OnkyoメーカーTX-NR808の使用説明書/サービス説明書
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A V Receiv er TX-NR808 Instruction Manual Thank you for purchasing an Onkyo A V Receiv er . Please read this manual thoroughl y before making connections and plugg ing in the unit. Follo wing the in structions in this m anual will enable you to obtain opti mum performance and listening enjoyment from your new A V Receiv er .
2 En Introduction Impor tant Safety Instructions 1. Read these ins tructions. 2. Ke ep these instructions. 3. Heed all warnings. 4. Follo w all instructions. 5. Do not use this apparatus near w ater . 6. Clean only with dry cloth. 7. Do not block an y ventilat ion openings.
3 En Precautions 1. Recording Copyright —Unless it’ s for personal use only , recording cop yrighted ma terial is illegal without the permission of the copyright holder . 2. A C Fuse —The A C fuse inside the unit is not user -ser- viceable. If you cannot turn on the unit, contact your Onkyo de aler .
4 En F or British models Replacement and mounting of an A C plug on the power supply cord of this unit should be performed only b y qual- ified service personnel.
5 En Contents Important Safety Instructions ......................................... 2 Precautions ........................................... ............................ 3 Supplied Accessories ............................................... .......
6 En Features Amplifier • 135 W atts/Channel @ 8 ohms (FTC) • 180 W atts/Channel @ 6 ohms (IEC) • 230 W atts/Channel @ 6 ohms (JEIT A) • WRA T–Wide Range Am plif ier T echnology (5 Hz to 100 kHz bandwidth) • Linear Optimum Ga in V olume Circuitry • H.
7 En T o receive HD Radio broadcasts, you must install an Onkyo UP-HT1 HD Radio tuner modu le (sold separately). *8 In Europe, using banana plugs to connect sp eakers to an audio amplifier is prohibited. *9 SIRIUS, XM and all relat ed ma rks and logos are trademarks of Sirius XM R adio Inc.
8 En Fr ont & Rear P anels The actual front panel has v arious logos printe d on it. They are not sho wn here for clarity . The page numbers in parentheses show where you can f ind the main explanation for each item.
9 En The page numbers in pa rentheses show where you can find th e main e xplanation for each item. l PHONES jack ( ➔ 27 ) m ZONE 2 , ZONE 3 and OFF b uttons ( ➔ 72 ) n TO N E b utton ( ➔ 58 , 7.
10 En (North American a nd T aiwan models) (European, A ustralian and Asian models) a DIGIT AL IN CO AXIAL and OPTICAL jacks b RS232 port T erminal for control.
11 En Remote Contr oller For detail ed information, see the pages in parent heses. a ST ANDBY button ( ➔ 24 ) b ON b utton ( ➔ 24 ) c AC T I V I T I E S buttons ( ALL OFF , MY MO VIE , MY TV and M.
12 En About Home Theater Thanks to the A V receiv er’ s superb capabilities, you can enjoy surround sound wi th a real sense of movement in your ow n home—just like being in a movie theater or concert hall. W ith Blu-ra y Discs or DVDs, you can enjoy DTS and Dolby Digital.
13 En Connections Connecting the A V Receiver Speaker Configura tion The follo wing table indicates the channels you should use depending on the number of speakers that you ha ve. For 7.1-channel surround-s ound playback, you need 7 speakers and a po wered subwoofer .
14 En Connecting the Speaker Cab les Screw-type speak er terminals Using Banana Plugs (North American models) • If you are using b anana plugs, tighten the sp eaker terminal before inserting the b anana plug. • Do not insert the speaker code directly in to the center hole of the speaker terminal.
15 En Using Dipole Spea kers Y ou can use dipole speakers for the sur round and surround back speakers. Dipole speakers output the same sound in tw o directions. Dipole speakers typically ha ve an arro w printed on them to indicate how the y should be positioned.
16 En If you want to use a more powerful po wer amplif ier and use the A V recei ver as a preamp, connect it to the PRE O UT jacks, and connect all speak ers and the subwoofer to the po wer amplifier . If you hav e a powered subwoofer , connect it to this A V recei ver’ s SUBWOOFER PRE OUT jack.
17 En Connected ima ge with A V components • Before making any A V connections, read th e manuals supplied with your A V components. • Don’t connect the po wer cord until you’ ve comp leted and double-checked all A V connections. • Push plugs in all the way to make good connecti ons (loose connecti ons can cause noise or malfunc- tions).
