User manual JVC KD-AVX2 - Instruction Manual

DVD/CD RECEIVER KD-AVX2 RECEPTOR CON DVD/CD KD-AVX2 RÉCEPTEUR DVD/CD KD-AVX2 EXTRA MONITOR CONTROL MODE ASPECT MENU DVD / RECEIVER CONTROL KD-AVX2 MENU ASPECT A ATT ZOOM +10 SOURCE ­100 BAND ­10 DUAL VOL ASPECT 1 TOP M 2nd VOL 4 5 ENTER 7 SETUP 0 SHIFT DISC­ 8 9 RETURN SURROUND DISC+ 2 DIRECT OSD 3 MENU 6 +100 SRC D DISP 7 / BACK BAND ENT RM-RK240 For canceling the display demonstration, see page 10. Para cancelar la demonstración en pantalla, consulte la página 10. Pour annuler la démonstration des affichages, référez-vous à la page 10. For installation and connections, refer to the separate manual. Para la instalación y las conexiones, refiérase al manual separado. Pour l'installation et les raccordements, se référer au manuel séparé. For customer Use: Enter below the Model No. and Serial No. which are located on the top or bottom of the cabinet. Retain this information for future reference. Model No. Serial No. INSTRUCTIONS MANUAL DE INSTRUCCIONES MANUEL D'INSTRUCTIONS LVT1454-001A [J] FRANÇAIS ESPAÑOL ENGLISH ENGLISH Thank you for purchasing a JVC product. Please read all instructions carefully before operation, to ensure your complete understanding and to obtain the best possible performance from the unit. How to reset your unit This will reset the microcomputer. Your preset adjustments will also be erased. INFORMATION (For U.S.A.) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ­ Reorient or relocate the receiving antenna. ­ Increase the separation between the equipment and receiver. ­ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ­ Consult the dealer or an experienced radio/TV technician for help. How to forcibly eject a disc If a disc cannot be recognized by the receiver or cannot be ejected, ejects the disc as follows. "NO EJECT?" (or "EJECT OK?") and "EMERGENCY EJECT?" appear on the monitor. Press 5 / repeatedly to select "EMERGENCY EJECT?", then press ENT. · If this does not work, reset your receiver. · Be careful not to drop the disc when it ejects. Caution: Changes or modifications not approved by JVC could void the user's authority to operate the equipment. For safety.... · Do not raise the volume level too much, as this will block outside sounds, making driving dangerous. · Stop the car before performing any complicated operations. IMPORTANT FOR LASER PRODUCTS 1. CLASS 1 LASER PRODUCT 2. CAUTION: Do not open the top cover. There are no user serviceable parts inside the unit; leave all servicing to qualified service personnel. 3. CAUTION: Visible and invisible laser radiation when open and interlock failed or defeated. Avoid direct exposure to beam. 2 Temperature inside the car.... If you have parked the car for a long time in hot or cold weather, wait until the temperature in the car becomes normal before operating the unit. WARNINGS: · DO NOT install any receiver in locations where; ­ it may obstruct the steering wheel and gearshift lever operations, as this may result in a traffic accident. ­ it may obstruct the operation of safety devices such as air bags, as this may result in a fatal accident. ­ it may obstruct visibility. · DO NOT operate any receiver while manipulating the steering wheel, as this may result in a traffic accident. · The driver must not watch the monitor while driving. If the driver watches the monitor while driving, it may lead to carelessness and cause an accident. · The driver must not put on the headphones while driving. It is dangerous to shut off the outside sounds while driving. · If you need to operate the receiver while driving, be sure to look ahead carefully or you may be involved in a traffic accident. · If the parking brake is not engaged, "Parking Brake" flashes on the monitor, and no playback picture will be shown. ­ This warning appears only when the parking brake wire is connected to the parking brake system built in the car (refer to the Installation/Connection Manual). Caution on volume setting: Discs produce very little noise compared with other sources. Lower the volume before playing a disc to avoid damaging the speakers by the sudden increase of the output level. Cautions on the monitor: · The monitor built in this receiver has been produced with high precision, but it may have some ineffective dots. This is inevitable and is not malfunction. · Do