How to Adjust Screen Display Brightness？

Please follow the steps below to adjust the brightness:

Step 1: Rotate the power button on the side clockwise to turn on the Soundbyte;

Step 2: Press and hold the "MENU/OK" button to enter the system settings; click the "Next Track / Channel" button to select "Contrast" on the screen, then click "MENU/OK" to confirm; you will see "Contrast 10(default setting)" on the screen.

Step 3: Press the "Previous Track / Channel" button if you want to decrease the display brightness; the minimum brightness is 0. Press the "Next Track / Channel" button if you want to increase the display brightness; the maximum brightness is 20.