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Instruction Manual MP3 F820 PLUS Player/FM Tuner
Page 22 of 23
Step 2: Press to choose the
“SN” option to see the serial
number.
Note: The SN of the software refers to the machine.
4.10 FORMAT
Step 1: Press to enter the
menu selection.
Step 2: Press to choose the
“FORMAT” option.
Note: All files in this player will be removed by force.
4.11 DEFAULTS
Step 1: Press to enter menu
selection.
Step 2: Press to choose the
“DEFAULTS” option.
Note: All settings will revert back to the player’s default settings..
SAFETY
1、 Listening to the player on high volume for extended periods of time may result in
permanent or temporary hearing loss.
2、 Please do not dismantle or install the product by yourself.
3、 Because of the internal Li battery, please do not put the product into or near fire, or place
it in an environment of high temperature for extended periods of time. Doing so may
result in damage to the battery.
4、 Do not use the earphones while driving, cycling, or operating any motorized vehicle.
Doing so may create a traffic hazard and is illegal in some areas.
TROUBLESHOOTING
Probelm Solution
The player is unable to play
music and the characters on the
--Please charge the player before use.