not expose the monitor to direct sunlight. Characters shown on the monitor The following characters will be used to show the various information on the monitor. · You can also use the following characters to assign titles (see page 41). space space Upper and lower cases This product incorporates copyright protection technology that is protected by U.S. patents and other intellectual property rights. Use of this copyright protection technology must be authorized by Macrovision, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision. Reverse engineering or disassembly is prohibited. space Numbers and symbols 3 ENGLISH Introduction--Playable discs ENGLISH Discs you can play You can play back the following discs--12 cm (4-3/4") and 8 cm (3-3/16")--on this receiver: · DVD Video: Recorded in NTSC color system with Region Code "1" (see below). ­ DVD-R/DVD-RW recorded in the DVDVideo format can also be played. · DVD Audio · Video CD (VCD)/audio CD · MP3/WMA/WAV/JPEG/MPEG1,2: Recorded either in CD-R/CD-RW or DVD-R/DVDRW/+R/+RW/DVD-ROM. ­ CD-R/CD-RW: Compliant with ISO 9660 Level 1, ISO 9660 Level 2, Romeo, and Joliet. ­ DVD-R/DVD-RW/+R/+RW/DVD-ROM: Compliant with UDF-Bridge Format*1. · It is possible to play back finalized +R/+RW (DVD Video format only) discs. However the use of +R double layer disc on this unit is not recommended. · DVD-R recorded in multi-border format is also playable (except for dual layer discs). On some discs, the actual operations may be different from what is explained in this manual. Discs cannot be played back DVD-ROM (data), DVD-RAM, DVD-R/DVDRW recorded in the DVD-VR format, CDROM, CD-I (CD-I Ready), Photo CD, etc. · Playing back these discs will generate noise and damage the speakers. Caution for DualDisc playback · The Non-DVD side of a "DualDisc" does not comply with the "Compact Disc Digital Audio" standard. Therefore, the use of NonDVD side of a DualDisc on this product may not be recommended. *1 A hybrid file system used to provide compatibility with ISO 9660 for accessing any type of files on the disc. (UDF stands for Universal Disk Format.) "DVD Logo" is a trademark of DVD Format/ Logo Licensing Corporation registered in the US, Japan and other countries. Note on Region Code: DVD players and DVD Video discs have their own Region Code numbers. This receiver can only play back DVD discs whose Region Code numbers include "1". Examples: If you insert a DVD Video disc of an incorrect Region Code "Region Error" appears on the monitor on the unit and the disc ejects. "REGION CODE ERROR" also appears on the external monitor. 4 How to read this manual The following methods are used to make the explanations simple and easy-to-understand: · Some related tips and notes are explained in "More about this receiver" (see pages 54 ­ 58). · Button operations are mainly explained with the illustrations as follows: Press briefly. Contents Control panel ............................... 6 Remote controller -- RM-RK240 ....... 7 Getting started............................. 10 Radio operations .......................... 12 Disc operations ............................. 15 Unique disc functions .................... 20 Disc surround playback ................. 22 On-Screen disc operations ............. 24 Other disc operations .................... 28 Dual Zone operations .................... 30 AV Menu settings .......................... 31 Other main functions .................... 41 CD changer operations .................. 42 Satellite radio operations ................. 44 External component operations ......... 49 iPod®/D. player operations ................ 50 Maintenance ................................ 52 Language codes ............................ 53 More about this receiver ............... 54 Troubleshooting ........................... 59 Specifications ............................... 