19.Instructions for Settings->Display

Sample rate display

With it turned on, the sample rate of the currently playing song will be displayed.

Dark theme

With it turned on, the theme will switch from the default white theme to a dark theme.

Brightness level

Adjusting the brightness of the M21.

Indicator light control

Working: while working, two states can be set: constantly on and off

On/off with the display: After enabling it, the indicator will on on off synchronously with the screen

Indicator colour setting instruction:

Night light

The color of the display screen will be adjusted in amber under Night light mode. You could enable the Night light mode at a custom time , or from sunset to sunrise.

Screen timeout

Consistent with the screen saver time. Adding this option to make it easier for users to adjust the time.

Font size

Customize the font size according to your preference.

Display size

Make the items on your screen smaller or larger according to your preference.

Screen saver

You can choose our customized screen saver or system screen saver for M21.

Lock screen

Setting the content to be displayed when the screen is locked