3.Push the “Menu Switch” down (Next) 
or up (Previous) 
to select a desired MP3/WMA, or
4.Press the “PLAY / PAUSE / POWER 
to play the MP3/WMA, or
T.sonic™ 840 only supports Mpeg I Layer 3 and WMA files compressed at a rate between 32Kbps – 320Kbps.
File Navigator Mode
The File Navigator is a fast and convenient way of moving between tracks, files and folders.
1.Press and Hold the “Menu Switch” inwards (MENU) 
to enter the Navigator.
2.Push the “Menu Switch” down (Next) 
or up (Previous) 
to select a folder.
3.Press the “Menu Switch” inwards (MENU) 
to enter a folder, push the “Menu Switch” down
(Next) 
or up (Previous) 
to select a file and press the “PLAY / PAUSE / POWER
to play a selected music file.
4.Pushing the “Menu Switch” up (Previous) 
and selecting the top entry 
will move you up one folder level.
5.Repeating the previous operation will take you back to the root directory [/Root.DIR/] (top folder level).