Sub-memory 44 This equipment has a sub memory function which enables storage of multiple image adjustment data sets, even when the signal is determined to be the same due to the frequency and form of the synchronization signal source. Use this when image adjustment (like aspect switching or white balance) is necessary due to the same signal source.
45 On-screen display Input switching/Signal switching This displays the stored signal name for the STATUS screen during signal switching. Stored signal details RGB INPUT No.：1 NAME : xxx60-A5-2 ID : ALL SIGNAL STATUS NAME：xxx60-A5-2 MEMORY-No. ：A5-2 S.
46 Using the RGB REALITY mode The RGB REALITY mode is a mode for converting RGB (primary color) input signals to component signals, performing high picture quality playback using image conversion processing specially for moving pictures.
47 Adjusting the picture automatically The automatic adjustment (AUTO SETUP) is a function to automatically adjust the resolution, clock phase, and picture position when inputting an analog RGB signal consisting of dots like a computer signal.
48 2. Special signal automatic adjustment Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the LEFT ( ) or RIGHT( ) arrow buttons once time. ... The AUTO SETUP MENU screen will be displayed. Press the LEFT ( ) and RIGHT( ) arrow to switch to desired MODE.
49 Signals which cannot be adjusted automatically should be adjusted manually. The following settings can be adjusted manually, and the respective adjustment procedures are given below. 1.Input signal resolution data 2.Clock phase 3.Picture position Adjustment procedure Press the MENU button.
50 If a flicker or bleeding of the contour appears on the screen, adjust the clock phase to obtain an optimum picture. Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION.
51 Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION. Press the ENTER button. ... The POSITION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select SHIFT.
52 Adjusting the blanking Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION. Press the ENTER button. ... The POSITION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select BLK.
53 • If the black portions of the picture are fractured or tinged with green, adjust the clamp position its optimum state. Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION.
54 • The KEYSTONE adjustment allows you to compensate for pictures ’ horizontal trapezoidal distortion. (Keystone adjustment can not carried out in built-in test pattern.) Adjustment procedure Press the MENU button. ... The MENU screen will be displayed.
55 Adjusting the picture to the desired setting The following procedures can be used to adjust the picture to the desire appearance. Adjustment procedure ... Adjusting the COLOR setting Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select PICTURE.
56 Adjusting the white balance (High / Low) Adjustment procedure (Project a signal to be adjusted) Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select PICTURE. Press the ENTER button. ...
57 NOTE Adjusting the picture quality The following procedures can be used to adjust the picture quality to the desired setting. Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select PICTURE.
58 • NR (noise reduction) settings cannot be adjusted for analog RGB input and TMDS input. • The FILTER adjustment is ineffective for XGA (1 024 x 768) mode on the PT-D9510U, or SXGA (1 280 x 1 024) mode on the PT-D9610U.
59 Adjusting the picture size Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION. Press the ENTER button. ... The POSITION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select SIZE.
60 Screen examples for different size settings (For PT -D9510U) INPUT PICTURE Default Through H-Fit V-Fit HV-Fit 8 ： 5 （ 640 × 400 ） 4 ： 3 （ 1152 × 864 ） 5 ： 4 （ 1280 × 1024 ） SIZE SETTING The picture is displayed at maximum size while maintaining the original aspect.
61 Screen examples for different size settings (For PT -D9610U) INPUT PICTURE Default Through H-Fit V-Fit HV-Fit 8 ： 5 （ 640 × 400 ） 4 ： 3 （ 1152 × 864 ） 5 ： 4 （ 1280 × 1024 ） SIZE SETTING The picture is displayed at maximum size while maintaining the original aspect.
62 Power up function The projector is provided with a power up function which allows the performance of the lamp to be utilized to the maximum level. Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select OPTION.
This equipment has 3 mode types for adjusting to the use environment. Switching procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select OPTION. Press the ENTER button. ... The OPTION screen will be displayed.
When receiving 480i with analog component signal YCbCr input, it is possible to switch Cb, Cr input. Switching procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select PICTURE. Press the ENTER button.
