Technics DVD AUDIO System Sc Hda800 Operating Instructions
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Settings 41 RQT6523 Reference 1Press [DVD/CD]. 2 Press [SHIFT] + [SETUP]. 3Press the cursor buttons (wor q) to select the menu’s tab. (Å) The screen changes to display the menu. Disc menu (a) Video menu (b) Audio menu (c) Display menu (d) Others menu (e) 4 Press the cursor buttons (eor r) to select the item and press [ENTER]. 5Press the cursor buttons (werq) to select the option and press [ENTER]. To return to the previous screenPress [RETURN]. To clear the setup screenPress [RETURN] until the setup screen disappears. Changing the settings Basic operations You can decide how to play discs before you start play. Refer to the chart on the following pages and use the operations described below to change the settings. Preparation:Turn the television on and switch its input mode to suit the type of connection you have made (eg., VIDEO 1). PLAY MODE A-B REPEAT REPEATAUTO/MONO DVD/CD TAPEEXTTUNER MUTING BALANCE L –VOLUME+ BALANCE R ANGLEMENUTOP MENU SETUP DISPLAYRETURN ENTER SKIPSLOW/SEARCH SHIFT RETURN 1 2 3, 4, 5 ENTER RETURN SETUPDisc ENTER RETURN SETUPVideo ENTER RETURN SETUPAudio SELECT ENTER RETURN SETUPDisplay Audio Subtitle Menus Ratings English Automatic English 4:3 Pan&ScanAutomatic Level 8 TV Aspect Still Mode Speaker Setting Dolby DigitalMulti-channelDigital Audio OutputOn (RE-MASTER Off) BitstreamDTS Digital Surround D.Range Compression Audio during Search PCM Off On MPEGPCM Menu Language On-Screen MessagesEnglish On PAL 60NTSC Disc Output NoPCM Down Conversion a b c d SELECTSELECT SELECT SELECT ENTER RETURN SETUPOthers DVD-Video ModeOff e ExampleA
PCMBitstream On Off Off On Settings 42 RQT6523 Reference Summary of settings Disc Video AudioAudio Subtitle Menus Still ModeEnglish Spanish French Original German Other ∗∗∗∗(apage 49) Italian Automatic Italian English Spanish French Other ∗∗∗∗(apage 49) German English Italian French Spanish German Other ∗∗∗∗(apage 49) Level 8 (all DVDs can be played) to Level 0 (play of all DVDs is prohibited) You must also set a password if you change the rating to any level other than “8”. 4:3 Pan & Scan 4:3 Letterbox 16:9 Items AutomaticField Frame NTSC Disc Output PAL 60 NTSC Options This chart shows the settings for this unit. Underlined items are the factory settings. The menu and on-screen message language has been factory preset to English. You can change the language by going to “Menu Language” in Display and selecting the preferred language. See page 41 for details on menu operation. Speaker Setting Ratings TV Aspect Menu Delay time Center speaker: 0 ms/1.3 ms/2.6 ms/3.9 ms/5.3 ms Surround speaker: 0 ms/5.3 ms/10.6 ms/15.9 ms Digital Audio Output On (RE-MASTER Off) On (RE-MASTER On) Off Channel balance Center speaker/Surround speaker/Subwoofer: 0 to ± 6 dB PCM Down Conversion NoYes Dolby DigitalBitstream PCM DTS Digital Surround MPEG PCM Bitstream D. Range Compression Audio during Search DisplayEnglishItaliano Français Español Deutsch Menu Language On-screen Messages On Off OthersDVD-Video mode OffOn
43 RQT6523 Reference Setting details Set a ratings level for playing DVD (apage 44). The DVDs must have ratings levels recorded on them for this feature to be effective. Level 8: All DVD can be played. Level 7 to level 1: Prohibits play of DVD with ratings recorded on them. Level 0: Prohibits play of all DVD. Select the soundtrack language. Some discs are designed to start in a certain language despite any changes you make here. Select the subtitle language. Some discs are designed to start in a certain language despite any changes you make here. Select the language for the title menu and other