
III.
Functional Operations and Features
1.
LED Screen
2.
Master Volume: In MP3/FM/AUX mode, use it to regulate volume output from the speaker.
3.
TF Port: Read audio files in MP3 format in TF card in capacity up to 32G (FAT32).
4.
USB Port: Read audio files in MP3 format in USB storage device in capacity up to 32G
(FAT32).
5.
: In FM receiving status, short press it to select the previous channel after a full station
search has been executed.
6.
:In USB/TF card reading status, short press it to play/pause, or long press it to select one of
two playback sequencing modes (All - play all tracks in sequence; ONE - repeat one track). In FM
receiving status, long press it to execute a full search (it is recommended to execute at least one full
search before using radio receiving function. All founded stations will be saved even in power-off).
In AUX input / FM radio status, short press it to toggle between mute and normal volume.
7.
: In USB/TF card reading status, short press it to go to the previous track. In FM receiving
status, short press it to select the next channel after a full station search has been executed.
8.
Mode/SHIFT: short press it to toggle between USB/TF and FM receiving modes. long press it
to toggle between recording folder and MP3 folder.
9.
Recording/DEL: Short press it to enable recording (USB/TF storage device need be connected
first). During recording, reverberation should be tuned to the minimum. Long press it to delete a
recording file. Recording in AUX or FM mode is available.
10.
EAR MIC: headphone/MIC Port
11.
LINE IN: External sound source input port (plug-and-play).