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2. Short press "MODE" button again to confirm and enter into submenu;
3. Short press "NEXT/LAST" button to choose "Manual Mode" or "Auto Mode";
4. Short press "MODE" button to confirm selection.
Attention: Manual Mode means that you should set Replay Times and Gap manually when playing music; Auto
Mode means A-B replay continually without setting Replay Times and Gap.
2.6.4 Contrast
1. Short press "MODE" button and enter into main menu of system setting, select "Contrast";
2. Short press "MODE" button again to confirm and enter into submenu;
3. Press "NEXT / LAST" button to select level of 1-16, and the contrast will be changed synchronous, but it won’t be saved;
4. Short press "MODE" button to confirm selection, and return to the main menu of system setting.
2.6.5 Language
1. Short press "MODE" button and enter into main menu of system setting, select "Language";
2. Short press "MODE" button again to confirm and enter into submenu;
3. Press "NEXT/LAST" button to select the language of 12 nations;
4. Short press "MODE" button to confirm selection, and return to the main menu of system setting.