User manual

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【 】button to enter. Then use【+】/【-】button or【 】/【 】button to set parameters
and press【 】button to confirm.
2.3.2 Backlight: duration can be set to Close/10 seconds /20 seconds/ 30 seconds/1
minute. The backlight will be on auto off if the units setting is not changed.
Use【+】/【-】button or【
】/【 】button to set and press the【 】button to confirm
setting.
2.4 Auto Lock: time interval can be set Close/ 10 seconds/ 20 seconds/ 30 seconds/ 1
minute before auto lock activates.
Use【+】/【-】button or【
】/【 】button to set and press【 】button to confirm setting.
To unlock, long press【M】button until lock icon disappears.
2.5 System tools
2.5.1 Delete( delete music files): use【+】/【-】button or【
】/【 】button to select Delete
and press【 】button to enter, then use【
】/【 】 button to move cursor to a music
file, pressing【 】button will delete the selected file. But if
icon is highlighted, pressing
【 】button will return to previous menu.
2.5.2 Format: Use【+】/【-】button or【
】/【 】button to select Format and press the