ThomsonメーカーTG789vnの使用説明書/サービス説明書
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Setup and User Guide THOMSON TG789vn Wireless-n Multi-Service V oIP Ethernet W AN & VDSL2 Gateway.
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THOMSON TG789vn Setup and User Guide.
Copyright Copyright ©1999-2010 THOMSON. All rights reserved. Distribution and copying of th is document, u se and commun ication of i ts contents is no t permitted without written aut horization from THOMSON.
E-DOC-CTC-20080 527-0012 v1. 0 i Contents About this Setup and User Guide .................... ......................... 1 1 Installation............................ ........................................................ 3 1.1 Before y ou start ....
E-DOC-CTC-2008 0527-0012 v1.0 ii Contents 4.3 Telephony Services ...... .......................... ............ ............. ........... .......... ......... 42 4.3.1 Services su pported by Your Se rvice Provider ........... ........... .............
E-DOC-CTC-20080 527-0012 v1. 0 iii Contents 9.4 Wireless Connection Trouble shooting .................. .......... ........... .......... ......... 83 9.5 Voice over IP Troubleshooting ................... ........... .......... ........... ...........
E-DOC-CTC-2008 0527-0012 v1.0 iv Contents.
E-DOC-CTC-20080 527-0012 v1. 0 1 About this Setup and User Guide About this Setup and User Guide Used Symbols T erminology Generally , the THOMSON TG789vn will be referre d to as Thomson Gate way in this Setup and User G uide.
E-DOC-CTC-2008 0527-0012 v1.0 2 About this Setup and User Guide.
E-DOC-CTC-20080 527-0012 v1. 0 3 1 Installation 1 Installation Introduction In a few minutes you will be able to access t he Internet using your T homson Gateway. This Setup an d User Guide wil l show you h ow to set up you r Thomson Gat eway and how to connect your computer(s) to the Internet.
E-DOC-CTC-2008 0527-0012 v1.0 4 1 Installation 1.1 Before you start User -specific requirements Y ou can use your Thomson Gateway as: DSL Gateway: The Thomson Gateway is con nected to the DSL network of your service provider and brings the Internet to your home.
E-DOC-CTC-20080 527-0012 v1. 0 5 1 Installation 1.1.1 DSL Requirements Applicability This section is on ly applicable if you are usin g your Thomson Gateway as DSL gateway . For more information, see “User -specific require ments” on page 4 . DSL Service The DSL service mus t be activ ated on you r telephone line b y your service provider .
E-DOC-CTC-2008 0527-0012 v1.0 6 1 Installation How do I know if my Thomson Ga teway has an integrated filter? Thomson Gateways: With an integrated filter have no PSTN port on their back pa nel. Without integrated filter have a PSTN port on their back panel.
E-DOC-CTC-20080 527-0012 v1. 0 7 1 Installation 1.1.2 Connection Requirements Wireless connection If you want to connect your comput er using a wireless connection, you w ill need a WiFi-certified wireless client adapter for each co mputer you wa nt to connect wirelessly .
E-DOC-CTC-2008 0527-0012 v1.0 8 1 Installation 1.2 Installing your Thomson Gateway War n i n g Do not plug in any cables or connect any d evices until you are in structed to do so.
E-DOC-CTC-20080 527-0012 v1. 0 9 1 Installation 1.2.1 Guided Installation Requirements Y our computer must run one of the following operating systems: Microsoft Windows 7 or hig her Micros.
E-DOC-CTC-2008 0527-0012 v1.0 10 1 Installation CD menu On the CD Menu , you can click: Initial Setup to connect your computer to th e Thom son Gateway and confi gure it. Reconfigure my Thomson Gateway to fully recon figure your Thomson Gateway .
E-DOC-CTC-20080 527-0012 v1. 0 11 1 Installation 1.2.2 Manual Installation Requirements JavaScript must be en abled (this is the de fault setting) on your browser . For more informatio n, consult the help of your web br owser . Procedure Proceed as follows: 1 Connect the Thomson Gateway to your broad band service .
E-DOC-CTC-2008 0527-0012 v1.0 12 1 Installation 3 Plug the other end into the Ethernet port of your Internet gatew ay/modem. Power on the Thomson Gateway Proceed as follows: 1 Connect the power cord to the Thomson Gateway’ s power port. 2 Plug the other end into an electrical outlet.
