Panasonic CF-Y2 Series Reference Manual page 47

DVD-ROM & CD-R/RW Drive
This drive's region code is not set at the time of shipment from the factory. Therefore,
operations will differ depending on the first DVD-Video played.
In the case of a DVD-Video with a specific region code:
The drive will automatically be set with the same region code as the DVD-Video.
In the case of any other DVD-Video:
[Confirm Region] appears. Select region code and select [OK]. Play now begins.
([Confirm Region] may not be displayed for some DVD-Videos. To confirm the current
region code and the number of settings remaining, right-click on the WinDVD screen and
select [Setup] - [Region].)
CAUTION
The region code can be set a total of five times, including the initial setting. Proceed
very carefully, because after the fifth change has been made, the region code set last
is fixed and no further changes can be made.
The user must take responsibility for any trouble that results from illegally changing or
altering the region code.
NOTE
[Confirm Region] will also be displayed if a DVD-Video with one region code is
inserted into a drive for which another region code has already been set.
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