DVS DVA 150A / DVA 430C / DVD 520A / DVD 560C / VXM-2000 / VXM-2100
Power on player
Wait for the "no disc" message (eject if necessary)
Press "7" "7" "play/pause"
A menu should appear
Use "<"/">" or "^"/"v" to toggle VCD on/off
Press "enter" to access the Region Code selection bar
Use "<"/">" or "^"/"v" to select the Region Code you want
Press "return" or "open/close" to leave the menu