E-DOC-CTC-20080 527-0012 v1. 0 13 1 Installation 1.3 Adding a New Computer to your Network Guided Installation If you configured your Thomso n Gateway using the Guided Installati on , use the same procedure on the computer that you want to add.
E-DOC-CTC-2008 0527-0012 v1.0 14 1 Installation 1.4 Connecting a Computer Using the Ethernet Cable Requirements Both your comput er and Thomson Gate way must have a free Ethernet port. Y o ur computer m ust be configur ed to obtain an IP address automatically .
E-DOC-CTC-20080 527-0012 v1. 0 15 2 Thomson Gateway Basics 2 Thomson Gateway Basics In this chapter To p i c Page Thomson Gateway LED Behaviour 16 Thomson Gateway GUI 22 Backing Up/Re storing you r Co.
E-DOC-CTC-2008 0527-0012 v1.0 16 2 Thomson Gateway Basics 2.1 Thomson Gateway LED Behaviour Content This chapter describes the behaviour of: Status LEDs WPS Button LED Ethernet LEDs.
E-DOC-CTC-20080 527-0012 v1. 0 17 2 Thomson Gateway Basics 2.1.1 Status LEDs Introduction On the front panel of your Thomson Gateway, you can find a nu mber of status LE Ds, indicating the s tate of the device.
E-DOC-CTC-2008 0527-0012 v1.0 18 2 Thomson Gateway Basics Phone LED Broadband LED Internet LED TV LED Red Solid on No wireless activity , no security Blinking Wireless activity , no security Red/green.
E-DOC-CTC-20080 527-0012 v1. 0 19 2 Thomson Gateway Basics Upgrade LED Colour State Description Blue Solid on Software upgrade ongoi ng Off No software upgr ade ongo ing.
E-DOC-CTC-2008 0527-0012 v1.0 20 2 Thomson Gateway Basics 2.1.2 WPS Button LED WPS button The Wi-Fi Protected Setup (WPS) bu tton allows you to add new wireless clie nts to your network. For more information, see “3.1 Connecting Y our Wi reless Client via WPS” on page 28 .
E-DOC-CTC-20080 527-0012 v1. 0 21 2 Thomson Gateway Basics 2.1.3 Ethernet LEDs Ethernet LED A LED may be prov ided per Ethernet port to indicate li nk integrity (or activity).
E-DOC-CTC-2008 0527-0012 v1.0 22 2 Thomson Gateway Basics 2.2 Thomson Gateway GUI Introduction The Thomson Gatew ay Graphical User Interface (GIU) al lows you to configure your Thom son Gateway using your web br owser . Requirements JavaScript must be en abled (this is the de fault setting) on your browser .
E-DOC-CTC-20080 527-0012 v1. 0 23 2 Thomson Gateway Basics Components All the pages contain fol lowing components: Menu The menu co nsists of th e following menu items: Home: Allows you to go back to the home pa ge. Thomson Gat eway : Provides basic information on the Thom son Gateway.
E-DOC-CTC-2008 0527-0012 v1.0 24 2 Thomson Gateway Basics Language bar The language bar allows you to change the la nguage of the Thomson Gateway W e b interface. Login section In this section you can se e the current user name. By clicking the user name, you can: Change your password.
E-DOC-CTC-20080 527-0012 v1. 0 25 2 Thomson Gateway Basics 2.3 Backing Up/Restoring your Configuration Introduction Once you have configured your Thomson Gateway to your needs, it is recommended to backup your configuration for later us e. This way yo u can always return to your workin g configurati on in case of problems.
E-DOC-CTC-2008 0527-0012 v1.0 26 2 Thomson Gateway Basics.
E-DOC-CTC-20080 527-0012 v1. 0 27 3 Wireless Access 3 Wireless Access Introduction With the built-in wireless access point you do no longer need a cabl e connection between your comp uter and your Thomson G ateway.
E-DOC-CTC-2008 0527-0012 v1.0 28 3 Wireless Access 3.1 Connecting Y our Wireless Client via WPS WPS Wi-Fi Protected Setup (WPS) allows y ou to add new wireless clie nts to your network in a swift and easy way , without the need to ente r all your wireless setting s (network name, wireless key , encryption type).
