Sony DVP-FX1021 - Manual (Page 12)

This Player Can Play the Following Discs (continued)
12
Region code
Your player has a region code printed on the back of
the unit and only will play DVD VIDEO discs
(playback only) labeled with identical region codes.
This system is used to protect copyrights.
DVDs labeled will also play on this player.
If you try to play any other DVD, the message
“Check Regional Code” will appear on the LCD
screen. Depending on the DVD, no region code
indication may be labeled even though playing the
DVD is prohibited by area restrictions.
ALL
Region code