18 En Connect your components to the appropr iate jack s. The default input assi gnments are sho wn below . ✔ : Assignment can be changed ( ➔ 42 ). Refer to “ About HDMI” ( ➔ 95 ) and “Using an RIHD-compat ible TV , Player, or Recorder” ( ➔ 96 ).
19 En Connect your components to the appropriate jacks. The default input assignments are sho wn below . ✔ : Assignment can be changed ( ➔ 44 ). Connecting Y our Components No.
20 En Note *1 Connect a turntable (MM) that has built-in a phono preamp to TV/CD IN or connect it to PHONO IN with the phono preamp turned off . If your turntabl e (MM) doesn’t h ave a p hono preamp, connect to PHONO IN .
21 En This section explains ho w to connect the supplied indoor FM antenna and AM loop antenna. The A V receiv er won’t pick up an y radi o signals without any antenn a connected, so you must co nnect the antenna to use the tuner .
22 En The A V recei ver supports se vera l connection formats for compat ibility with a wide range of A V equipment. The format you choose will depend on the formats supported by your co mponents.
23 En Note •T h e “ Monitor Out ” setting will be automatically switched to “ Analog ” ( ➔ 42 ) if not connected to both outputs when “ Both ” is selected or if not c onnected to a priority output when “ Both(Main) ” or “ Both(Sub) ” is selected.
24 En T ur ning On & Basic Operations T urning On/Off the A V Receiver (European, A ustralian and Asian models) T o comple tely shut down the A V receiver, set PO WER to the OFF position ( ). T urning On 1 (European, A ustralian and Asian models) Set PO WER to the ON position ( ) on the fr ont panel.
25 En Basic Operations Y ou can determine the language used for the onscreen setup menus. See “Lang uage” in the “OSD Setup” ( ➔ 55 ). ■ Operating on the A V receiver ■ Operating with the remo te controller Y ou can display v arious info rmation about the current input source as follows.
26 En Y ou can temporarily mute the output of the A V receiv er. Tip • T o unmute, press MUTING again or adjust the volume. • The Mute functi on is cancelled when the A V rece i ver is set to Standb y . W ith the sleep timer , you can set the A V receiv er to turn off aut omatically after a specif ied period.
27 En Note *1 If Pure Audio or Direct listening mode is selected, “ Dynamic EQ ” and “ Dynamic V olume ” cannot be selected. *2 Only when you have selected “ Custom ” in the “ Picture Mo.
28 En *1 Depending on the start-up time of Blu-ray Disc/D VD player , the A V rec eiv er may not activate this playback command. In this case, press 1 on the remote controller . T urning Off th e Components *1 When MY MUSIC is selected, with the default settings, this will not be performed.
29 En Note • Make the room as quiet as possi ble. Background noise and Radio Frequency Interferen ce (RFI) can disrupt the room measure- ments. Close windo ws, televisions , radios, air conditioners, flu- orescent lights , home appliance s, light dimmers , or other devices.
30 En Note • When Audyssey MultEQ ® Room Correction and Speak er Setup is complete, the “ Equalizer ” will be set to “ Audyssey ” ( ➔ 47 ). The A udyssey indicator will light ( ➔ 9 ). • Y ou can cancel Audyssey Mu ltEQ R oom Correction and Speaker Setup at any point in th is procedure simply by discon- necting the setup microphone.
31 En Listening to the Radio W ith the built-in tuner you can enjoy AM and FM radio stations. Y ou can store your fa vo rite stations as presets for quick selection.
32 En Y ou can store a combination of up to 40 of your fav orite FM/AM radio stations as presets. Note • Y ou can name your radio presets for easy identification ( ➔ 52 ). Its name is displayed instead of the band and frequency . Selecting Presets Tip • Y ou can also use the remote c ontroller’ s number buttons to select a preset directly .
33 En Finding Statio ns by T ype (PTY) Y ou can search for radio stations by type. Listening to T raffic News (TP) Y ou can search for stations that broadcast traf fic ne ws. ■ RDS program types (PTY) 1 Pre ss RT/PTY/TP twice. The current program type appears on the display .
34 En Recor ding This section explains ho w to record the selected input source to a component with recording capability , and how to record audio and video from different sou rces. Connecting a Recor ding Component Note • The A V receiv er must be t urned on for reco rding.
