Mazda 2 2015 Owner's Manual page 327

Interior Features
Audio System
Region code
DVD players and discs are assigned codes
for each market region and only discs
manufactured for that specifi c region can
be played.
A disc cannot be played if the region code
assigned to the player is not indicated on
the disc.
In addition, even if a region code is not
indicated on the disc, disc playback may
be prohibited depending on the region. In
this case, a disc may not be playable in
this DVD player.
Operating Tips for OGG
OGG is the audio compression format for
Xiph. Org Foundation.
Audio data can be created and stored at a
higher compression ratio than MP3.
This unit plays fi les with the extension
(.ogg) as OGG fi les.
CAUTION
Do not use an audio fi le extension on
fi les other than audio fi les. In addition,
do not change the audio fi le extension.
Otherwise, the unit will not recognise
the fi le correctly resulting in noise or a
malfunction.
OGG fi les written under specifi cations
other than the indicated specifi cation
may not play normally or fi les or folder
names may not display correctly.
The fi le extension may not be provided
depending on the computer operating
system, version, software, or settings. In
this case, add the fi le extension ".ogg" to
the end of the fi le name, and then write
it to the disc.
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Operating Tips for USB device
This unit plays audio fi les as follows:
Extension
.mp3
.wma
.aac
.m4a
*1
.wav
*1
.ogg
*1 Type C/Type D
CAUTION
Do not use an audio fi le extension on
fi les other than audio fi les. In addition,
do not change the audio fi le extension.
Otherwise, the unit will not recognise
the fi le correctly resulting in noise or a
malfunction.
NOTE
Playback may not be possible
depending on the type and condition
of the USB fl ash memory even if the
audio fi le complies with the standard
above.
A copyright protected WMA/AAC
fi le cannot be played in this unit.
The order of the music data stored
in the device may differ from the
playback order.
To prevent loss or damage of stored
data, we recommend that you always
back up your data.
Playback with this unit
MP3
WMA
AAC
OGG