Nextar MA201 2GB Instruction Manual page 9

Language
In [language] interface, use [I<<] button or
[>>I] button to select language, then press
[MODE] button confirm.
Backlight
The user could set OLED lightness duration
to save OLED and power. Using OLED
screen with high lightness duration will short
OLED screen life.
Use [I<<] button or [>>I] button to adjust
time time from 0 to 30seconds.
If 0 is selected, the high lightness is set to
off.
Adjust backlight and use [MODE] button to
confirm.
Notice: without pressing any button, OLED
screen displays low lightness when setting
time is up (the time unit is second).
Power off setting
Operation refers to "backlight" setting.
Off time mode: To set the self-power off time
when the player playback is stopped and no
button is pressed.
If "0" is selected, this function will be
disabled. The
Sleep time mode
To set self-power off time after last key
pressed, regardless of whether the player is
active or stopped. The time unit is minutes.
Screen saver setting
Setting screen saver to save OLED screen
and to spare battery power.

time unit is seconds.