Dvd player basics, Invalid operation symbol, Supported disc types – Gateway AD-520 User Manual
Page 36: Invalid operation symbol supported disc types
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Chapter 3: Using the DVD Player
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DVD player basics
Invalid operation symbol
If you press a button on the player and the player does not respond, the
icon
may appear on the television screen to indicate an invalid operation. An invalid
operation may occur if:
■
The button you pressed cannot be used in the current player mode.
■
The region code number of the player is different from that of the DVD
disc and playback is not allowed.
■
The parental rating level does not allow playback of the video. For more
information, see
.
■
A disc is not playable.
Supported disc types
This DVD player can play only the discs bearing either the
or
marks and CD-R or CD-RW discs recorded with Audio CD or MP3 format.
■
This player cannot play discs (such as CD-ROM or DVD-RAM) other than
those listed above. Playing them may generate noise and damage speakers.
■
This player cannot play CD-Rs and CD-RWs that include unreadable file
formats such as data files.
■
Depending on the disc characteristics or recording condition, some of MP3
discs may not be played back.
■
This player conforms to the NTSC color system for United States and
Canada.