menus shown by the disc. Select the language used for menus and messages the unit displays on the television (including these menus). Choose whether to show the on-screen messages that appear on the television when you perform operations. Set the delay time for your center and surround speakers (apage 45). Select a picture type for when the picture is paused (apage 50). Field: Field stills are shown which are less blurred. Frame: Frame stills are shown which are sharper. Select whether to have sound on or off during the first level of fast forward. Select whether to have dynamic range compression on or off during play of Dolby Digital software. Dynamic range is the difference between the loudest sound and the softest sound. By compressing this range, you can listen at low volume but still enjoy clear dialogue. Select whether PAL 60 signals or NTSC signals will be output during playback of NTSC discs. Changes to the settings remain intact after the unit is turned off. Do the setting procedures again to restore to the original settings. Use the test signal to adjust the volume balance of your speakers (apage 45). Select whether to output digital signals or not, and whether digital signals are affected by the re-master settings. On (RE-MASTER Off):Digital signals are output. The re-master settings (apage 25) do not affect this output. On (RE-MASTER On):Digital signals are output. The re-master settings (apage 25) are effective. The equipment you connected will be unable to output audio when the re-master circuit is functioning if it cannot handle digital signals with sampling frequencies of 88.2 kHz or more. Off: Digital signals are not output. RE-MASTER is only effective on the audio signals from CDs. Change to suit your television (apage 15). Select how to output the audio signals on discs that do not have copyright protection (apage 47). Select the types of digital signals to be output from the DIGITAL OPTICAL OUT terminal. When recording to MDs and other digital equipment /PCM When outputting to a decoder /Bitstream Off : DVD-Audio discs are played as DVD-Audio discs. On : DVD-Audio discs are played in a similar fashion to DVD-Video discs. The setting reverts to “Off” if the disc tray is opened or the unit is off.
Settings 44 RQT6523 Reference SELECT ENTER RETURN SETUPRLC LSRS OmsOdB OdBOmsOdB OdBSWExit Test (LS) (RS) Exit Test signalCenter speakerSubwoofer Surround speakers A If you enter the wrong number while entering your passwordPress [CANCEL]. Ratings To set a ratings level Go to “Ratings”, select a level between 7 and 0, press [ENTER]. 1 Press the numbered buttons on the remote control to enter a four-digit password. 2 Press [ENTER] twice. Do not forget your password. Note To change the setting After you have set the level to a level between 7 and 0, use the following operation to change the setting. 1 Select “Ratings” and press [ENTER]. 2 Enter your four-digit password with the numbered buttons and press [ENTER]. 3 Press the cursor buttons (e or r) to select the item you want to change and press [ENTER]. ¡Unlock Player (the rating level returns to 8)¡Change Password¡Change Level¡Temporary Unlock Follow the instructions on the screen to make changes. Ratings Enter a 4-digit password, then press ENTER. Password∗ ∗ ∗ ∗ SLEEPCLOCK/ TIMER PLAY MODE A-B REPEAT REPEATAUTO/MONO DVD/CD TAPEEXTTUNER MUTING BALANCE L –VOLUME+ BALANCE R CANCEL 123 456 ≥10/-/-- 7890 SUB TITLEAUDIO ANGLEMENUTOP MENU SETUP DISPLAYRETURN ENTER SKIPSLOW/SEARCH SHIFT GROUP PAG E AUDIO ONLY we r ENTER q CANCEL 1–0, ≥10/-/-- Now, when you insert a DVD-Video that exceeds the ratings limit you set, a message appears on the television. Follow the on-screen instructions.
