3.5mm audio out port:
Connect external speakers, headphones or digital audio equipment
ESC/Power Button:
1. Click the ESC/Power Button, and the signal will be displayed in the upper
right corner of the screen.
2. Click the button to exit the menu.
3. Long press the button for three seconds to turn off/on.
+/Volume Shortcut:
1. Click to display the sound progress bar. Continue to long press to increase volume.
2. Move the key up in the menu.
Menu/Confirm Button:
1. Menu
2. After pressing the menu, its function is "confirm".
-/Brightness Shortcut:
1. Click to display the brightness progress bar. Continue to long press to reduce brightness.
2. Move the key down in the menu.
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