1. STANDBY: Standby ON/OFF
key.
2. 0~9 NUMERIC KEYS: These keys are used to
play a track directly in USB source mode.
E.g.: To play 12th track in the USB playlist
press the numeric key "1" followed by "2."
3. VOL-: To decrease the volume.
4. /CH-: Play the previous song by pressing
“/CH-” at USB/BT input mode. Choose the
previous channel by pressing “/CH-” at
FM input mode.
5. : Play/Pause in USB/BT mode. In FM
mode, press for automatic search.
6. /TU-: Fast rewind a song by pressing
" /TU-" at USB input mode. Choose tuning
channel by pressing " /TU-" at FM input
mode.
7. /TU+: Fast forward song by pressing
" /TU+" at USB input mode. Choose tuning
channel by pressing " /TU+" at FM input
mode.
8. /CH+: Play the next song by pressing
" /CH+" at USB/BT input mode. Choose
the next channel by pressing " /CH+" at
FM input mode.
9. VOL+: To increase the volume.
10. MUTE: Press to toggle the volume mute
ON/OFF.
11. REPEAT: Choose repeat mode by pressing
"REPEAT" at the USB input mode.
12. SOURCE: Press this key to change the source
between USB, BT, FM, LINE.