45 RQT6523 Reference Speaker settings Refer to “Changing the settings” (\page 41). You can enjoy multi-channel audio from DVDs without doing these settings. Change them to improve the effect or when you connect a subwoofer. Channel balance 1 Press the cursor buttons (werq) to select “Test” and press [ENTER]. A test signal is output in the following order: L /C /R /RS /LS 2 Press the cursor buttons (eor r) to adjust the level while the speaker is outputting the signal. 3 Press [ENTER] to stop the test signal. To adjust subwoofer outputAfter playing a source to determine the approximate level, stop play and return to this screen to adjust the level to your taste. , A Adjust the balance of the center and surround speakers using the test signal so that they are the same apparent level as the front speakers when you are sitting where you would normally enjoy a source. First adjust the unit’s volume to the level normally used. Speakers Icon O dBCenter Surround (LS) Surround (RS) Subwoofer Delay time 1 Press the cursor buttons (werq) to select the delay time box you want to adjust and press [ENTER]. 2 Press the cursor buttons (e or r) to change the setting. (Refer to “Calculating delay time” below) 3 Press [ENTER]. Calculating delay timeCenter speakerIf DFis less than or equal to DC, then set the delay time to 0 ms. If DFis greater than DC, then set the delay time as follows. Difference between DFand DSDelay time 200 cm 5.3 ms 400 cm 10.6 ms 600 cm 15.9 ms Changing the delay time allows you to make up for differences in distance between the speakers and the listening position. Speakers Icon O msCenter Surround (LS/RS) Surround speakersIf DFis less than or equal to DS, then set the delay time to 0 ms. If DFis greater than DS, then set the delay time as follows. DF DS DC Front speaker Surround speaker Ideal center speaker position Ideal surround speaker position When you have finished changing the settings Press the cursor buttons to select “Exit” and press [ENTER]. Center speaker When playing DVD-Audio, software settings may override any settings you change here. Note Difference between DFand DCDelay time 50 cm 1.3 ms 100 cm 2.6 ms 150 cm 3.9 ms 200 cm 5.3 ms
Using other equipment 46 RQT6523 Reference 1Turn [INPUT SELECTOR] to select EXT mode. Each time you turn [INPUT SELECTOR]: TUNER –DVD –TAPE –EXT On the remote control Press [EXT]. 2Operate the unit.See the unit’s manual for details on operation and connection. Analogue connectionA q q Turn [INPUT SELECTOR] to select EXT mode. w w Select Dolby NR and reverse mode. e e Press [*REC PAUSE]. r r Press [w] or [q] to start recording. t t Start the source to be recorded. See the unit’s manual for details on operation and connection. To stop recording Press [g] on the deck. A EXT INAUDIO OUTPUT (L) (R)(L) (R) B PLAY MODE A-B REPEAT REPEATAUTO/MONO DVD/CD TAPEEXTTUNER MUTING BALANCE L –VOLUME+ BALANCE R 1 SETUP DISPLAYRETURN SKIPSLOW/SEARCH SHIFT EXT g11 234 C DIGITAL OPTICAL INDIGITAL OPTICAL OUT D SLEEPCLOCK/ TIMER AUTO/MONO DVD/CD TAPEEXTTUNER CANCEL 123 456 ≥10/-/-- 7890 SUB TITLEAUDIO ANGLEMENUTOP MENU SETUP DISPLAYRETURN ENTER GROUP PAG E AUDIO ONLY q we r ENTER Playing an external sourceB ¡Turn off the power to all units before making connections.¡Refer to the manual of the other unit for details. (Cables and equipment not included.) Connect other equipment to the EXT IN terminals to output sound through this unit’s speakers or to record onto the cassette deck. You will need a phono equalizer if you connect a record player. Recording an external source to this unit’s tape deckB Digital connectionC Use an optical fiber cable to connect other digital recording equipment to DIGITAL OPTICAL OUT on the back of the DVD player. This connection enables you to make digital recordings. Connecting an optical fiber cableThe DIGITAL OPTICAL OUT terminal has a dust cover. The cover opens when you plug in the cable. Recording discs to other digital equipment Change the Digital output settings before recording (\ \page 47).PCM Down Conversion: Yes Dolby Digital: PCM DTS Digital surround: PCM MPEG: PCM Digital Audio output: On (RE-MASTER Off) Start recording on the external unit and start playing the disc to be recorded. ¡Some discs cannot be recorded digitally.¡When playing DVD-Audio and “D.MIX” is flashing on the display, only the sound for the front speakers is recorded. Note TunerMD deck, record player, etc. Stereo phono cable (not included) White (L) Red (R) DVD playerDigital recording equipment (e.g., MD deck) Optical fiber cable (not included)
Setting No ∗1Yes Output as isOn (RE-MASTER On)∗2 On (RE-MASTER Off) ∗3 Down- sampled to 48 kHz or 44.1 kHz No YesEquipment (Able to handle 88.2 kHz or more)Audio outputDigital Audio Output setting 47 RQT6523 Reference Digital output settingsD Caution for the digital optical output terminal:Ensure Dolby Digital, DTS and MPEG are set to “PCM” if you connect this unit to a digital amplifier without a decoder. If the signals are output as bitstream, “noise” will be output, which can harm your ears and speakers. Optional antenna connections FM outdoor antenna ¡Disconnect the FM indoor antenna. ¡The antenna should be installed by a competent technician. Note Use outdoor antennas if radio reception is poor. AM outdoor antenna PCM Down Conversion Run a piece of vinyl wire horizontally across a window or other convenient location. ¡Leave the loop antenna connected. ¡Disconnect the antenna when the unit is not in use. Do not use the antenna during an electrical storm. Note 5-12 mTunerAM outdoor antenna FM outdoor antennaTuner 75 Ωcoaxial cable (not included) Use the antenna plug adapter (included) Select how to output the high-quality