Nextar MA933A - Manual (Page 13)

8. SYSTEM SETTINGS
Backlight Set the duration of the backlight after you press any key.
Language Select the language in which the on-screen text is displayed.
Power set Off time - set the length of time after which the player is
turned off automatically when there is no activity.
Sleep time - set the continuous playback time before the
player is turned off automatically.
Contrast Set the contrast between the background and foreground of
the screen.
KeyHoldTime Set an idle time after which the buttons are locked
automatically.
About Display total capacity and used space of the internal memory
Firmware upgrade Upgrade firmware
Firmware version Display the software version number.
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