E-DOC-CTC-20080 527-0012 v1. 0 29 3 Wireless Access The WPS button LED is blinking red This indicates that the Thomson Gateway co uld not find yo ur wireless client. M ake sure that the WPS button LED is blinking o range when you start WPS on your wireless client .
E-DOC-CTC-2008 0527-0012 v1.0 30 3 Wireless Access 3.2 Connecting Y our Wireless Client without WPS Before you start Before you can connect a computer to your wireless network you need to know the wireless settings that are currently used by the Thomso n Gateway, i.
E-DOC-CTC-20080 527-0012 v1. 0 31 3 Wireless Access 3.3 Securing Y our Wireless Connection Introduction By using encryption, you can prot ect the wireless communic ation betw een the wireless clients and your Thomson Gateway with a wireless key .
E-DOC-CTC-2008 0527-0012 v1.0 32 3 Wireless Access 3.3.1 Configuring WP A-PSK Encryption Procedure Continuing from “Configuring the wireless encryption” on pag e 31 : 1 Select Use WP A-PSK Encryption . 2 In the WP A-PSK Encryption Key box, type a the key of your choi ce.
E-DOC-CTC-20080 527-0012 v1. 0 33 3 Wireless Access 3.3.2 Configuring WEP Encryption War n i n g Although the Thomson Gatewa y allows you to use WEP or no security , it is not recommended to us e these settings. Only use WEP if you have wireless clients that do n ot support any higher en cryption levels .
E-DOC-CTC-2008 0527-0012 v1.0 34 3 Wireless Access.
E-DOC-CTC-20080 527-0012 v1. 0 35 4 Telephony 4 T elephony V oice over IP (V oIP) V oIP is a technology in which telep hone calls are ma de over the Internet.
E-DOC-CTC-2008 0527-0012 v1.0 36 4 Telephony 4.1 Setting Up Y our T elephone Network Procedure T o set up your Thomson Gateway successfu lly , you must follow the follo wing steps: 1 Connect your traditional phon e(s) or fax to the green Phone port(s) on the Thomson Gateway’ s back panel.
E-DOC-CTC-20080 527-0012 v1. 0 37 4 Telephony 4.1.1 Connection to the T raditional T elephone Network Combining V oIP with the traditional telephone network The Thomson G ateway allows you to us e both the traditional telephone netwo rk (PSTN) as the V oIP network on the same device.
E-DOC-CTC-2008 0527-0012 v1.0 38 4 Telephony 4.1.2 Configuring the Thomson Gateway V oIP Settings Introduction If you configured your Thomso n Gateway using the Guided Installati on , the V oIP settings may already be configured by the Setup wizard.
E-DOC-CTC-20080 527-0012 v1. 0 39 4 Telephony Enter your V oIP account settings Proceed as follows: 1 In the Navigation ba r , click Configure . 2 Under Service Configuration , select Enable T elephony .
E-DOC-CTC-2008 0527-0012 v1.0 40 4 Telephony 5 Click Add . 6 Enter another URI, your user name and password. 7 Choose the phone port for which yo u want to use this telephone number .
E-DOC-CTC-20080 527-0012 v1. 0 41 4 Telephony 4.2 Address Book Introduction The Address Book page is located on the Thomson Gateway GUI and allows you to: Store your contacts on the Thomson G ateway GUI . Initiate a call or send a message by clicking the phone number or e- mail address in the contact details.
E-DOC-CTC-2008 0527-0012 v1.0 42 4 Telephony 4.3 T elephony Services Introduction T e lephony se rvices add extra function ality to your phone. For example: p utting a call on hol d, transferring calls,... Requirements Before you can use a service, it: 1 Must be supported by your service provi der .
E-DOC-CTC-20080 527-0012 v1. 0 43 4 Telephony 4.3.1 Services supported by Y our Service Provider Procedure T o see which servi ces are suppor ted by your pro vider: 1 Browse to the Thomson Gateway GUI . 2 On the T oolbox menu, click T elephony . 3 In the Navigation ba r , click Configure .
