5–23
Interior Features
Audio System
Operating Tips for AAC
AAC stands for Advanced Audio Coding,
which is standardized voice compression
established by the ISO
*1 working group
(MPEG). Audio data can be created and
stored at a higher compression ratio than
MP3.
*1 International Organization for Standardization
CAUTION
This unit plays fi les with the fi le
extension (.aac/.m4a/.mp4 *2 /.wav *2 )
as an AAC fi le. Do not use the AAC fi le
extension for fi les other than AAC fi les.
Otherwise, it could result in noise or a
malfunction.
*2 Type B
y AAC 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.
y 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 “.aac ”,
“.m4a”, “.mp4
*2 ”, or “.wav *2 ” to the end
of the fi le name, and then write it to the
memory.
*2 Type B
Operating Tips for USB device
This unit supports playback of MP3/
WMA/AAC fi les recorded to USB device.
NOTE
y Music data (MP3/WMA/AAC (.aac/.
m4a/.mp4*1 /.wav *1 ) format) stored in
a USB mass-storage class compliant
device (such as USB fl ash memory) can
be played.
y 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.
y A copyright protected WMA/AAC fi le
cannot be played in this unit.
y The order of the music data stored in
the device may differ from the playback
order.
y To prevent loss or damage of stored
data, we recommend that you always
back up your data.
y If a device exceeds the maximum
electric current value of 1,000 mA,
it may not operate or recharge when
connected.
y Do not pull out the USB device while in
the USB mode (only pull it out while in
FM/AM radio or CD mode).
y The device will not operate if the data is
password protected.
*1 Type B
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