Unplayable discs, Region number, Recording medium and format – JVC SR-MV40U User Manual
Page 9: File structure of discs

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Filename [SR-MV40U_04DiscInfo.fm]
Page 9
March 13, 2006 11:41 am
DISC INFORMATION
● DVD-AUDIO discs compatible with DVD video players can be played.
● Super Audio CDs (SACD) compatible with conventional CD players
can be played.
Unplayable Discs
The following types of discs cannot be played using this unit.
Do not attempt to play back any kind of disc that is damaged 
(cracked, warped, or repaired with adhesive tape) or discs in 
unusual shapes (heart-shaped, octagonal, or other forms). If such 
discs are accidentally played back, it may cause noise that can 
lead to speaker damage.
● CD-ROM discs (including PHOTO-CD and CD-G)
● Discs recorded in Packet Write (UDF) format.
● Super Video CDs (SVCD)
● 1.3-GB double density CDs (DDCD)
● High density CDs (HDCD)
The following discs also cannot be played back.
● Discs of a region number other than “1”
● DVD-RAM (2.6 GB/5.2 GB)
● DVD-RAM (TYPE1)
Region Number
The world is divided into 6 regions for DVD VIDEO discs. 
DVD VIDEO discs are assigned a region number to indicate which 
region they may be played back in. A disc cannot be played back 
on this unit unless the region number of the disc matches that of 
the unit. The region number for this unit is “1”. Only discs whose 
region number includes “1” or “ALL” can be played back such as 
shown below.
Examples of DVD VIDEO labels which can be played back 
using this unit.
Marks of discs in this instruction manual
Recording Medium And Format
DVD-RAM
● Recording and erasing can be performed as many times as possible
on a disc.
● Editing can be performed after recording, such as deleting unwanted
parts.
● While recording, it is possible not only to start playback of a program
currently being recorded, but also to watch another program 
previously recorded.
DVD-RW (VR mode)
● Recording and erasing can be performed as many times as possible
on a disc.
● Editing can be performed after recording, such as deleting unwanted
parts.
DVD-RW (Video mode)
● Can be played back on other DVD players.
● New recording can be performed by erasing all the data on a disc
once played back.
DVD-R
● Can be played back on other DVD players.
● Suitable when keeping a recorded disc for a long time.
File Structure Of Discs
DVD VIDEO
Typically, DVD VIDEO discs are made up of larger units called 
“titles”. Each title has a number (title number) that can be used to 
select desired titles. Titles are further divided into units called 
“chapters”. Each chapter has a number (chapter number) that can 
also be used to select desired chapters. Note that some discs are 
not divided into titles and chapters.
When you record a program on a DVD-RAM/RW (VR mode) 
disc
A single recording session results in a single title (a single 
chapter). However, chapter marks are automatically inserted when 
recording is paused, or audio changes from monaural to stereo 
due to commercial breaks, etc. It is also possible to insert chapter 
marks at desired locations during playback. (
When you record a program on a DVD-R/RW (Video mode) 
disc
A single recording session results in a single title (a single 
chapter). However, chapter marks are automatically inserted when 
recording is paused, or audio changes due to commercial breaks, 
etc. It is also possible to insert chapter marks at desired locations 
during either recording or playback. Once the disc has been 
finalized, these chapter marks are deleted and new chapter marks 
are assigned automatically approximately every 5 minutes.
● In Video mode, even before finalizing, it is impossible to perform
editing operations other than changing the disc name and/or title 
names and deleting programs and/or titles.
● After finalizing, it is impossible to perform editing operations.
Allows operation with a 
DVD-RAM disc.
Allows operation with a 
Video CD disc.
Allows operation with a 
DVD-R disc.
Allows operation with 
an Audio CD disc.
Allows operation with a 
DVD-RW disc.
Allows operation with a 
disc including MP3 
files.
Allows operation with a 
DVD VIDEO disc.
Allows operation with a 
disc including JPEG 
files.
DVD-RAM, DVD-RW, DVD-R or DVD VIDEO disc
Title 1
Title 2
Chapter 1
Chapter 2
Chapter 3
Chapter 1
Chapter 2
Chapter 3
SR-MV40US.book Page 9 Monday, March 13, 2006 11:41 AM
