The brightness of the USBC-PDMON’s display can be adjusted by using two physical buttons on the right-hand side of the unit with icons of the sun printed above them.

Pressing and releasing the button located underneath the ‘solid sun’ once will increase the brightness. Press and release the button again to continue increasing the brightness.      

Pressing and releasing the button located underneath the ‘hollow sun’ once will decrease the brightness. Press and release the button again to continue decreasing the brightness.