information, edit and select the playback mode and other operations.
5. Video key: short press the video key to switch to video mode; short press the
video key under the video to turn on/off the screen function.
6. Return key: Short press the return key to return to the previous interface from the
current interface.
7. Number [1-0] key: You can select the track you want to listen to through a single
key and a number combination. In the receiver mode, enter the number and select
the desired audio receiver rate.
8. Previous song • In video and music mode, press the key briefly to switch to the
previous song;
Press for a long time to enter the fast retreat state, and briefly press the key again to
exit the fast retreat state. In the receiver mode, switch to a radio station.
9. Next song > In video and music mode, short press the key to switch to the next
song; long press to enter the fast-forn state, short press the key again to exit the
fast-fork state. In the receiver mode, switch to the next radio station.
10. [MI] Play/Pause button: In MP3 mode, press the key briefly to play and pause the
switch
11. Off/on key: push up to close, push down to open.
12. Headphone jack: Plug in the headphones to enter do not disturb mode.
13. DC 5V charging interface: You can use the charging power cord distributed by
this machine for charging.
IV. Detailed function introduction
1. Bluetooth playback method: After power-on, press up/down on the home screen,
select the Bluetooth icon, and enter Bluetooth mode. The machine will prompt
"Bluetooth is waiting for pairing.", at this time, turn on the Bluetooth of your mobile
phone or computer and search for "SANSUI F51". And after clicking the pairing is
successful, it can be used.
2. How to use FM receiver: After power-on, press the "FM" button briefly to enter
FM. In the audio mode, you can enter the frequency by rotating the modulator and
pressing the number key to select the radio station you want to listen to. You can
also press for a long time. "FM"Key, automatically search for concurrent stations.
After the search is completed, short press the upper/lower song to select the
corresponding radio station.
Note: MW. How to use SW is the same as above
3. How to play video:
Turn on the power or short press the "Video" button to open the home screen.
Insert the USB flash drive or TF card with the video file into the machine. Then select
by short pressing the upper/lower song. "Video" Icon, short press the pause button
to confirm entering the video.