65 Displaying a test pattern 17 types of test pattern are built in. These test patterns can be used to check the various adjustment settings. Use the following procedure to display a test pattern. • These test patterns cannot reflect the adjustment results of various picture settings such as picture quality, positions, and sizes.
66 Displaying the projector settings Display procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select OPTION. Press the ENTER button. ... The OPTION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select SYSTEM INFORMATION.
67 Adjusting the edge blending Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select POSITION. Press the ENTER button. ... The POSITION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select EDGE BLENDING.
68 Adjusting the color matching The projector is equipped with color matching adjustment functions to adjust color balance when using several units in combination. Adjustment procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select PICTURE.
69 This projector is provided with an ID number function, so that if multiple projectors are being used together, the projectors can be controlled all at once or separately using a single remote control unit. Because the factory pre-setting of the ID number is ALL, using only one projector do not require this setting.
70 Setting remote control unit ID numbers When an ID number has been assigned for a projector, you then need to assign the same ID number as the projectors to be controlled to the remote control unit which is to be used to operate these projectors, otherwise the remote control unit cannot be used.
71 Using the RS-232C connectors The projector is equipped with a D-SUB 9-pin RS-232C input connector and RS-232C output connector which allow the projector to be controlled externally. These connectors conform to RS-232C specifications, and can be used by a computer which conforms to either RS-232 or RS-232C specifications.
72 Using the RS-232C connectors (continued) ID List ID Code specified ALL 00h 1 01h 2 02h 3 03h 4 04h 5 05h 6 06h 7 07h 8 08h 9 09h 10 0Ah 11 0Bh ID Code specified 12 0Ch 13 0Dh 14 0Eh 15 .
73 RS-232C settings Setting procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select OPTION. Press the ENTER button. ... The OPTION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select RS-232C SETTING.
74 Using the RS-232C connectors (continued) List of basic control commands CODE Target remote control buttons NAME 06h RGB 0Ah INPUT1 0Bh INPUT2 0Ch INPUT3 0Fh NEXT 10h 1 11h 2 12h 3 13h 4 14h 5 15h 6.
75 Selecting the RS-422 Serial Interface Refit the CPU module. Plug the projector into the wall outlet and set the front MAIN POWER switch to ON. Check that the LED to the left of the RS-232C-IN port is lit red. CM Remove the connector that connects CM5 to CM6, then use the same connector to connect CM6 to CM7.
76 Refit the CPU module. Plug the projector into the wall outlet and set the front MAIN POWER switch to ON. Check that the LED to the left of the RS-232C-OUT port is lit red.
77 Using the network module The network module for this unit has a LAN interface, so the unit can be controlled from the web browser of a PC. The network module has an automatic send function for e-mail. Mail can be sent to a previously set e-mail address when a problem occurs, or when the set value for the lamp usage time is attained.
78 Operating procedure Press the MENU button. ... The MENU screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select OPTION. Press the ENTER button. ... The OPTION screen will be displayed. Press the UP ( ) and DOWN ( ) arrow buttons to select NETWORK MODULE SETTING.
79 Item Function Description HOSTNAME DHCP IP ADDR NET MASK GATEWAY MAC ADDR Change if necessary when using a DHCP server etc. Turn the DHCP item ON when automatically obtaining IP addresses using a DHCP server. Turn it OFF when not using a DHCP server.
80 Accessing from a web browser Go to: 192.168.0.8 Start up the PC ’ s web browser. Input the IP address set on the unit in the URL input field of the web browser. Input user1 in the user name field, and input panasonic (lower case letters) in the password field.
81 T op page TOP-P anasonic projector control window - Netscape File Edit View Go Window Help Copyright (C) 2001 Matsushita Electric Industrial Co.
82 Network setting page Select ON to activate DHCP client function Input IP address when not using DHCP server Input port number. Normally, this is used with the default 80. Input net mask when not using DHCP server Input gate address when not using DHCP server Input projector name.
83 Status display page Displays input slot status Displays projector internal temperature Displays projector exhaust temperature Displays lamp illumination remaining time Displays projector operation time Displays self-diagnosis information Displays firmware version of projector main unit Displays projector type.