63 ENGLISH 5 Press repeatedly. Press either one. Press and hold until your desired response begins. Press and hold both buttons at the same time. Control panel ENGLISH Parts identification Monitor indications u r Ex.: Source screen on JPEG playback t y 1 2 3 KD-AVX2 MENU i 4 56 ASPECT A 78 SRC D DISP 7 / BACK BAND ENT 9 p q w e 1 (standby/on attenuator) button 2 · +/­ (volume +/­) button · SRC (source) button · DISP (D: display) button 3 Remote Sensor 4 Monitor 5 · 5 (up) / (down) buttons · 4/¢ buttons 6 MENU button 7 ASPECT (A) button 8 (angle) button 9 0 (eject) button p Reset button q · BAND button · BACK button · 7 (stop) button w · ENT (enter) button · 3 (play) button e (control panel release) button 6 Monitor indications r Source indicator t Main display y Clock display Also indicates volume level when adjusting volume. u Status indicators i Alert information area Also indicates volume level bar when adjusting volume. How to detach/attach the control panel Detaching... Attaching... How to change the control panel angle Angle 1 Angle 2 Angle 3 Angle 4 Caution: Do not insert your finger behind the control panel. Remote controller -- RM-RK240 Installing the lithium coin battery (CR2025) Before using the remote controller: · Aim the remote controller directly at the remote sensor on the receiver. Make sure there is no obstacle in between. Remote sensor · Do not expose the remote sensor to strong light (direct sunlight or artificial lighting). 7 ENGLISH Warning: · Do not install any battery other than CR2025 or its equivalent; otherwise, it may explode. · Store the battery in a place where children cannot reach to avoid risk of accidents. · To prevent the battery from over-heating, cracking, or starting a fire: ­ Do not recharge, short, disassemble, or heat the battery or dispose of it in a fire. ­ Do not leave the battery with other metallic materials. ­ Do not poke the battery with tweezers or similar tools. ­ Wrap the battery with tape and insulate when throwing away or saving it. The receiver is equipped with the steering wheel remote control function. · See the Installation/Connection Manual (separate volume) for connection. IMPORTANT: If Dual Zone is activated (see page 30), the remote controller only functions for operating the DVD/CD player. ENGLISH MONITOR CONTROL 1 Monitor control buttons*1 · (standby/on), MODE, ASPECT, MENU, and . DVD/RECEIVER CONTROL 2 (standby/on attenuator) button · Turns on and off the power and also attenuates the sound. 3 SOURCE button · Selects the source. 4 BAND button · Selects the FM/AM/Satellite radio bands. 5 ASPECT button · Change the aspect of the monitor on the unit when playing back DVD, VCD, etc. 6 DUAL button · Activate and deactivate Dual Zone. 7 VOL + / ­ buttons · Adjusts the volume level. · Also function as 2nd VOL +/­ buttons when pressed with SHIFT button. 8 TOP M (menu) button*2 · Display the DVD, DVD Audio, and VCD*3 disc menu. 9 SHIFT button p Basic disc operation buttons*4: 7 (stop), 3 (play), 8 (pause) · 3 (play) also function as ZOOM button when pressed with SHIFT button. q Advanced disc operation/tuner operation buttons*5 For advanced disc operations: · 5/ ­ Select the titles (for DVD), groups (for DVD Audio), or folders (for MP3/ WMA/WAV/JPEG/MPEG). · 4 / ¢ (reverse skip/forward skip) · 1 / ¡ (reverse search/forward search)*6 Main elements and features EXTRA MONITOR CONTROL MODE ASPECT MENU DVD / RECEIVER CONTROL ATT ZOOM +10 SOURCE ­100 BAND ­10 DUAL VOL ASPECT 1 TOP M 2nd VOL 4 5 ENTER 7 SETUP 0 SHIFT DISC­ 8 9 RETURN SURROUND DISC+ 2 DIRECT OSD 3 MENU 6 +100 RM-RK240 * Not used as the SETUP button for this model. 8 For FM/AM tuner operations: · 5/ ­ Changes the preset stations. · 4/¢ ­ Functions to search for stations. Press briefly: auto search Press and hold: manual search For Satellite radio operations: · 5/ ­ Changes the categories. · 4/¢ ­ Changes the channels if pressed briefly. ­ Changes the channels rapidly if pressed and held. For iPod/D. player operations: · 5/ : Pauses/stops or resumes playback. 5: Enters the main menu of iPod/D. player. (Now 5 / /4 / ¢ work as the menu selection buttons)*7 · 4 / ¢ (in menu selecting mode) ­ Selects an item if pressed briefly. (Then, press to confirm the selection.) ­ Skips 10 items at a time if pressed and held. OSD button · Display the on-screen bar. · Also function as the DIRECT button when pressed with SHIFT button. ­ You can directly select titles (for DVD), groups (for DVD Audio) or folders (for MP3/WMA/WAV/MPEG) using the number buttons (see the right column and page 19). MENU button*2 · Display the DVD and VCD*2 disc menu. (Not functions for the DVD Audio disc.) Menu operation buttons*2 · Cursor (% , fi , @ , #) and ENTER · % / fi : Also function as DISC+/­ buttons when the source is "CD-CH". RETURN button*2 