72. Setting up the monitor2.2 Operating the monitorDescription of the control buttons275V8L7 6 25 431Switch monitor’s power ONand OFF.Access the OSD menu.Confirm the OSDadjustment.Adjust the OSD menu.Adjust the brightness level.Change the signal inputsource.Return to previous OSDlevel.SmartImage. There aremultiple selections: FPS,Racing, RTS, Gamer 1,Gamer 2, LowBlue Mode,EasyRead, Off.275V8LA7 6 25 431Switch monitor’s power ONand OFF.Access the OSD menu.Confirm the OSDadjustment.Adjust the OSD menu.Adjust the speaker volume.Change the signal inputsource.Return to previous OSDlevel.SmartImage. There aremultiple selections: FPS,Racing, RTS, Gamer 1,Gamer 2, LowBlue Mode,EasyRead, Off.