audio signals (sampling frequencies of 96 kHz and 88.2 kHz) on discs that do not have copyright protection. Choose the settings to suit the equipment you have connected. ∗1 The equipment cannot output signals of 88.2 kHz or more if the setting is “No” and the equipment is unable to handle these signals. ∗2 This setting allows the re-master settings (\page 43) to work on the digital signals from CDs. ∗3 Choose this setting when you have connected equipment that cannot handle signals of 88.2 kHz or more, as the equipment will be unable to output audio when the re-master circuit is functioning. Signals are down-sampled to either 48 kHz or 44.1 kHz despite the above settings if they have a sampling frequency of 176.4 kHz or more or are copyright protected. Note Dolby Digital, DTS Digital surround and MPEG Bitstream(Factory preset for Dolby Digital) Select if the equipment you connected can decode the signal. PCM(Factory preset for DTS Digital surround and MPEG) Select if the equipment you connected cannot decode the signal. 1 Go to the Audio menu.(\page 41–42) 2 Press the cursor buttons (eor r) to select the item and press [ENTER]. 3 Press the cursor buttons (eor r) to select the option and press [ENTER]. Change these settings if you have connected this unit to another piece of equipment through DIGITAL OPTICAL OUT.
“F61” is displayed.There is a problem with the amplifier. Consult your dealer. Troubleshooting guide 48 RQT6523 Reference Before requesting service, make the below checks. If you can’t fix the system as described below, or if something not listed here occurs, refer to the enclosed directory to locate an Authorized Service Center convenient to you or contact your dealer. Reference pages are shown as black circled numbers. i Common problems Cannot adjust the bass or treble. No sound. Sounds unfixed, reversed or come from one speaker only. Noise is heard. “ERROR” is displayed. “U70” is displayed. No power. The clock isn’t displayed. The timers don’t work. No sound or distorted sound. Turn the volume up. The speaker cords may be shorted. Turn the unit off, check and correct the connections and turn the unit on. i This unit cannot play DVD-Audio if the tracks are recorded using non-standard methods (”ERROR” appears next to the group and track numbers). Check the speaker connections. i Separate the AC mains lead from the surround cable. The unit’s other cords should also be kept away from AC mains leads, fluorescent lights and other appliances. If possible in your area, turn the AC mains lead’s plug or connector over to reverse the lead’s polarity. This can improve the sound quality. Incorrect operation performed. Read the instructions and try again. “D.MIX ”flashes on the unit’s display.This indicates that the multiple-channel DVD-Audio track being played cannot be down-mixed to 2 channels. With these tracks, you will not hear the sound intended for the center and surround channels when listening through headphones or recording to cassettes. Read the discs instructions for details (there may also be a stereo version). Connect the flat cables firmly. If “U70” remains on the display, contact the dealer. The clock is displayed for about five seconds when you press [CLOCK/TIMER]. !4 The play and record timers do not work if the unit is on. #8#9 Ensure the indicator for the timer is on before you turn the unit off. The display is wrong or play won’t start. The DVD player Disc is dirty. Wipe the disc clean.“CHECK THE DISC” appears from the television screen. A problem has occurred. Turn the unit off then on again. Consult your dealer if the display isn’t cleared.“H” and a number is displayed. NO PLAY Check the settings and connections on the television. !5 Video signals are not output if the AUDIO ONLY feature is on. @5 No video or the size of the picture is unusual. Picture is disrupted. Some discs prohibit certain operations. Turn the unit off then on again. The unit doesn’t respond when buttons are pressed. Play fails to start or stops soon after starting. You have forgotten your ratings password. Reset the unit to its original factory settings.Do the following to restore the unit to the condition it was in at the time of shipment. This clears the ratings settings. While pressing [ g] on the DVD player, press and hold [≥10/-/--] on the remote control until the message “Initialized” disappears from the television screen. Depending on the type of television you have connected, the picture may be distorted if: 1) You switched the source from DVD to another source. 2) You turned AUDIO ONLY on or off. 3) You paused play or skipped tracks while AUDIO ONLY was on. 4) You pressed [q] to start play of a disc while another source was selected. Ensure the AC mains lead and flat cables are connected correctly. i!0 Check all connections. Check the speaker settings and digital audio output settings. $5 $7 Turn V.S.S. off. @5 Due to the specifications on some types of televisions, both video and audio may be cut off when you turn the AUDIO ONLY feature on. You cannot adjust the tone while CINEMA BASS or VGCA is on. Turn them off. #6 You have inserted a disc that this unit cannot play. r The DVD-Video exceeds the ratings level you have set. Unlock the player. $4 You can only play DVD if their region number is “2” ,“ALL” or multiple region number including “2” .y This unit cannot play discs other than those specified. Clean the disc if it is dirty. y Ensure the label is facing up. !6 The disc may be upside down. !6 Wipe the disc. Replace the disc if it is scratched, warped, or nonstandard. y Condensation may have formed in the player due to a sudden change in temperature. Wait about an hour for it to clear and try again.