35 En Using the Listening Modes See “ About Listening Modes” for detailed information about th e listening modes ( ➔ 36 ). Listening Mode Buttons MO VIE/TV b utton This button selec ts the list ening modes intended for use with mo vies and TV . MUSIC b utton This button selec ts the list ening modes intended for use with music.
36 En The A V receiv er’ s listening m odes can transform your listening room into a mo vie theater or concert hall, with high fidel- ity and stunning surround sound. Explanatory No tes ■ Input Source The follow ing audio fo rmats are supported by the listening mode.
37 En Listening Mode s Listening Mode Description Input Source Speaker Layo u t Pure Audio In this mode, the d isplay and video circ u itry are turned of f, minimizing pos- sible noise sources for the ultimate in high-fidelity audio reproduction.
38 En DTS-HD High Resolution Audio (Continued from the pre vious page.) DX C N FX C N *1 DTS-HD Master Au di o DX C N FX C N *1 DTS Express S D XCN DSD *6 DX C N DTS 96/24 *7 This mode is for use with DTS 96/24 sources. This is high-resolu tion DTS with a 96 kHz sampling rate and 24-bit resolution, pro viding superior fidel- ity .
39 En THX Founded by George Lucas, THX de velops stringent standards that ensure movies are reproduced in movie theaters and home theaters ju st as the direc- tor intended. THX Modes car efully optimize the tonal and spatial character - istics of th e soundtrack f or reproduc tion in the home-theater en vironment.
40 En Onky o-Original DSP List ening Modes Note *1 Based on the audio channels contained in the source, the corresponding speake rs will output the sound. *2 If there are no surr ound back speakers, or Powered Zone 2 is being used, Dolb y Pro Logic II is used.
41 En Advanced Operations Adv anced Setup The on-screen setup menus a ppear on the connected TV and provide a con venient way to change the A V rece iv er’ s various settin gs. Settings are organized into 9 cate gories on the main menu . Carry out the settings by using the on-screen display .
42 En Explanatory No tes Main Menu Input/Output Assig n Monitor Out If you connect your TV to HDMI o utput, “ Monitor Out ” setting is automatical ly set so that the onscreen setup menus are displayed and com posite video, S-V ideo, and component video sources are upcon v erted * and output.
43 En Note • (North American and T a iwan models) If not connected to HDMI OUT , the “ Monitor Out ” setting will be automatically switched to “ Analog ” ( ➔ 23 ).
44 En Here are the defau lt assignments. ■ BD/D VD , VCR/DVR , CBL/SA T , GAME , PC , TV/CD , PHONO , PORT ` HDMI1 , HDMI2 , HDMI3 , HDMI4 , HD MI5 , HDMI6 : Select the HDMI IN to which the video component has been connected. ` ----- : Output composite video, S-V ideo, and component video sources from the HDMI output.
45 En Digital A udio Input If you connect a component to a digital audio input, you must assign that input to an i nput selector . F or example, if you connect your CD player to the OPTICAL IN 1 , you must assign “ OPT1 ” to the “ TV/CD ” input selector .
46 En Speaker Configur ation W ith these settings, you can specify which speakers are connected and a crossover frequ ency for each speaker . Specify “ Full Band ” for speakers that can output low fre- quency bass sounds adequ ately , for e xample, speakers with a good sized woofer .
47 En ■ Left, Fr ont Wide Left, Fr ont High Left, Center, Front High Right, Front Wide Right, Right, Surr Right, Surr Back Right, Surr Back Left, Surr Left, Subwoofer ` Specify the distance from the each speaker to your lis- tening position.
48 En THX A udio Setup W ith the “ Surr Back Speaker Spaci ng ” setting, you can specify the distance between your surround back speakers. If you’ re using a THX-certif ied subwoofer , set the “ THX Ultra2/Select2 Subwo ofer ” setting to “ Ye s ”.
49 En Main menu Aud i o Ad j u s t W ith the Audio Adjust functions and settings, you can adjust the sound and listening modes as you like. Multiplex/Mono ■ Multiple x This setting determine s which channel of a stereo multi- plex source is output.
50 En Note •I f t h e “ Surr Back ” setting is set to “ None ” ( ➔ 46 ), this setting cannot be selected. •I f t h e “ Front High ” or “ Front W ide ” setting is enabled ( ➔ 46 ), this setting is fixed at “ Manual ”.