y Special function buttons · DVD/VCD: (audio) · DVD: (subtitle), (angle) · Also function as the SURROUND button when pressed with SHIFT button. ­ You can change the surround mode (see page 23). *1 Controllable only if your monitor is one of the JVC monitors -- KV-MR9010 or KV-MH6510. *2 These buttons function as the number buttons when pressed with SHIFT button. *3 Only when PBC is not in use. *4 Not used for CD changer operations. *5 These buttons function as the +10/­10 and +100/­100 buttons when pressed with SHIFT button. *6 Not used for JPEG operations. *7 5: Returns to the previous menu. : Confirms the selection. How to select a number To select a number from 0 ­ 9: w To select a number greater than 9: e r t · +100/­100 buttons used for searching track number greater than 99 (not available for CD/VCD/DVD/DVD audio). 9 ENGLISH Getting started ENGLISH @ Adjust the equalizer as you want. (See pages 38.) Basic operations ~ Y Turn on the power. To drop the volume in a moment (ATT) To restore the sound, press it again. SRC D DISP To turn off the power You cannot select some sources if they are not ready. Canceling demonstration and setting the clock 1 MENU ! 7 / BACK BAND 2 Select "Setup", then, For FM/AM tuner 1 Select "Display", "Demonstration", then "Off" to cancel demonstration. 2 Select "Clock", "Time Set", and go to the next step to set the clock. For SIRIUS radio For XM radio / 3 Set the hour and minute. Adjust the volume. 1 Select "Hour", then adjust the hour. 2 Select "Minute", then adjust the minute. SRC D Volume level indicator 10 4 Finish the procedure. ENT Basic procedure of AV Menu operation You can adjust various settings of the unit from AV Menu. · To call up AV Menu... MENU Ex.: To change the clock from 12 hours to 24 hours, after pressing MENU... Displays remaining time to continue the menu operation Current menu Selected sub menu Select "Setup", Selected item of the sub menu currently selected "Clock", Sub menus · To select an menu item and proceed to the sub menu... Selects a sub menu or a menu item Proceeds to the selected sub menu "12Hours / 24Hours", then "24Hours". ENT Back to previous menu · To go back to the previous screen and adjust other items... 7 / BACK BAND · To cancel menu operations and return to the source screen, press DISP (D). · See pages 31 ­ 40 for information of the sub menus and menu items. 11 ENGLISH · See the example on "Basic procedure of AV Menu operation" below to change the clock from 12 hours to 24 hours. Radio operations ENGLISH When an FM stereo broadcast is hard to receive 1 MENU DISP ~ Y 7 / BACK BAND SRC D TUNER (FM1/2/3,AM) 2 Select "Mode", "Mono", then "On". Selected band appears. 3 Finish the procedure. ENT Lights up when receiving an FM stereo broadcast with sufficient signal strength. Lights up when monaural mode is activated. ! Start searching for a station. Reception improves, but stereo effect will be lost. To restore the stereo effect, repeat the same procedure to set "Mono" to "Off". The MO indicator goes off. When a station is received, searching stops. To stop searching, press the same button again. To tune in strong-signal FM station only 1 MENU To tune in to a station manually In step ! above.... 1 2 Select "Mode", "DX / Local", then "Local". 2 Select the desired station frequencies. 12 3 Finish the procedure. ENT Manual presetting After tuning in the station you want to preset... 1 Lights up when "Local" mode is activated. MENU 2 Select "List", then a preset number Only stations with sufficient signal strength will be detected. To tune in to all receivable stations, repeat the same procedure to set "DX / Local" to "DX". The LO indicator goes off and the DX indicator lights up. (1­6) you want to store the station into. Storing stations in memory You can preset six stations for each band. EX.: Storing 92.5 MHz into preset number 4 of FM1 FM station automatic presetting-- SSM (Strong-station Sequential Memory) After selecting the FM band (FM1 ­ FM3) you want... · You can also display the list by pressing and holding 5/ buttons. 1 MENU 3 ENT 2 Select "Mode", then "SSM". Stored preset number flashes for a while. 3 ENT How to exit from menus or lists SRC D DISP "SSM" is shown until automatic presetting is over. Local FM stations with the strongest signals are searched and stored automatically in the FM band. Menu or list operations are canceled and the screen returns to the source screen. 