yescool SHMCI - Chapter IV System Settings; Language and Library Management; Power, Shutdown, and Information

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Chapter IV System Settings
In the main menu state, press the “ ” or “ ” button to
select the setting menu, press the “MENU” button to enter, There
are : language, update song library, backlight timer, timed
shutdown, information, automatic upgrade, format device , factory
setting menu selection.
1.Language
This machine has multi-language settings, Simplified Chinese,
English and other multi-language options.
2. Update song library
The playlist will be re-updated when you select the Update
Library menu.
3. Backlight timer
The backlight timers are available for 10 seconds, 20 seconds,
and 30 seconds, respectively. When the desired time is selected,
the machine will save power according to the set time.
4. Timed shutdown
Timed shutdown is mandatory for the playback state. Press