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7. GRAPHIC EQUALIZER 
2×5-band equalizer is provided for tone control over each frequency , and for precise high 
quality sound by final tone control. It can control main channel and record 
channel.( 60,250,1K,2K,8KHz ) shelving at +/-12dB. 
8. LCD DISPLAY(There are three states show) 
 a. Machine became the first LCD display screen information are the trademarks of 
products, USB version, and initial system. 
 b. The second message is to remind the screen insert USB disk, or disk is not MP3 
format. 
 c. The third message is the total number of songs in the USB disk, songs of the total 
play time ,play time at present, play/pause/ stop sign, symbol cycle, File Format(M 
refers to the MP3 file format, W refers to the WMA file format), as well as the EQ. 
9. TOUCH BUTTON 
 Four touch keys, which are single cycle / circle of the total, up , play /pause / stop, 
down, EQ option. All of the touch button of this machine are conventional key and 
compound key. 
a. Symbol cycle (A total of 6 cycle model) they are All cycle , random play ,song cycle , 
End the end of the single player , cycle by a player and players here. Through the 
button to switch modes, according to a time switch, LCD display the logo. 
b. Down This is a complex bond, In the state of play, press the button, Will play on a 
song; In the state to suspend or stop, press the button, the current song will be 
re-broadcast; Press the button for a long time, can adjust the LCD backlight 
brightness. 
c. Play /Pause/ Stop This is a Multi-Function control, the press is a player, next it is 
time to pause, then it is stop, while the corresponding LCD display signs. Press for a 
long time, null and void.