13 ENGLISH Listening to a preset station ENGLISH 1 SRC D DISP · You can change the preset list between FM1/2/3 by pressing and holding 5/ buttons (or by pressing 5/ buttons repeatedly) when selecting any of the FM bands. TUNER (FM1/2/3,AM) 3 ENT 2 7 / BACK BAND When using the remote controller... 3 Select a preset station (1 ­ 6) you want. or When using the list screen... After step 2 above... 1 MENU 2 Select "List", then a preset number (1­6) you want. 14 Disc operations Playing a disc in the receiver The disc type is automatically detected, and playback starts automatically (for DVD Video/ Audio: automatic start depends on its internal program). If the current disc is an audio CD, CD Text, MP3/WMA/WAV, JPEG, MPEG, or VCD without PBC, all tracks will be played repeatedly until you change the source or eject the disc. · If a title list or disc menu appears while playing a DVD Video/Audio or VCD with PBC, see "Disc menu operations" on page 21. The following marks are used to indicate the playable discs... DVD Audio DVD Video DVD Audio Video CD with/without PBC MPEG Video CD with PBC only MPEG disc MP3 WMA WAV JPEG JPEG disc Audio CD/ CD Text MP3/WMA/WAV disc All discs listed here Before performing any operations, make sure the following... · The operations explained on pages 17 ­ 22 are mainly of the remote controller. ­ shows functions which you can also use on the unit. To eject a disc If " " appears on the monitor when pressing a button, the receiver cannot accept an operation you have tried to do. · In some cases, without showing " ", operations will not be accepted. 15 ENGLISH · When inserting a DVD video/DVD Audio disc: Video/picture playback starts automatically on the monitor when the parking brake is applied. · The screen such as below appears when pressing DISP (D). When an DVD is playing back Format indication Surround/Sound indication Elapsed playing time Current chapter number Current title number When a DVD Audio disc is playing back Current group/ track numbers Bonus group indicator B.S.P. (browsable still pictures) indicator ENGLISH · When inserting an MP3/WMA/WAV/JPEG/ MPEG disc*2: After showing the total folder and file number... Ex.: When an WAV file is detected Current folder/track number Format indication Elapsed playing time*3 Current folder name Current track name *2 When playing back a JPEG/MPEG disc, press DISP (D) to display the screen. (Picture/video playback is automatically starts when the parking brake is applied.) *3 Does not appear for JPEG disc. · When inserting a CD Text/audio CD: After showing the total track number and total playing time... Current track number · To return to playback, press DISP (D) again. · When inserting a VCD: VCD playback starts automatically on the monitor when the parking brake is applied. · The screen such as below appears when pressing DISP (D). PBC indicator*1 Elapsed playing time Current track number *4 Elapsed playing time *4 Disc title/performer and track title are displayed when playing a CD Text. *1 Appears when the PBC function is in use. · To return to playback , press DISP (D) again. 16 Basic operations Operations To stop playback 7 / BACK BAND Monitor indication and/or next operation When you start playback again, playback starts from where it has been stopped (Resume play). ENT To stop play temporarily Playback is paused. A still picture appears. A Frame by frame playback MPEG B Slow motion playback · No sound comes out during Slow Motion Playback. · When playing a VCD, Reverse Slow Motion Playback is prohibited. To resume normal play: To replay the previous scenes--One Touch Replay ENT The playback position moves back about 10 seconds before the current position. · This function works only within the same title. · For some DVDs, this function does not work. · During play, on-screen guide icons appear on the monitor for a while (see page 58). 