User's Manual

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3.9.2 Brightness
Press the confirm button to enter the brightness adjustment screen, then adjust the brightness level by
sliding the touch bar or pressing the previous/next button. The brightness level can be selected between 1 and
10.
3.9.3 Screen timeout
Whether M3 is playing or not, the M3's screen will automatically turn off when the accumulated backlight time
is reached without any operation of M3.
Press the confirm button to enter the screen timeout adjustment screen, and change the value by sliding the
touch bar or pressing the previous/next button. The screen time can be set to 30s, 40s, 50s, 60s, 90s, 120s and
ON (“ON” means always stays on and does not automatically turn off the screen).
3.9.4 Idle standby
In the non-playing state (or playback pause, playback stop, etc.), the player automatically enters the deep
standby state at the moment no operation is performed on the player reaches the idle standby setting value. The
low consumption electrode can effectively save power and improve the working life of the whole machine;
moreover, in this state, Shortly press the power button (or insert USB cable for charge) to activate M3,M3 will
wake up immediately, and it will memorize and display the previous use status, eliminating Wait for a second
boot.
Shortly press the confirm button to enter the idle standby setting screen, and then adjust the different time
values by sliding the touch bar or pressing the previous/next button. When set to OFF, the function is disabled.
(Note: 1 In the state of recording or computer connection, the idle standby is invalid;
2 In the case of USB charging, after the idle standby’ gets effect,M3 will power off )
3.9.5 Sleep
Whether M3 is playing or not, even the player has been operated all the time, when the function is turned on,
the player will enter the deep standby state when the sleep standby set value time reaches.
Press the confirm button to enter the sleep standby setting screen, then adjust the different time values
  by sliding the touch bar or pressing the previous/next button. When set to OFF, this function is disabled.
(Note: 1 Sleep is invalid during recording and computer connection;
2 In the case of connecting USB charging, when sleep time reaches ,M3 will power off,charging screen will
appear;
3 After the sleep is turned on, the status bar has a corresponding icon indication;
4 Sleep is the same as Idle standby. But the condition they take effect are different. The sleep is only valid once,
when the player restarts or the player enters standby (including Idle standby or sleep ). The sleepis automatically
switched to the off state. )
3.9.6 USB mode
Select the USB mode and press the confirm button to switch between the storage and DAC modes. When
the storage mode is selected, data can be transmitted from a computer by the USB cable. When the DAC mode is
selected, the M3 can be connected to the computer through the USB cable to perform audio decoding as an