51 En ■ Reference Level A udyssey Dynamic EQ ® Reference Le vel Offset ` 0dB : It should be used when listening to movies. ` 5dB : Select this set ting for content that h as a very wide dynamic range, such as classical music. ` 10dB : Select this set ting for jazz or ot her music that has a wider dynamic range.
52 En IntelliV olume ■ IntelliV olume ` –12dB to 0dB to +12dB in 1 dB steps. W ith IntelliV olume, you can se t the input level for each input selector individ ually . Th is is useful if one of your source components is louder or quieter than the others.
53 En Picture Adjust Using “ Picture Adjust ”, you can adjust the picture qual- ity and reduce any noise appearing on the screen. T o view the TV pictur e while setting, press ENTER .
54 En ■ Noise Reduction *2 ` Off : Noise reduction of f. ` Low : Low noise r eduction. ` Mid : Medium noise reduction. ` High : High noise reduction. W ith this setting, you can reduce noise appearing on the screen. Note •I f t h e “ Game Mo de ” setting is set to “ On ” ( ➔ 53 ), this setting is fix ed at “ Off ”.
55 En ■ DTS/DTS-ES/DTS-HD W ith this setting, you can specify the listening mode to be used when a DTS or DTS-HD High Resolution Audio format digital audio signal is played (D VD, LD, CD, etc.). Speci fies the def ault listening mode for DTS- HD Master Audio sources, su ch as Blu-ray or HD D VD (input via HDMI).
56 En Tu n e r For FM/AM tuning to wo rk properly , you must specify the FM/AM frequency step used in your area. Note that when this setting i s changed, all radio presets w ill be deleted. ■ FM/AM Frequency Step (North American and T aiwan mo dels) ` 200kHz/10kHz : Select if 200 kHz/10 kHz steps are used in your area.
57 En • When the source equi pmen t is connected with the u connec- tion, it may malfunction if “ HDMI Control (RIHD) ” is set to “ On ” . ■ Audio Return Channel ` Off : Select “ Off ” if you don’t want to use audio return channel (ARC) function.
58 En ■ Receiver ` via NET : Y ou can update the firmware via In ternet. Check the network connection before update. ` via USB : Y ou can update the firmware from a USB mass stor- age device. Y ou can update the A V receiv er ’ s fi rmware. Do not shut- down the po wer of the A V receiv er while update.
59 En Late Night W ith the Late Night functi on, you can reduce the dynamic range of Dolby Dig ital material so that you can still hear quiet parts e ven whe n listening at lo w v olume le vels— ideal for watching movies la te at night when you don’t want to disturb an yone.
60 En A udio Selector Y ou can set priorities of audio output when there are both digital and analog inputs. ■ A udio Selector ` ARC : The audio signal from your TV tuner can be sent to the HDMI OUT (North American and T aiwan models ) / HDMI OUT MAIN (European, A ustralian and Asian models) of the A V recei ver.
61 En NET/USB The A V recei ver is network-r eady , which means you can hook it up to your home network with a standard Ethernet cable and enjoy the music files stored on your computer or media server . If your network is connected to the Internet, you can also enjoy Internet radio.
62 En T o receiv e Internet radio, you must connect the A V receiv er to a network with Internet access ( ➔ 61 ). Y ou can select Internet rad io stations by connecting to the A V recei ver from your computer and selecting stations in your W eb browser .
63 En Registering Pre sets *1 Once you’ ve added a station to the list, simply select it on the Internet Radio screen, and then press ENTER to start playback. *1 From the search results you can pres et the stations and songs but cannot listen to them directly .
64 En Random Playback The Random function can only be set while the PLA Y screen is displayed. T o play songs in random order , during play back (or while playback is paused or stopped), press RANDOM . All of the songs in the current fold er will be played in random order .
65 En ■ WMA Lossless • Sampling rates of 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz and bitrates of between 5 kbps and 320 kbps are sup- ported. Incompatible fi les cannot be played. • Quantization bit: 16 bit, 24 bit • Number of channels: 2 • V ariable bit-rates (VBR) ar e supported.
66 En Remote Playback means you can play the music f iles stored on the DLN A-certified de vice such as media server with this product by op erating the controller de vice in the home network. Server Requirements • W indows Media Player 12 • DLNA-certif ied (the DLN A Interoperability Guidelines version 1.
67 En Note • When modifying network settings, after modifying it is nec es- sary to ex ecute “ Sa ve ”. This section explains ho w to configure the A V receiver’ s network setti ngs manually .