17 ENGLISH To go to the next or previous chapters/tracks ENGLISH · For DVD: During play or pause To locate a particular title/group/ chapter/track directly · For DVD Video/DVD Audio: During play or pause--select a chapter/ track. During stop--select a title/group. · For MP3/WMA/WAV/JPEG/MPEG: Select a track within the same folder. Select the number corresponding to the item you want (see page 9). To fast-forward or reverse the chapter/track While playing back... To locate a title/group/folder MP3 WMA WAV DVD Audio MP3 WMA WAV DVD MPEG Audio MPEG JPEG * The search speed changes to x2 ] x10 (¡ (1) 1/2 for MPEG), but the information shown on the monitor is only for DVD/VCD/ MPEG. To forward or reverse search the chapter/track While playing back... MP3 WMA WAV Audio DVD MPEG The information shown is only for DVD/VCD: * The search speed of an MPEG file is 3 steps ­ ¡ (1) 1/2/3. · To resume normal speed 18 To locate a particular title/ group/folder DVD Audio MP3 WMA WAV To skip to the next or previous scene You can skip the scene back and forward by 5 minutes. MPEG MPEG JPEG Within 10 seconds, press the number buttons (see page 9). Ex.: when you are playing a 24-minute MPEG file and the elapsed playing time is 8'24"... Current playback position IMPORTANT: · For MP3/WMA/WAV discs: It is required that folders are assigned with 2-digit number at the beginning of their folder names--01, 02, 03, and so on. To adjust the screen shape on the unit ASPECT · The first pressing of the buttons skips the scene to the nearest multiple-of-5 playing time (except current playing time). · This function does not work when remaining time to skip forward or back is under 5 minutes. DVD Audio ASPECT A MPEG JPEG · See "Aspect" on page 33 for the detail. 19 ENGLISH Unique disc functions ENGLISH Selecting subtitles You can select the language of the subtitle to be shown on the monitor. · You can set the initial subtitle language using the AV Menu (see page 34). Selecting audio languages For DVD: You can select the language to listen to if the disc has multiple audio languages. 1/3 ENGLISH 1/3 1/3 ENGLISH 1/3 ENGLISH Ex.: When the disc has 3 options ENGLISH Ex.: When the disc has 3 options For VCD: You can select the audio channel to play. (This is convenient when playing a Karaoke VCD.) · For some DVDs and VCDs, changing the subtitle language, audio language (or audio channel) without using the disc menu is prohibited. Selecting multi-angle views You can view the same scene at different angles if the disc has multi-angle views. ST ST 1/3 1 1/3 ST: To listen to normal stereo (left/right) playback. L: R: To listen to the L (left) audio channel. 1/3 1 1/3 2 To listen to the R (right) audio channel. 1 1/3 3 Ex.: When the disc has 3 multi-angle views 20 Disc menu operations Menu-driven playback is possible while playing back a DVD with menu-driven features or a VCD with the PBC (PlayBack Control). Canceling the PBC playback 1 While playing a DVD 1 DVD DVD Audio DVD Audio 2 Select a track to start normal playback using the number buttons (see page 9). To resume the PBC function A title list or disc menu will appear on the monitor. Zoom in DVD Audio 2 Select the item you want on the menu. 1 JPEG MPEG Selected item starts playback. · On some discs, you can also select items by their numbers. ZOOM 1 ZOOM OFF ZOOM 2 ZOOM 6 ZOOM 3 ZOOM 4 ZOOM 5 While playing a VCD · When a list of items is displayed on the monitor. For JPEG disc (effective only when pausing): ZOOM 1 ZOOM OFF ZOOM 2 2 Move the zoomed-in position. · To select a number greater than 9, see "How to select a number" on page 9. To return to the previous menus · For JPEG files: You cannot move the zoomed-in position when the entire picture is still displayed on the monitor. To cancel zoom, select "ZOOM OFF" in step 1. 21 ENGLISH Playing back a bonus group ENGLISH Some DVD Audio discs have a special DVD group called "bonus group" whose Audio contents are not open to the public. · To play back a bonus group, you have to enter the specific "key number" (a kind of password) for the bonus group. The way of getting the key number depends on the disc. Selecting Browsable still pictures While playing back a track linked to browsable still pictures (B.S.P.), you can DVD Audio select (turn the page) the still picture to be shown on the monitor. · If a track is linked to B.S.P., they are usually shown in turn automatically during playback. 1 Select the bonus group. · The bonus group is usually recorded as the last group (for example, if a disc contains four groups including a bonus group, "group 4" is the bonus group. Disc surround playback You can enjoy multichannel surround playback of the disc on the unit.