Samsung DVD-HR737 Instruction Manual page 7

Do not use the following discs!
• LD, CD-G, CD-I, CD-ROM and DVD-ROM discs
should not be used in this product.
[Note]
Disc types that can be played : CD/CD-R/-RW/
MP3/JPEG/DVD-Video/DVD-RAM/-RW-R.
For a DVD-RW/-R disc, which has been recorded in
Video Mode on another component, it can play only
when finalised.
• Some commercial discs and DVD discs purchased
outside your region may not be playable with this
product. When these discs are played, either "No
disc." or "Please check the regional code of the disc."
will be displayed.
• If your DVD-RW disc is an illegal copy or is not in DVD
video format, it may also not be playable.
Disc compatibility
• High Speed Recording discs can be used in this unit.
• Not all brands of discs will be compatible with this
unit.
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