Sony DAV-DX150 - Manual (Page 23)

Getting Star
ted
23 GB
If the color system of the TV is PAL
To set the system to PAL from NTSC, turn on the system by pressing "/1 while pressing X on the
system.
You need to hold X until the set powers on.
To reset to NTSC, turn off the system and then turn on again by pressing "/1 while pressing and
holding X on the system.
If the color system of the TV is NTSC
Do the same operation above to set the system to NTSC from PAL.