49 RQT6523 Reference Listening to the radio Noise is heard. The stereo indicator flickers or doesn’t light. Sound is distorted. A beat sound is heard.Turn the TV off or separate it from the unit. A low hum is heard during AM broadcasts.Separate the antenna from other cables and leads. The correct AM frequency can’t be tuned in.Change the frequency step. Hold [FM/AM] down for 10 seconds to change the step to 9 kHz. The cassette deck Poor quality sound. Recording is not possible.If the erasure prevention tabs have been removed, cover the holes with adhesive tape. #3 During CD editing “NO TAPE” is displayed.Load a cassette. #1 “CHANGE TAPE” is displayed. The remote control The remote control doesn’t work.Check the batteries are inserted correctly. y Replace the batteries if they are worn. All components are required to service the system. If service is ever necessary, bring the entire system. If the erasure prevention tabs have been removed, cover the holes with adhesive tape. #3 Use an outdoor antenna. $7 Clean the heads. Check the Dolby NR setting. #1 Language code list 6565: Afar 6566: Abkhazian 6570: Afrikaans 6577: Ameharic 6582: Arabic 6583: Assamese 6588: Aymara 6590: Azerbaijani 6665: Bashkir 6669: Byelorussian 6671: Bulgarian 6672: Bihari 6678: Bengali; Bangla 6679: Tibetan 6682: Breton 6765: Catalan 6779: Corsican 6783: Czech 6789: Welsh 6865: Danish 6869: German 6890: Bhutani 6976: Greek 6978: English 6979: Esperanto 6983: Spanish6984: Estonian 6985: Basque 7065: Persian 7073: Finnish 7074: Fiji 7079: Faroese 7082: French 7089: Frisian 7165: Irish 7168: Scots Gaelic 7176: Galician 7178: Guarani 7185: Gujarati 7265: Hausa 7273: Hindi 7282: Croatian 7285: Hungarian 7289: Armenian 7365: Interlingua 7378: Indonesian 7383: Icelandic 7384: Italian 7387: Hebrew 7465: Japanese 7473: Yiddish 7487: Javanese7565: Georgian 7575: Kazakh 7576: Greenlandic 7577: Cambodian 7578: Kannada 7579: Korean 7583: Kashmiri 7585: Kurdish 7589: Kirghiz 7665: Latin 7678: Lingala 7679: Laotian 7684: Lithuanian 7686: Latvian, Lettish 7771: Malagasy 7773: Maori 7775: Macedonian 7776: Malayalam 7778: Mongolian 7779: Moldavian 7782: Marathi 7783: Malay 7784: Maltese 7789: Burmese 7865: Nauru 7869: Nepali7876: Dutch 7879: Norwegian 7982: Oriya 8065: Punjabi 8076: Polish 8083: Pashto, Pushto 8084: Portuguese 8185: Quechua 8277: Rhaeto- Romance 8279: Romanian 8285: Russian 8365: Sanskrit 8368: Sindhi 8372: Serbo- Croatian 8373: Singhalese 8375: Slovak 8376: Slovenian 8377: Samoan 8378: Shona 8379: Somali 8381: Albanian 8382: Serbian 8385: Sundanese 8386: Swedish 8387: Swahili 8465: Tamil8469: Telugu 8471: Tajik 8472: Thai 8473: Tigrinya 8475: Turkmen 8476: Tagalog 8479: Tonga 8482: Turkish 8484: Tatar 8487: Twi 8575: Ukrainian 8582: Urdu 8590: Uzbek 8673: Vietnamese 8679: Volapük 8779: Wolof 8872: Xhosa 8979: Yoruba 9072: Chinese 9085: Zulu Maintenance If the surfaces are dirty To clean this unit, wipe with a soft, dry cloth. ¡Never use alcohol, paint thinner or benzine to clean this unit. ¡Before using chemically treated cloth, read the instructions that came with the cloth carefully. For a cleaner crisper sound Clean the heads regularly to assure good quality playback and recording. Use a cleaning tape (not included).
