156
4-6. Tips for operating the audio/visual system
LS500_LS500h_Navi_OM50F66U_(U)
8 hierarchies.
■ MP3
MP3 is an audio compression stan-
dard determined by a working
group (MPEG) of the ISO (Interna-
tional Standard Organization). MP3
compresses audio data to about
1/10 the size of that on conventional
discs.
■ WMA
WMA (Windows Media Audio) is
an audio compression format devel-
oped by Microsoft
®
. It compresses
files into a size smaller than that of
MP3 files. The decoding formats for
WMA files are Ver. 7, 8 and 9.
This product is protected by certain
intellectual property rights of Micro-
soft Corporation and third parties.
Use or distribution of such technol-
ogy outside of this product is pro-
hibited without a license from
Microsoft or an authorized Micro-
soft subsidiary and third parties.
■ AAC
AAC is short for Advanced Audio
Coding and refers to an audio com-
pression technology standard used
with MPEG2 and MPEG4.
■ CD/DVD
■ USB
Error messages
Message Explanation
“Check Disc”
It indicates that the
disc is dirty, dam-
aged, or it was
inserted upside
down. Clean the
disc or insert it cor-
rectly.
It indicates a disc
which is not playable
is inserted.
“DISC Error”
There is a trouble
inside the system.
Eject the disc.
“Region Code
Error”
It indicates that the
DVD region code is
not set properly.
Message Explanation
“USB Error”
This indicates a
problem in the USB
memory or its con-
nection.
“No music files
found.”
This indicates that
no
MP3/WMA/AAC
files are included in
the USB memory.
“No video files
found.”
This indicates that
no video files are
included in the USB
memory.
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