84 E-mail setting page • This enables automatic sending of mail to up to two mail addresses. When using the e-mail function, select Enable. Input the IP address of the e-mail server (SMTP). Data such as the set-up location of the projector can be input so it is easy to understand where the e-mail came from.
85 E-mail setting page (continue) When using two e-mail addresses, input the e-mail address to send mail to. After all input is finished, press the Submit button.
86 Firmware update page (Firmware updating should only be done by a person with specialized knowledge.) • When rewriting is finished, this message is displayed. After inputting the file name, press the upload button. Transfer will begin. It takes a few tens of seconds for transfer to occur.
87 • If too much dust accumulates on the air filter, the temperature inside the projector will rise and may cause the power to turn off. Clean the air filter approximately every 500 hours of use (varies with the environment in which the projector is used).
88 Notes on handling the lamp unit • The lamp unit is sold separately and consult a Panasonic authorized dealer or service center. Part No. : ET-LAD9610 Lamp unit replacement period The life span of this lamp unit is 1 500 hours maximum, after which it will need replacing (recommended replacement time is 1 000 hours).
89 Before asking for service, check the following points. Power does not turn on. No picture appears. Color is misaligned when special signals are input.
90 Specifications PT-D9510U PT-D9610U (PT-D9510U) (PT-D9610U) PT-D9510U PT-D9610U 200 V – 240 V AC (single-phase, 3-wire), 14 A (Max.) 2.2 kW Approx.
91 Accessories • Remote control unit • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 1 • AA-size batteries .
92 Sold separately Select from the range available in accordance with the setting-up location and system requirements. ※ ※ Refer to the ET-D95LE9 operating instructions when installing. NAME MODEL NO. Projection lenses Modules Other Zoom lens 1.5 – 2.
93 UNIT : mm (inch) Dimensions 960(37.8") 428(16.8") 680(26.8") 753(29.6") 604(23.8") 1051(41.4") 712(28") 169(6.7") 1 14(4.
94 NOTES IMPORT ANTES CONCERNANT LA S É CURIT É AVERTISSEMENT: Afin d ’é viter des dommages qui risquent de causer un incendie ou des chocs é lectriques, ne pas exposer cet appareil à la pluie ou à l ’ humidit é .
95 Pr é cautions concernant la s é curit é Lire attentivement ce mode d'emploi et respecter toutes les pr é cautions de s é curit é indiqu é es lors de l'installation du projecteur , afin d' é viter des accidents. A VERTISSEMENT Installation Confier l'installation du projecteur à un technicien qualifi é seulement.
96 Lors de l'utilisation du projecteur Ne pas regarder directement dans la lentille pendant que le projecteur fonctionne. • Une lumi è re intense est é mise par la lentille du projecteur. Si l'on regarde directement dans cette lumi è re, elle risquerait de blesser et d'ab î mer les yeux.
97 Pr é cautions à suivre lors de la manipulation PR É CAUTION Installation Toujours respecter les points suivants lors de l'installation du projecteur.
98 Remarques concernant l'utilisation Afin d'obtenir la meilleure qualit é possible d'image • Si la lumi è re du jour ou la lumi è re int é rieure é claire l' é cran, les images projet é es n'auront pas le contraste ad é quat.
99 Remplacement du module-lampe Remarques concernant la manipulation du module-lampe • Le module-lampe est vendu s é par é ment, adressez-vous à un d é taillant Panasonic agr éé ou à un centre de service Panasonic.
Panasonic Broadcast & Digital Systems Company Division of Matsushita Electric Corporation of America Executive Office: 3330 Cahuenga Blvd W., Los Angels, CA 90068 (323) 436-3500 EASTERN ZONE: One .
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 Panasonic PT-D9510U 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 Panasonic PT-D9510U - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Panasonic PT-D9510U imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Panasonic PT-D9510U ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Panasonic PT-D9510U, 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 Panasonic PT-D9510U.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Panasonic PT-D9510U. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Panasonic PT-D9510U 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.