E-DOC-CTC-2008 0527-0012 v1.0 44 4 Telephony 4.3.2 Activating a T elephony Service on your Thomson Gateway How can I (de)activate a serv ice on my Thomson Gateway? Y ou can (de)activate services in two ways: Via (de)ac tivation co des on your pho ne.
E-DOC-CTC-20080 527-0012 v1. 0 45 4 Telephony 4.3.3 Using T elephony Services Introduction This section provides an overview of the functio ns that will be availabl e if you activate on e of the follo.
E-DOC-CTC-2008 0527-0012 v1.0 46 4 Telephony Call Waiting serv ice If the Call W aiting service is activated, you can use the following functions: Conference Call (3 Party) service If the Conference Call (3 P arty) service is activated, you ca n use the following fun ctions: T o.
E-DOC-CTC-20080 527-0012 v1. 0 47 4 Telephony Call T ransfer If the Call T ransfer service is activated, you ca n use the follo wing functions: T o... Press.
E-DOC-CTC-2008 0527-0012 v1.0 48 4 Telephony 4.4 V iewing T elephony Statistics Introduction The T elephony Statistics page on th e Thomson G ateway GUI lists: Successful incoming calls. Missed incoming calls. Successful outgoing calls. Failed outgoing calls.
E-DOC-CTC-20080 527-0012 v1. 0 49 5 Saving Energy with Your Thomson Gateway 5 Saving Energy with Y our Thomson Gateway Code of Conduct v3 T o prove its commitment to protec t the environment, THOMSON has signed the Code of Co nduct v3 (CoC v3), an agreemen t to reduce the power consu mption of broad band devices.
E-DOC-CTC-2008 0527-0012 v1.0 50 5 Saving Energy with Your Thomson Gateway Example: If we use the same example as i n the previous sec tion, you can see that the Thomso n Gateway is now able to furthe.
E-DOC-CTC-20080 527-0012 v1. 0 51 6 Sharing Content on your Thomson Gateway 6 Sharing Content on your Thomson Gateway Introduction The Thomson Gateway allows you to st ore your data on a centralise d place in the network. Th is way you can share your files with everyone that is connected to your network.
E-DOC-CTC-2008 0527-0012 v1.0 52 6 Sharing Content on your Thomson Gateway 6.1 Using the Network File Server Introduction The Network Server allows you to sh are the content on your USB storage device with other devices that are connected to your Thomson Gateway network (mostly computers).
E-DOC-CTC-20080 527-0012 v1. 0 53 6 Sharing Content on your Thomson Gateway Accessing the shar ed content on Windows Proceed as follows: 1 Open Wind ows Explo rer . 2 In the address bar type two backslashes followed by the name that you entered in the Server Name box (in our example: Thomson ).
E-DOC-CTC-2008 0527-0012 v1.0 54 6 Sharing Content on your Thomson Gateway Accessing the shared content on Mac Proceed as follows: 1 On the Go menu, click Connect T o Server .
E-DOC-CTC-20080 527-0012 v1. 0 55 6 Sharing Content on your Thomson Gateway 6.2 Using the UPnP A V Media Server UPnP A V protocol UPnP A V (A V stands for Audio and V ideo) is a protocol especially designed to share media files on your local network .
E-DOC-CTC-2008 0527-0012 v1.0 56 6 Sharing Content on your Thomson Gateway 6.3 Using the FTP Server Introduction The Thomson Gateway allows y o u to access your sh ared content by FTP . This can be useful if you want to be able to access your shared content fr om the Internet.
E-DOC-CTC-20080 527-0012 v1. 0 57 6 Sharing Content on your Thomson Gateway Result The Shared f older and its su bfolders are now accessible us ing FTP .
E-DOC-CTC-2008 0527-0012 v1.0 58 6 Sharing Content on your Thomson Gateway 6.4 Managing your Shared Content Managed Partition If you select your drive or partition as managed partit ion, users o nly have access to the follow ing folders: Media Shared All other folders will be hidd en from the user .
E-DOC-CTC-20080 527-0012 v1. 0 59 6 Sharing Content on your Thomson Gateway Setting up the managed partition Proceed as follows: 1 Browse to the Thomson Gateway GUI . 2 On the To o l s menu, click Content Sharing . 3 In the Navigation ba r , click Configure .
