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   Audio  equipment   
 88  PLAYING A  CD  -  
 The MP3 format, an abbreviation of MPEG 1.2 & 2.5  Audio 
Layer 3, is an audio compression standard which per mits the 
recording of several tens of music files on a singl e disc. 
 MP3 
 In order to be able to play a recorded CDR or CDRW , when 
recording it is preferable to select standards ISO  9660 
level 1.2 or Joliet.  
 If the disc is recorded in another format, it may  not be played 
correctly.  
 It is recommended that the same recording standard  is 
always used for an individual disc, with as low a s peed as 
possible (4x maximum) for optimum sound quality.  
 In the particular case of a multi-session CD, the  Joliet 
standard is recommended.  
 The audio equipment will only play files with the  extension 
".mp3" with a sampling rate of 22.05 KHz or 44.1 KH z.
No other type of file (.wma, .mp4, m3u...) can be p layed. 
 It is advisable to restrict file names to 20 chara cters without 
using special characters (e.g.: " " ? ; ù) to avoid  any playing 
or displaying problems. 
PLAYING AN  MP3  CD 
  Insert circular compact discs only. Some  
anti-pirating systems, on original discs or 
CDs copied using a personal recorder, 
 m a y   c a u s e   f a u l t s   w h i c h   a r e   n o   r e fl   e c t i o n  
on the quality of the original player. 
 Insert a CD or an MP3 CD in the player, play begin s 
automatically. 
 If the player already contains a disc, 
switch on the audio equipment and 
press the CD source button briefly.  
 The last track played begins.  
 Press one of the buttons to select a  
track on the CD.    
         
        
         89
4
TECHNOLOGY ON BOARD 
  Introduction  
 KEY 
 Indicates that a maintained press is required to start the action described.  
  Voice mode   Press the control to start the voice recognition,  an audible signal confirms that the function has be en activated, do not speak until 
you hear this signal. 
 For further information regarding the voice comman ds, say "Help" or refer to the tables at the end of this document.  
 INTRODUCTION 
 This equipment chiefly enables you to:  
   -   connect your Bluetooth®
 mobile telephone to your vehicle leaving your hand s free, 
  -   play audio sources (mp3, wma, wav) from a port able player, 
  -   use the voice commands.  
  Recommendations 
 If the battery is disconnected, the equipment can  operate for a further 15 minutes 
(approximately).  
 The buttons "F1, F2, NAV, SOS" on the equipment's  control panel are not active.   
 HANDS-FREE  SYSTEM