Key Function:
1. Mode Button
Press to switch between RADIO/USB/SD-MMC/Aux-In Card mode.
The unit preset is radio mode.
2A. Power Button
Power control: Press to turn on. Press and hold to turn off.
2B. Mute Button
Mute control: While unit is on, press once to temporarily turn off the volume,
press again to recover to the previous volume.
3. Volume / Select Control
In normal mode, use this knob to increase/decrease the volume level.
To access various sound parameters, push the button to cycle through
the following adjustable settings:
VOLUME > BASS > TREBLE > BALANCE > FADER > LOUD > EQ > DX > STEREO
4. 3/RPT Button
In MP3 mode, press to repeat the song.
5. 1/ PAUSE Button
In MP3 mode, press to pause playback, press again to resume playback.
6. 2/INT Button
In MP3 mode, press to listen to the first 10 seconds of each song.
7. 4/RDM Button
In MP3 mode, press to play song randomly.
8. SD/MMC Slot
Insert any SD/MMC card into this slot to play MP3/WMA files.