16
2.4.
MP3 player.
Portable SPA system is equipped with MP3 player to play music in MP3 format from
MMC card.
2.4.1.
Turning on the player.
MP3 player works independently from remaining system functions.
button on the
remote controler or
button when a cursor is indicating “Tuner MP3” shall be pushed in to
turn on a player.
or
button shall be pushed in to turn off a player.
Current player state is shown in a radio part of the screen:
- player is turned off,
- player is turned on.
When a player is turned on, a number of MP3 file being currently played, a total number of
MP3 files on MMC card and volume level are displayed in a radio part of the screen.
Figure 12.
Radio part - MP3 player turned on.
When a player is turned on, the first file is always played.
When a player is turned on and a
displayed total number of files is 0, there are no MP3 files on MMC card or MMC card is not
placed.
MP3 files should be stored in a main catalogue of MMC card.
Maximal number of files is
254. Higher number can cause wrong operation of a player. A player correctly reads out
MMC cards with FAT16 file system with or without a partition board. The system is supplied
with MMC card with sample files. Files can be recorded and deleted on the card using a
computer equipped with MMC card scanner.
A player correctly reads out MP3 files of the following parameters:
Maximal sampling frequency (sample rate): 48 kHz.
Maximal bitstream speed (bitstream): 192 kbits/s.
A player can play files of variable bitstream speed.
Volume adjustment and parameter setting is the same as for a radio receiver.
2.4.2.
Change of file.
Number of a file to be played can be selected by
buttons, when the screen is in a
working mode (cursor position is not important). Number of a file to be played can also be
selected by
buttons, when a cursor is indicating a played file and a total file number.
Figure 13. Change of file.
File being
currently
played
Total number
of files
Volume
level
or
change of file
Summary of Contents for Portable SPA Classic
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