E-DOC-CTC-2008 0527-0012 v1.0 60 6 Sharing Content on your Thomson Gateway 6.5 Safely Removing your USB Storage Device Introduction If you just unplug your USB storage devi ce from th e Thomson Gateway you may lo ose your data. T o avoid this you must first unmount yo ur USB storage device.
E-DOC-CTC-20080 527-0012 v1. 0 61 7 Thomson Gateway Tools 7 Thomson Gateway T ools In this chapter In this chapter we will take a cl oser look at following features: Feature availability Depending on th e configuration offered by your service provide r , some features may not be available on your Thomson Gateway.
E-DOC-CTC-2008 0527-0012 v1.0 62 7 Thomson Gateway Tools 7.1 UPnP Introduction UPnP is designed to automate the installation an d configuration o f a (small) network as m uch as possible. This means that UPnP-capable devi ces can join and leave a network without an y effort of a network administrator .
E-DOC-CTC-20080 527-0012 v1. 0 63 7 Thomson Gateway Tools 7.1.1 Accessing Y our Thomson Gateway with UPnP Windows 7/V ista If you compute r runs Windows 7/Vista: 1 On the Windows Start menu, click Network . 2 The Network window appears: 3 Right-click your Thomson Gateway (d isplayed as THOMSO N TGXXX) and click View device web page .
E-DOC-CTC-2008 0527-0012 v1.0 64 7 Thomson Gateway Tools 7.1.2 Managing your Internet connection with UPnP Windows 7/Vista If you compute r runs Windows 7/Vista: 1 On the Windows Start menu, click Network . 2 The Network window appears: 3 Right-click your Thomson Gatewa y (displaye d as THOMSON TGXXX).
E-DOC-CTC-20080 527-0012 v1. 0 65 7 Thomson Gateway Tools 7.1.3 Configuring UPnP on the Thomson Gateway Introduction On the Thomson Gateway GU I you can: Enable/Dis able UPnP . Enable/Dis able Extended Security . Enable/Disable UPnP Proceed as follows: 1 Browse to the Thomson Gateway GUI .
E-DOC-CTC-2008 0527-0012 v1.0 66 7 Thomson Gateway Tools 7.1.4 Installing UPnP on Windows XP Adding UPnP If you are running Microso ft Windows XP , it is recom mended to add the UPnP component to your system . Proceed as follows: 1 In the Start menu, click (Settings >) Control Panel .
E-DOC-CTC-20080 527-0012 v1. 0 67 7 Thomson Gateway Tools Adding IGD Discovery and Control Y our Windows XP system is able to discover and cont rol Internet Gateway Device s (IGD), like the Thomson Gateway on your local net work. Therefore, i t is recommended to add the IG D Discovery and Contro l client to your system.
E-DOC-CTC-2008 0527-0012 v1.0 68 7 Thomson Gateway Tools 7.2 Assigning a service (HTTP , FTP ,...) to a Computer Introduction The Thomson Gateway all ows you to use one internet conn ect ion for multiple comput ers. This means that all your computers s hare one publi c IP address, as if on ly one computer were conn ected to the outside world.
E-DOC-CTC-20080 527-0012 v1. 0 69 7 Thomson Gateway Tools UPnP UPnP is a technol ogy that enables seamless operation of a wide rang e of games and messagin g application s. Y our computer will use UP nP to commun icate to th e Thomson Gateway which services are run ning on the computer .
E-DOC-CTC-2008 0527-0012 v1.0 70 7 Thomson Gateway Tools 7.3 Dynamic DNS Introduction The Dynamic DNS service allows you to assign a dynamic DN S host name (for example mywebpage.dyndns. org) to a broadband connecti on even if it is using a dynamic IP address.
E-DOC-CTC-20080 527-0012 v1. 0 71 8 Internet Security 8 Internet Security Overview The Thomson Gateway offers you variou s options to secu re your net work: To p i c Page Firewall 72 Parental Control .
E-DOC-CTC-2008 0527-0012 v1.0 72 8 Internet Security 8.1 Firewall Introduction The Thomson G ateway comes with an in tegrated firewall. This firewall has a number of predefined levels to allow you to adjusted the firewall to your ne eds. The Firewall is di sabled by default.
