Menu gives you access to the MUSIC, RADIO, RECORD, VIDEO, PHOTO,
Modes.
File Navigation
zPress and Hold the “Menu Switch” inwards (MENU) 
in the MUSIC, RECORD, VIDEO, PHOTO, or
Make an Audio Recording
zPress and Hold the 
for more than 2 seconds in any mode except the RADIO Mode will activate the T.sonic™ 840’s
zPress and Hold the 
for more than 2 seconds during a recording to stop the recording.
zRecorded audio files are saved in the RECORD Mode.
Repeat/Shuffle Functions
Normal, Repeat One, Repeat All, or Shuffle a track and Normal/Repeat/Shuffle tracks in a Folder, Please see the “REPEAT Mode” in the Settings section for detailed instructions.
A-B Repeat: Repeat a Section of a Track
zIn the MUSIC, or RECORD Modes’, press the 
once to mark the beginning of the track you wish to repeat.
zPress the 
again to mark the end of the section of the track you wish to repeat.
zThe marked section of the track is played as a continuous loop when playing an MP3, WMA,
zPress the 
for a third time to stop the track repeating.
Lock
When the “LOCK” switch 
is set to the “ON” position, all of the T.sonic™ 840’s buttons are
disabled.
Reset the T.sonic™ 840
You can Reset the unit by pressing the “Reset” button 
for 3 to 5 seconds.