68 En ■ Pro xy P ort If you’ re using a W eb proxy , enter a proxy port number here. ■ Control This setting enab les or disabl es control o ver the network. ` Enable: Control ov er the network enabled. ` Disable : Control ov er the network disabled.
69 En Random Playback The Random function can only be set while the PLA Y screen is displayed. T o play songs in random order , while the list of songs is displayed, press RANDOM . All of the songs in the cur- rent folder will be played in random order .
70 En Multi Zone In addition to your main listening room, you can also enjoy pl ayback in the other room, or as we call Multi Zone. And, you can select a different source for each room. There are two w ays you can connect Zone 2 speak ers: 1. Connect them directly to the A V receiv er.
71 En Connecting Y our Zone 3 Speakers to an Amp in Zone 3 This setup allo ws 7. 1-channel playback in your main lis- tening room and 2-channel ster eo playback in Zone 3, with a dif ferent source in each room. Note • With the default settings, the Zone 3 v olume must be set on the Zone 3 amp.
72 En Note • This procedure can also be perfor med on the A V receiver by using SETUP , arrows, and ENTER . ■ Zone2 Out, Zone3 Out ` Fixed : The Zone 2/3 vo lume must be set on the amp in that zone. ` Va r i a b l e : The Zone 2/3 volume can be set on the A V receiv er.
73 En Contr olling Zone 2/3 with the Remote Contr oller Note • T o control Zone 2/3, you must press the remote controller’ s ZONE fir st . • ZONE turns red while Zone 2 is on, and green while Zone 3 is on. Note • Only analog input sources are output b y the ZONE 2/3 PRE OUT and FRONT WID E/ZONE 2 L/R terminals.
74 En T o control the A V rec eiv er with the remote controller while you’ re in Zone 2 or Zone 3, you’ll need a commer- cially a vaila ble multiroom remote con trol kit for each zone.
75 En Controlling iP od & Other Components Contr olling iP od USB can be used to play music f iles stored on iPod/ iPhone, which can be plugged into the A V recei ver’ s USB port. Playing Music Files on the iP od/iPhone This section explains ho w to play music files on the iPod/ iPhone.
76 En *2 The following iPod mode ls ar e not supported in Standard Mode. These iPod models can on ly be controlled in Extended Mode. *3 When you disconnect the iPod/iP hone, the A V receiver stores the mode. This means that if you disconnect when in Extended Mode, the A V receive r will start in Extended Mode when you next conn ect the iPod/iPhone.
77 En UP-A1 Dock W ith the UP-A1 Dock, you can easily play the music, photo, or movie stored on your Apple iPod through the A V receiv er and enjoy great sound.
78 En RI Dock W ith the RI Dock, you can easily play the music stored on your Apple iPod through the A V receiver and enjoy great sound, and watch iPod slidesho ws and videos on your TV .
79 En ✔ : A vailable b uttons • With some iPod models, generations and RI Docks, certain buttons may not work as expected. • For detailed operation of the iPod, please r e fer to the instruction ma nual of RI Dock. *1 This button do es not turn the Onkyo DS-A2 or DS-A2X RI Dock on or of f.
80 En Contr olling Other Components Y ou can use the A V receiv er’ s remote controller (RC-771M) to control your other A V components, includ- ing those made by other ma nufacturers. This section explains ho w to enter the re mote control code (with the default underlined) for a component that you want to con- trol: D VD, TV , CD, etc.
81 En 8 When you ha ve a networ k connection, select the brand name again, and then press ENTER . When you do NO T have a network connection, use q / w to select the brand name, and then press ENTER . The following screen appears. 9 The A V receiv er accesses and sear ches the database.
82 En Y ou’ ll need to enter a code for each component that you want to control. Note • The remote control codes provid ed are correct at the time of printing, but are su bject to change. Onkyo components that are connected via u are con- trolled by pointing the remo te controll er at the A V receiv er, not the component.
83 En Y ou can reset a REMO TE MODE to its default remote control code. Y ou can reset the remot e controller to its default setting s. By pressing REMO TE MODE that’ s been programm ed with the remote control code for your component, you can control your component as below .
84 En Note • With some components, certai n button s may not work as expected, and some may not work at all. ✔ : A vailable b uttons *1 The p func tion is not supported. The p sup- ported by the A V receiv er is the CEC system control function of the HDMI standard.