E-DOC-CTC-20080 527-0012 v1. 0 73 8 Internet Security 8.2 Parental Control Introduction The Thomson Gateway allows you to deny access to specific web sites.
E-DOC-CTC-2008 0527-0012 v1.0 74 8 Internet Security 3 In the Pick a task list, click Acti vate W eb Filtering License. 4 The Web Filtering Activatio n page appears. Under License T ype , select: 30-days evalu ation if you first want evaluate this feature.
E-DOC-CTC-20080 527-0012 v1. 0 75 8 Internet Security 8.2.1 Configuring The Content-based Filter Accessing the configuration page Proceed as follows: 1 Browse to the Thomson Gateway GUI . 2 On the T oolbox menu, click Parental Control . 3 On the Navigati on bar , click Configure .
E-DOC-CTC-2008 0527-0012 v1.0 76 8 Internet Security 8.2.2 Adding Rules for the Address-Based Filter Introduction Address-based fi ltering has a higher prio rity than co ntent-based filtering. Th is means that when you are blocking a specific category , you can still access a specific site if you allow it in the address-based filter .
E-DOC-CTC-20080 527-0012 v1. 0 77 8 Internet Security 4 T ype the URL of the W eb site you want to redirect (for example “cracks.am”) in the Web S it e box. 5 Click Redirect in the Action li st. 6 T ype the URL of the Web site you want to redirect to (for example “mycompany .
E-DOC-CTC-2008 0527-0012 v1.0 78 8 Internet Security.
E-DOC-CTC-20080 527-0012 v1. 0 79 9 Troubleshooting 9 T roubleshooting Introduction This chapter suggest s solutions for pro blems you may en counter while in stalling, co nfiguring or usi ng your Thomson Gateway. If the suggestions do not resolve the problem, loo k at the support pages on www .
E-DOC-CTC-2008 0527-0012 v1.0 80 9 Troubleshooting 9.1 Setup T roubleshooting The Setup CD does not start automatically If your computer runs: Microsoft Windows: 1 Click the Windows Start button. 2 Click Run . 3 In the Open field, type the following path: D:Setup.
E-DOC-CTC-20080 527-0012 v1. 0 81 9 Troubleshooting 9.2 General Thomson Gateway T roubleshooting None of the lights light up (T homson Gateway does not work) Make sure that: The Thomson Gateway is pl ugged into a power socke t outlet. Y ou are using the correct power supply for your Thomson Gateway device.
E-DOC-CTC-2008 0527-0012 v1.0 82 9 Troubleshooting 9.3 Wired Connection T roubleshooting Ethernet LED does not light up Make sure that: The Ethernet cable is securely connected to the Ethernet port on your Thomson Gatewa y and your computer .
E-DOC-CTC-20080 527-0012 v1. 0 83 9 Troubleshooting 9.4 Wireless Connection T roubleshooting No Wireless Connectivity T ry the following: Change the wireless channel . Make sure that the wireless clie nt is configured fo r the correct wireless setting s (Network Name, security settings).
E-DOC-CTC-2008 0527-0012 v1.0 84 9 Troubleshooting 9.5 V oice over IP T roubleshooting Introduction If you cannot make or receive any phone calls via your Thomson Gateway, tr y the sugge stions in the following sections.
E-DOC-CTC-20080 527-0012 v1. 0 85 9 Troubleshooting 9.6 Reset to Factory Defaults Resetting your Thomson Gateway If at some point you can no longer connect to the Thom son Gateway or you want to make a fresh install, i t may be useful to perform a reset to factory defaults.
E-DOC-CTC-2008 0527-0012 v1.0 86 9 Troubleshooting Reset the Thomson Gateway via the Reset button Proceed as follows: 1 Make sure the Thomson Gateway is turned on. 2 Push the Reset button until the Power LED lights red - this wi ll take about 7 seconds.
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デバイスThomson TG789vnの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Thomson TG789vnをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはThomson TG789vnの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Thomson TG789vnの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Thomson TG789vnで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Thomson TG789vnを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はThomson TG789vnの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Thomson TG789vnに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちThomson TG789vnデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。