OP-Z, can the LEDs intensity be reduced? September 26, 2019 13:36 no, this is not possible. Related articles OP-Z - does it sample? OP-Z app, can i turn the HUD off? OP-Z - how can i get started with creating my own graphics / videopak? [video] OP-Z, how do i hook up my unit to a monitor? OP–Z - can i sample a line level signal via the headset jack using an adapter?