85 En V ia onscreen menu, you can spec ify what actions will be taken b y the Easy macro command in the Easy macro mode ( ➔ 27 ). Here ar e the default settings. Activities Setup 1 Pre ss RECEIVER f ollowed by SETUP . The main menu appears onscreen.
86 En The A V recei ver’ s remote controller can learn the com- mands of other remote contro llers. By transmit ting, for example, the Play command from you r CD player’ s remote controller , the remote control ler can learn it, and then transmit the exact same c ommand when its 1 is pressed in the CD remote mode.
87 En Note • The following b uttons cannot learn new comman ds: REMO TE MODE , ALL OFF , MY MO VIE , MY TV , MY MUSIC . • The remote controller can lear n approximately 70 to 90 com- mands, although this will be less if commands that use a lot of memory are learned.
88 En Others T roub leshooting If you ha ve an y trouble using the A V receiver, look for a solution in this section. If you can’t resolv e the issue your- self, contact your Onkyo dealer .
89 En ■ Only the center speaker produces sound ■ The surround speakers pr oduce no sound ■ The center speaker pr oduces no sound ■ The fr ont high, fr ont wide and surr ound back speakers pr o.
90 En ■ There’ s no picture ■ There’ s no picture from a source conn ected to an HDMI IN ■ The on-screen menus don’t appear ■ The picture is distorte d ■ The on screen display does not.
91 En ■ Can’t learn commands from another remote contr oller ■ Can’t record ■ There’ s no sound ■ The Zone 2 speakers produce no sound ■ Can’t access the server or Internet radio ■.
92 En ■ The u functions don’t w ork ■ The functions System O n/Auto P ower On and Direct Change don’t work for components connected via u ■ When performing “A udyssey MultEQ ® Room Correction and Speaker Setup”, the measurement fails showing the message “Ambient noise is too high.
93 En Specifications Amplifier Section Video Section T uner Section General ■ HDMI ■ Video Inputs ■ Video Outputs ■ A udio Inputs Rated Ou tput P ower All channels : (Nor th American) 135 watts minimum cont inuous power per channel , 8 ohm loads, 2 channels driven from 20 Hz to 20 kHz, with a maximum total harmo nic distortion of 0.
94 En ■ A udio O utputs ■ Others Specif ications and features are subject to change without notice. Analog VCR/D VR, ZONE 2/3 PRE OUT Analog Multich annel Pre Outputs 7 Subw oofer Pr e Outputs 2 Speaker Outputs Main (L, R, C, SL, SR , SBL, SBR, FHL, FHR) + ZONE2/ Front Wide (L, R) Phones 1 (6.
95 En About HDMI Designed to meet the increased demand s of digital TV , HDMI (High Definition Mult im edia Interface) is a new digita l interface standard for connect ing TVs, projectors, Blu-ray Disc/D VD players, set-top box es, and other video compo- nents.
96 En Using an RIHD-compatible TV , Play er , or Recorder p , which stands for Remote Interacti ve o ver HDMI, is the name of the system control function found on Onkyo components. The A V recei ver can be us ed with C EC (Consumer Electronics Cont rol), which allo ws system control over HDMI and is part of the HDMI standard.
97 En ■ How to connect and setup 1 Confirm the connecting and setting . 1. Connect the HDMI OUT or HDMI OUT MAIN jack to the HDMI input jack of the TV . 2. Connect the audio output from the TV to the OPTICAL IN 2 jack of the A V receiv er using an optical digital cable.
98 En Video Resolution Char t The following tables sho w how vide o signals at different resolutions are output b y the A V recei ver. NTSC/P AL ✔ : Output *1 A vailable resolution: [640 × 480 60/7.
99 En Memo.
SN 29400329 Y1004-1 (C) Copyright 2010 ONKY O CORPORA TION Japan. All rights reser ved. * 2 9 4 0 0 3 2 9 * Sales & Product Planning Div . : 2-1, Nisshin-cho, Ne yaga wa-shi, OSAKA 572-8540, JAP AN T el: 072-831-8023 F ax: 072-831-8163 ONKY O U .S.
デバイスOnkyo TX-NR808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：
Onkyo TX-NR808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Onkyo TX-NR808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。Onkyo TX-NR808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。Onkyo TX-NR808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。
Onkyo TX-NR808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Onkyo TX-NR808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、Onkyo TX-NR808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Onkyo TX-NR808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。