50 RQT6523 Reference Glossary FrameFrames are the still pictures that go together to make a moving picture. There are about thirty frames shown each second. FieldOne frame is made up of two fields. A regular television shows these fields one after the other to create frames. Frame still and field stillA still is shown when you pause a moving picture. A frame still is made up of two alternating fields, so the picture may appear blurred, but overall quality is high. A field still is not blurred, but it has only half the information of a frame still so picture quality is lower. I/P/BMPEG 2, the video compression standard adopted for use with DVD, codes frames using these three picture types. I: Intra coded picture (I-picture) This is the standard picture and is a complete picture in itself. This means it has the best picture quality and is the best to use when adjusting the picture. P: Predictive coded picture (P-picture) This picture is calculated based on past I and P-pictures. B: Bidirectionally-predictive coded picture (B-picture) This picture is calculated by comparing past and future I and P- pictures so it has the lowest volume of information. Video DecoderA decoder restores the coded audio signals on DVDs to normal. This is called decoding. Dolby DigitalThis is a method of coding digital signals developed by Dolby Laboratories. The signals are highly compressed, enabling a large amount of information to be recorded on one disc. Digital Theater Systems (DTS) Digital SurroundThis is a method of coding digital signals developed by Digital Theater Systems. The signals are compressed at a low ratio to maintain sound quality. Sampling frequencyThis is the number of samples of sound taken per second during conversion to a digital signal. Sampling frequency is expressed in kilohertz (kHz). A high sampling frequency results in a sound close to the original when played back. Linear PCM (pulse code modulation) PCM is the usual digital method used for music CDs. DVDs have a greater volume so they use linear PCM, which has a higher sampling rate. The compressed version of this is called Packed PCM (PPCM). BitstreamThis is the digital form of multiple channel audio data (e.g., 5.1 channel) before it is decoded into its various channels. Digital audio TrackThis is the smallest division on DVD-Audio, CDs and Video CDs and usually equates to a single song. ChapterThis is the smallest division on DVD-Video and is roughly equivalent to a track. GroupThe tracks on DVD-Audio are divided up into groups. The method of grouping depends on the disc. TitleThis is the largest division on DVD-Video. Playback control (PBC)This method of controlling disc play is included on version 2.0 Video CDs. You are able to interact with the disc through menus. MP3MP3 refers to the type of music file that is compressed using MPEG 1 audio layer 3. A method of compressing audio, MPEG Audio Layer 3 (MP3) allows audio to be reduced to up to one tenth its original size without overtly hurting audio quality. Other This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intellectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must be authorized by Macrovision Corporation, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation. Reverse engineering or disassembly is prohibited. Manufactured under license from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories. Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942, 5,956,674, 5,974,380, 5,978,762 and other world-wide patents issued and pending. “DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater Systems, Inc. c1996, 2000 Digital Theater Systems, Inc. All rights reserved. THIS UNIT IS INTENDED FOR USE IN MODERATE CLIMATES. CAUTION! ¡DO NOT INSTALL, OR PLACE THIS UNIT, IN A BOOKCASE, BUILT-IN CABINET OR IN ANOTHER CONFINED SPACE. ENSURE THE UNIT IS WELL VENTILATED. TO PREVENT RISK OF ELECTRIC SHOCK OR FIRE HAZARD DUE TO OVERHEATING, ENSURE THAT CURTAINS AND ANY OTHER MATERIALS DO NOT OBSTRUCT THE VENTILATION VENTS. ¡DO NOT OBSTRUCT THE UNIT’S VENTILATION OPENINGS WITH NEWSPAPERS, TABLECLOTHS, CURTAINS, AND SIMILAR ITEMS. ¡DO NOT PLACE SOURCES OF NAKED FLAMES, SUCH AS LIGHTED CANDLES, ON THE UNIT. ¡DISPOSE OF BATTERIES IN AN ENVIRONMENTALLY FRIENDLY MANNER. This product may receive radio interference caused by mobile telephones during use. If such interference is apparent, please increase separation between the product and the mobile telephone.