Sony CDX GT420U Operating Instructions - Page 15
Maintenance - installation
UPC - 027242723672
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• When naming an MP3 file, be sure to add the file extension ".mp3" to the file name. • During playback or fast-forward/reverse of a VBR (variable bit rate) MP3 file, elapsed playing time may not display accurately. Note If you play a high-bit-rate MP3, such as 320 kbps, sound may be intermittent. About WMA files • WMA, which stands for Windows Media Audio, is a music file compression format standard. It compresses audio CD data to approximately 1/22* of its original size. • WMA tag is 63 characters. • When naming a WMA file, be sure to add the file extension ".wma" to the file name. • During playback or fast-forward/reverse of a VBR (variable bit rate) WMA file, elapsed playing time may not display accurately. * only for 64 kbps Note Playback of the following WMA files is not supported. - lossless compression About AAC files • AAC, which stands for Advanced Audio Coding, is a music file compression format standard. It compresses audio CD data to approximately 1/11* of its original size. • AAC tag is 126 characters. • When naming an AAC file, be sure to add the file extension ".m4a" to the file name. • During playback or fast-forward/reverse of a VBR (variable bit rate) AAC file, elapsed playing time may not display accurately. * only for 128 kbps Note Playback of the following AAC files is not supported. - lossless compression - copyright-protected About ATRAC files ATRAC3plus format ATRAC3, which stands for Adaptive Transform Acoustic Coding3, is audio compression technology. It compresses audio CD data to approximately 1/10 of its original size. ATRAC3plus, which is an extended format of ATRAC3, compresses the audio CD data to approximately 1/20 of its original size. The unit accepts both ATRAC3 and ATRAC3plus format. The characters for text information written by SonicStage are displayed. If you have any questions or problems concerning your unit that are not covered in this manual, consult your nearest Sony dealer. Maintenance Replacing the lithium battery of the card remote commander Under normal conditions, the battery will last approximately 1 year. (The service life may be shorter, depending on the conditions of use.) When the battery becomes weak, the range of the card remote commander becomes shorter. Replace the battery with a new CR2025 lithium battery. Use of any other battery may present a risk of fire or explosion. + side up 2c 1 Notes on the lithium battery • Keep the lithium battery out of the reach of children. Should the battery be swallowed, immediately consult a doctor. • Wipe the battery with a dry cloth to assure a good contact. • Be sure to observe the correct polarity when installing the battery. • Do not hold the battery with metallic tweezers, otherwise a short-circuit may occur. WARNING Battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire. Fuse replacement When replacing the fuse, be sure to use one matching the amperage rating stated on the original fuse. If the fuse blows, check the power connection and replace the fuse. If the fuse blows again after replacement, there may be an internal malfunction. In such a case, consult your nearest Sony dealer. Fuse (10 A) continue to next page t 15